80+ Mangalam Cement Interview Questions and Answers

Potential risks in repair and maintenance work include electrical hazards, falls, exposure to hazardous substances, and equipment malfunctions.

• Electrical hazards: Working with live wires or faulty electrical systems can lead to electric shocks or fires.

• Falls: Working at heights or on unstable surfaces can result in slips, trips, or falls.

• Exposure to hazardous substances: Repairing or maintaining equipment may involve handling chemicals, gases, or toxic materials.

• Equipment mal...read more

The OLTC (On-Load Tap Changer) in a transformer is typically connected to the high voltage side.

• OLTC is connected to the high voltage winding of the transformer

• It allows for tap changing while the transformer is energized

• The low voltage side remains fixed while the high voltage side can be adjusted

My strengths include strong leadership skills, excellent communication, and strategic thinking.

• I have a proven track record of leading successful teams and achieving goals.

• My communication skills allow me to effectively convey ideas and motivate team members.

• I am able to think strategically and develop plans to achieve long-term goals.

• For example, in my previous role as a manager, I implemented a new sales strategy that resulted in a 20% increase in revenue.

• By leveraging my s...read more

I would tailor my pitch to highlight the specific benefits and features of the machine that align with the customer's needs and goals.

• Understand the customer's industry and specific needs before pitching the machine.

• Highlight how the machine can solve the customer's pain points or improve their processes.

• Demonstrate the machine's features and capabilities through live demos or case studies.

• Tailor the pitch to address the customer's concerns and objections.

• Emphasize the long-t...read more

Ten delta test is used to detect winding deformation and shorted turns in transformer.

• Detects winding deformation and shorted turns

• Helps in identifying internal faults

• Used for routine maintenance and troubleshooting

I am committed to growing and developing within the company, and am open to discussing a longer-term agreement.

• I am dedicated to my career growth and see potential for long-term development within the company.

• I am open to discussing a longer-term agreement to show my commitment.

• I believe in building strong relationships with colleagues and clients, which will help me stay motivated and engaged in my role.

Gear Box selection depends on factors like torque, speed, power, and application requirements.

• Consider the torque and speed requirements of the application

• Determine the power needed to drive the gearbox

• Choose a gearbox with the appropriate gear ratio for the application

• Consider the environment and operating conditions

• Evaluate the cost and availability of the gearbox

• Example: For heavy-duty applications, a planetary gearbox may be suitable

• Example: For high-speed applications, a...read more

Quality of durability, compatibility, and performance are important in a backhoe loader spare part.

• Durability ensures the part lasts long and can withstand wear and tear.

• Compatibility ensures the part fits perfectly with the machine.

• Performance ensures the part functions efficiently and effectively.

• Examples include hydraulic cylinders, engine parts, and transmission components.

Bukolze relays are used in electrical engineering for their high reliability and ability to handle high voltage and current.

• Bukolze relays are known for their robustness and durability.

• They are commonly used in power distribution systems and industrial applications.

• These relays can handle high voltage and current levels, making them suitable for heavy-duty operations.

• They provide reliable switching and protection in electrical circuits.

• Bukolze relays are designed to withstand...read more

UV Coil provides protection against over voltage and under voltage.

• UV Coil is a device used in electrical systems to protect against voltage fluctuations.

• It monitors the voltage levels and activates when the voltage exceeds or falls below the specified limits.

• When the voltage exceeds the upper limit, the UV Coil disconnects the power supply to prevent damage to the equipment.

• Similarly, when the voltage falls below the lower limit, the UV Coil interrupts the power supply to av...read more

Establishing quality control on a new line involves setting standards, implementing processes, and monitoring performance.

• Define quality standards for the new line

• Implement quality control processes such as regular inspections and testing

• Train staff on quality control procedures

• Monitor performance and address any issues promptly

• Use quality control tools like checklists and statistical process control

• Regularly review and update quality control measures

Maintenance and repair workers are responsible for fixing and maintaining equipment and machinery.

• Performing routine maintenance on equipment and machinery

• Diagnosing and repairing mechanical, electrical, and hydraulic issues

• Replacing faulty parts and components

• Maintaining and repairing building systems such as HVAC and plumbing

• Keeping accurate records of maintenance and repairs

• Following safety procedures and regulations

• Working with hand and power tools

• Communicating with other...read more

VHDL is a hardware description language used to model and simulate digital systems.

• VHDL stands for Very High-Speed Integrated Circuit Hardware Description Language

• It is used to describe the behavior of digital systems and circuits

• VHDL is commonly used in the design and verification of electronic systems

• It allows for simulation and synthesis of digital circuits

• Example: Writing code to describe the functionality of a digital clock using VHDL

Backhoe loaders are versatile machines used for digging, excavation, and construction work.

• Backhoe loaders have a digging bucket on the front and a smaller bucket on the back for excavation work.

• They are commonly used in construction, agriculture, and landscaping industries.

• Some popular brands of backhoe loaders include Caterpillar, John Deere, and JCB.

• Backhoe loaders are known for their versatility and ability to perform multiple tasks on a job site.

• They are often used for d...read more

SCADA is a system used for monitoring and controlling industrial processes.

• SCADA stands for Supervisory Control and Data Acquisition

• It is used in industries to monitor and control processes such as manufacturing, production, power generation, etc.

• SCADA systems consist of sensors, controllers, and a human-machine interface (HMI)

• Data is collected from sensors, processed by controllers, and displayed on the HMI for operators to monitor and control

• Examples of SCADA applications i...read more

Explosion vent in transformer is used for safety purposes.

• It helps to release pressure build-up inside the transformer due to internal faults or external factors.

• It prevents the transformer from exploding and causing damage to the surrounding area.

• The vent is designed to open at a specific pressure level to ensure safe release of gases.

• It is a mandatory safety feature in transformers as per industry standards.

• Examples of external factors that can cause pressure build-up inclu...read more

ISO is a generic standard for quality management while IATF is a specific standard for automotive industry.

• ISO 9001 is a widely recognized standard for quality management in various industries

• IATF 16949 is a specific standard for quality management in the automotive industry

• IATF includes additional requirements specific to the automotive industry such as customer-specific requirements and product safety

• IATF also requires compliance with ISO 9001

• Both standards focus on continu...read more

To become a general maintenance worker, one can start by obtaining a high school diploma or GED and gaining experience through on-the-job training or vocational school.

• Obtain a high school diploma or GED

• Gain experience through on-the-job training or vocational school

• Develop skills in areas such as plumbing, electrical work, carpentry, and HVAC

• Obtain certifications in relevant areas such as OSHA safety, welding, or refrigeration

• Stay up-to-date with industry developments and ne...read more

Yes, OLTC is always connected in the HT voltage side.

• OLTC stands for On-Load Tap Changer.

• It is a device used in electrical power transformers to regulate the voltage level.

• OLTC is typically connected on the high voltage (HT) side of the transformer.

• It allows for tap changing while the transformer is energized and under load.

• By changing the tap position, the OLTC can adjust the transformer's output voltage.

• This helps to compensate for variations in the input voltage or load co...read more

QA focuses on preventing defects while QC focuses on identifying and correcting defects.

• QA involves the process of ensuring that the product meets the specified requirements and standards.

• QC involves the process of identifying defects in the product and correcting them.

• QA is a proactive approach while QC is a reactive approach.

• QA is a preventive measure while QC is a corrective measure.

• Example of QA: Reviewing requirements, creating test plans, and conducting code reviews.

• Exa...read more

PLC is a digital computer used for automation of electromechanical processes in industries.

• PLC is used to control machinery on factory assembly lines, amusement rides, or lighting fixtures.

• It uses a programmable memory to store instructions and specific functions.

• PLCs are designed for multiple input and output arrangements, extended temperature ranges, immunity to electrical noise, and resistance to vibration and impact.

• They are programmed using specialized software, often ba...read more

Star delta is used in electrical engineering to reduce starting current and protect motors.

• Star delta connection is used for induction motors.

• It reduces the starting current by a factor of √3.

• It helps in reducing voltage drop during motor starting.

• It protects the motor from excessive current and overheating.

• It is commonly used in applications where the motor needs to start with a low current.

CEV vehicles typically adhere to the EN 1789 standard for ambulances.

• CEV vehicles often follow the EN 1789 standard for ambulances

• EN 1789 specifies requirements for medical vehicles such as ambulances

• The standard covers aspects like vehicle design, equipment, and safety features

UV coil is a component used in HVAC systems to disinfect air by emitting ultraviolet light.

• UV coil is installed in the air handling unit of HVAC systems.

• It emits ultraviolet light to kill or deactivate microorganisms like bacteria, viruses, and mold spores.

• UV light damages the DNA and RNA of these microorganisms, preventing them from reproducing.

• UV coil helps improve indoor air quality by reducing the presence of harmful pathogens.

• Regular maintenance and cleaning of UV coil a...read more

I have experience with various technical software including CAD, statistical analysis tools, and quality management systems.

• Proficient in CAD software such as SolidWorks and AutoCAD

• Familiar with statistical analysis tools like Minitab and JMP

• Experience with quality management systems like ISO 9001 and AS9100

• Knowledge of programming languages like Python and MATLAB

• Familiarity with Microsoft Office Suite and Google Suite

The process of work involves planning, designing, implementing, testing, and deploying engineering solutions. Standards such as ISO, ASME, and IEEE are commonly used.

• Planning: Define project scope, requirements, and objectives.

• Designing: Create detailed technical designs and specifications.

• Implementing: Develop the solution using appropriate tools and technologies.

• Testing: Conduct thorough testing to ensure functionality and quality.

• Deploying: Roll out the solution to product...read more

Yes, I have technical certifications in various programming languages and have used over 10 development tools.

• Certifications in Java, Python, and C++

• Experience with IDEs such as Eclipse, Visual Studio, and PyCharm

• Familiarity with version control systems like Git and SVN

• Proficiency in database management tools like MySQL and MongoDB

Changing jobs immediately requires careful planning and preparation.

• Assess your current job situation and identify reasons for leaving

• Update your resume and cover letter

• Network with industry professionals and attend job fairs

• Prepare for interviews and practice answering common questions

• Negotiate salary and benefits before accepting a new job offer

My goal in JCB is to contribute to the growth and success of the company while developing my skills and advancing my career.

• To work collaboratively with the team to achieve company goals

• To continuously learn and improve my skills

• To take on new challenges and responsibilities

• To build strong relationships with clients and stakeholders

• To strive for excellence in all aspects of my work

Quality is meeting or exceeding customer expectations through consistent and reliable products or services.

• Quality is a measure of how well a product or service meets customer needs and expectations.

• It involves consistent and reliable performance, meeting specifications and standards.

• Quality is achieved through effective planning, control, and improvement processes.

• Examples of quality include products that are durable, reliable, and perform as expected, and services that are ...read more

Joseph Cyril Bamford

• JCB stands for Joseph Cyril Bamford, the founder of the construction equipment company JCB.

• Joseph Cyril Bamford started the company in 1945 in England.

• JCB is known for manufacturing construction, agriculture, waste handling, and demolition equipment.

JCB manufactures a variety of machines including excavators, backhoe loaders, skid steer loaders, telehandlers, and compactors.

• Excavators

• Backhoe loaders

• Skid steer loaders

• Telehandlers

• Compactors

The least count of a Vernier caliper is the smallest measurement that can be accurately read.

• The least count is determined by the number of divisions on the main scale and the Vernier scale.

• The formula to calculate the least count is: Least Count = Value of one main scale division / Number of Vernier scale divisions.

• For example, if the main scale has 10 divisions and the Vernier scale has 20 divisions, the least count would be 0.5 mm.

Alternate sourcing is the process of identifying and selecting alternative suppliers for goods or services.

• Identify the need for alternate sourcing

• Research and identify potential alternative suppliers

• Evaluate the potential suppliers based on quality, cost, and delivery

• Negotiate terms and conditions with the selected supplier

• Implement the new sourcing strategy and monitor performance

• Maintain relationships with both primary and alternate suppliers

A 4x4 backhoe loader wheeler is a heavy equipment vehicle used for excavation and construction purposes.

• It has four wheels and is capable of moving on rough terrain

• It has a backhoe attachment for digging and a loader attachment for carrying materials

• It is commonly used in construction sites, roadworks, and agricultural settings

Star delta starter is used to reduce the starting current of induction motors.

• Reduces the starting current of induction motors

• Prevents excessive voltage drop in the power supply

• Protects the motor windings from overheating

• Allows for smooth and controlled motor starting

• Commonly used in applications where high starting torque is not required

Quality control can be achieved through implementing strict processes, conducting regular inspections, providing training to employees, and utilizing technology.

• Implementing strict processes to ensure consistency and adherence to standards

• Conducting regular inspections to identify and address any issues or deviations

• Providing training to employees on quality standards and procedures

• Utilizing technology such as quality control software or automated inspection tools

• Establishing...read more

Handling manpower involves effective communication, delegation, motivation, and conflict resolution.

• Communicate clearly with team members to ensure understanding of tasks and expectations.

• Delegate tasks based on individual strengths and skills to optimize productivity.

• Motivate employees through recognition, rewards, and opportunities for growth.

• Resolve conflicts promptly and fairly to maintain a positive work environment.

• Provide training and development opportunities to enhan...read more

Negative current is the flow of electrons in the opposite direction of conventional current, while positive current is the flow of electrons in the same direction as conventional current.

• Negative current involves the movement of electrons from the negative terminal to the positive terminal of a power source.

• Positive current involves the movement of electrons from the positive terminal to the negative terminal of a power source.

• In a circuit, negative current is represented by ...read more

The types of motors used in hoists and conveyors include AC motors, DC motors, and hydraulic motors.

• AC motors are commonly used in hoists and conveyors for their ability to provide constant speed and torque.

• DC motors are also used for their precise speed control and high starting torque.

• Hydraulic motors are used in heavy-duty applications where high torque is required.

• Examples of motors used in hoists and conveyors include induction motors, synchronous motors, brushed DC moto...read more

Maintenance work involves following a structured process to ensure equipment and facilities are functioning properly.

• Create a maintenance schedule to regularly inspect and service equipment

• Document all maintenance activities and keep records for future reference

• Prioritize maintenance tasks based on criticality and impact on operations

• Train maintenance staff on proper procedures and safety protocols

• Utilize technology such as CMMS software to streamline maintenance processes

A pump maintenance plan is a comprehensive strategy to ensure the proper functioning and longevity of pumps.

• Regular inspection and cleaning of pumps

• Scheduled maintenance and servicing

• Monitoring performance and efficiency

• Replacing worn-out parts

• Training staff on proper pump operation

• Implementing preventive measures to avoid breakdowns

• Keeping detailed records of maintenance activities

Different types of hardness tests include Rockwell, Brinell, and Vickers.

• Rockwell test measures the depth of penetration of an indenter under a large load.

• Brinell test uses a hard steel or carbide ball to indent the surface of the material.

• Vickers test uses a diamond pyramid to create an impression on the material.

Maintenance of electrical machines and harness is crucial for their optimal performance and longevity.

• Regular cleaning and inspection of machines and harness

• Replacing worn-out or damaged parts

• Lubrication of moving parts

• Testing and calibration of electrical components

• Following manufacturer's guidelines for maintenance

• Keeping records of maintenance activities

• Training personnel on proper maintenance procedures

A fuse is a one-time use device that melts when there is an overload, while an MCB is a reusable device that trips when there is an overload.

• Fuse is a one-time use device, while MCB is reusable

• Fuse needs to be replaced after it melts, MCB can be reset

• Fuse operates on the principle of thermal or electrical melting, MCB operates on the principle of electromagnetism

• Fuse is slower in response time compared to MCB

• Examples: A glass fuse vs a miniature circuit breaker

Fabrication process involves transforming raw materials into finished products through various manufacturing techniques.

• Fabrication process can include cutting, bending, welding, machining, and assembling of materials.

• Examples of fabrication processes include sheet metal fabrication, CNC machining, and 3D printing.

• Quality control measures such as inspections and testing are crucial in ensuring the final product meets specifications.

• Fabrication processes can vary depending on ...read more

The 8085 microcontroller has a 40-pin dual in-line package (DIP) with specific pin configurations for various functions.

• 8085 microcontroller has a 40-pin dual in-line package (DIP)

• Pins 1-20 are for address bus, pins 21-28 are for data bus, pins 29-32 are for control signals, and pins 33-40 are for power and ground

• Pin 40 is the RESET pin, Pin 39 is the READY pin, Pin 38 is the HOLD pin, and Pin 37 is the HLDA pin

Hydraulic knowledge involves understanding the principles and applications of fluid mechanics in systems like hydraulic machinery.

• Understanding Pascal's Law and how it applies to hydraulic systems

• Knowledge of hydraulic components such as pumps, cylinders, valves, and hoses

• Ability to read and interpret hydraulic schematics and diagrams

• Experience with troubleshooting hydraulic systems for leaks, pressure issues, and malfunctions

• Familiarity with hydraulic fluid types and their p...read more

Welding defects can compromise the strength and integrity of welded joints.

• Welding defects can occur due to various factors such as improper welding technique, inadequate preparation, or faulty equipment.

• Common welding defects include porosity, lack of fusion, undercutting, and excessive spatter.

• Porosity refers to the presence of small holes or voids in the weld metal, which can weaken the joint.

• Lack of fusion occurs when the weld metal fails to fuse completely with the base ...read more

Defects in welding refer to imperfections or flaws that occur during the welding process.

• Common welding defects include porosity, undercutting, incomplete fusion, and cracks.

• Porosity is caused by gas pockets trapped in the weld, while undercutting occurs when the base metal is melted away.

• Incomplete fusion happens when the weld metal doesn't fuse properly with the base metal, and cracks can occur due to excessive heat or stress.

• Defects can be prevented by proper preparation, ...read more

My approach involves setting big goals and breaking them down into smaller achievable tasks.

• I believe in setting ambitious goals that push me to strive for excellence

• I break down these goals into smaller, more manageable tasks

• I prioritize these tasks and create a plan to achieve them

• I regularly track my progress and make adjustments as needed

• For example, in my previous role as a Quality Engineer, I set a goal to reduce defects by 50% within six months. I broke this down into ...read more

The density of water is approximately 1 gram per cubic centimeter at 4 degrees Celsius.

• The density of water is 1 g/cm^3 at 4 degrees Celsius.

• Water is most dense at 4 degrees Celsius and its density decreases as it freezes into ice.

• The density of water can vary slightly with temperature and impurities.

Yes

• Yes, I have experience working on a sheet metal line in an automatic plant.

• I am familiar with the processes involved in operating and maintaining automated machinery in a sheet metal production line.

• I have worked with automated stamping machines, robotic welding systems, and CNC machines in an auto manufacturing plant.

• I have a strong understanding of troubleshooting and repairing automated equipment, as well as conducting preventive maintenance.

• I am skilled in reading and ...read more

Linear regression is a statistical method used to find the relationship between two variables by fitting a straight line to the data points.

• Linear regression helps us understand how one variable changes with respect to another variable.

• It is commonly used to make predictions based on historical data.

• The line of best fit minimizes the distance between the actual data points and the predicted values.

• For example, predicting house prices based on square footage is a common applic...read more

PLC stands for Programmable Logic Controller, used in industrial automation to control machinery and processes.

• PLC is a digital computer used for automation of electromechanical processes.

• It uses a programmable memory to store instructions and specific functions.

• PLCs are commonly used in manufacturing plants, assembly lines, and robotic devices.

• They can be programmed using ladder logic, function block diagrams, or structured text.

• PLCs help in improving efficiency, reducing hu...read more

Types of welding include MIG, TIG, stick, and flux-cored. Common defects in welding include porosity, lack of fusion, and cracks.

• Types of welding: MIG, TIG, stick, flux-cored

• Defects in welding: porosity, lack of fusion, cracks

• Porosity: caused by gas entrapment during welding process

• Lack of fusion: incomplete bonding between weld metal and base metal

• Cracks: can occur due to high stress or improper welding technique

Fixed beams have both ends fixed while simple beams have one end fixed and one end free.

• Fixed beams have both ends restrained against rotation and translation.

• Simple beams have one end fixed and one end free to rotate and translate.

• Fixed beams are stiffer and can carry heavier loads compared to simple beams.

• Examples: Fixed beam - cantilever beam, Simple beam - simply supported beam.

PLC can be controlled using various types of programming languages such as ladder logic, function block diagram, structured text, and sequential function chart.

• Ladder Logic: Uses graphical representation of relay logic to control PLC.

• Function Block Diagram: Represents control system as interconnected blocks.

• Structured Text: Similar to high-level programming languages like C.

• Sequential Function Chart: Represents control system as a series of steps or states.

• Instruction List: R...read more

Geometric Dimensioning and Tolerancing (GD&T) is a system for defining and communicating engineering tolerances.

• GD&T is used to specify the allowable variations in form, size, and orientation of part features.

• It uses symbols and annotations to define the relationship between parts and the allowable tolerances.

• Examples of GD&T symbols include concentricity, perpendicularity, and flatness.

• GD&T helps ensure that parts fit together properly and function as intended.

Torque is a measure of the rotational force applied to an object.

• Torque is calculated as the product of force and distance from the axis of rotation.

• It is measured in units of force multiplied by distance (e.g. Newton-meters or foot-pounds).

• Torque is essential in determining the ability of a force to rotate an object.

• Examples of torque include tightening a bolt with a wrench or opening a door by turning the knob.

7 QC tools are a set of basic quality control tools used to identify and solve quality problems.

• The tools include: Pareto chart, cause-and-effect diagram, check sheet, histogram, scatter diagram, control chart, and flowchart.

• They are used to analyze data, identify problems, and develop solutions.

• For example, a Pareto chart can be used to identify the most common causes of defects, while a control chart can be used to monitor a process over time and detect any changes.

• The 7 QC...read more

Certificates of degrees are essential for Research and Development roles.

• Certificates of degrees demonstrate the candidate's educational qualifications and knowledge in their field.

• They provide evidence of the candidate's ability to learn and apply knowledge.

• Certificates of degrees can also indicate specialization or expertise in a specific area.

• Employers often require degrees as a minimum qualification for Research and Development positions.

• Examples of relevant degrees inclu...read more

Vendor evaluation process for MEP involves thorough assessment of vendor's technical capabilities, experience, financial stability, and past performance.

• Identify the scope of work and technical requirements

• Shortlist potential vendors based on their experience and capabilities

• Evaluate vendor's financial stability and legal compliance

• Check vendor's past performance and references

• Conduct site visits and technical evaluations

• Negotiate terms and conditions of the contract

• Monitor v...read more

The company's rules and policies are designed to ensure quality, compliance, and efficiency in all aspects of operations.

• Company rules and policies are in place to maintain quality standards and ensure compliance with regulations.

• Employees are expected to adhere to these rules and policies to promote efficiency and consistency in work processes.

• Examples of company rules may include guidelines for product testing, supplier evaluation criteria, and documentation requirements.

• Po...read more

SFD BMD of cantilever beam refers to Shear Force Diagram and Bending Moment Diagram of a beam supported at one end.

• SFD shows the variation of shear force along the length of the beam.

• BMD shows the variation of bending moment along the length of the beam.

• For a cantilever beam, the shear force is maximum at the fixed end and zero at the free end.

• The bending moment is maximum at the fixed end and zero at the free end.

Frequency is the number of occurrences of a repeating event per unit of time.

• Frequency is measured in Hertz (Hz).

• It is commonly used in electrical engineering to describe the rate at which alternating current changes direction.

• Higher frequency signals can carry more data but may have shorter range.

• Examples of frequency include 50 Hz for power supply in Europe and 60 Hz in the United States.

A capacitor is an electronic component that stores electrical energy in an electric field.

• Capacitors consist of two conductive plates separated by an insulating material called a dielectric.

• Capacitors are commonly used in electronic circuits to store and release electrical energy.

• They are used for filtering, smoothing, timing, tuning, and power factor correction in electrical systems.

• Examples of capacitors include ceramic capacitors, electrolytic capacitors, and tantalum capa...read more

Modal analysis is used to determine the dynamic characteristics of a system or structure.

• Modal analysis helps in understanding the natural frequencies, mode shapes, and damping ratios of a system.

• It is crucial in predicting the behavior of structures under different loading conditions.

• By identifying the dominant modes of vibration, modal analysis aids in optimizing the design of structures to avoid resonance.

• Modal analysis is commonly used in industries like aerospace, automo...read more

Rm & Pm Store relative

• Rm and Pm refer to the terms 'Room' and 'Patient' respectively

• Store relative means the relationship between the room and the patient in terms of storage or allocation

• The question is likely asking about how rooms and patients are related in terms of storage or allocation

A hydraulic circuit is a system that uses fluid to transmit power and control the movement of mechanical components.

• A hydraulic circuit typically consists of a power source, such as a hydraulic pump, which generates fluid flow and pressure.

• The fluid is then directed through various components, such as valves, cylinders, and motors, to perform specific tasks.

• Valves control the flow and direction of the fluid, allowing it to actuate cylinders or drive motors.

• Cylinders convert f...read more