60+ JRD Fibre Composite Interview Questions and Answers

Mechanical seals are used to prevent leakage in rotating equipment. They can be classified into various types based on their design and application.

• Types of mechanical seals include pusher seals, non-pusher seals, cartridge seals, and split seals.

• Pusher seals use springs to maintain contact between the seal faces.

• Non-pusher seals rely on the pressure of the fluid being sealed to maintain contact.

• Cartridge seals are pre-assembled units that can be easily replaced.

• Split seals a...read more

Star-delta power wiring is a method used to reduce starting current in motors, while control wiring is used to control the operation of electrical systems.

• Star-delta power wiring involves connecting a motor in a star configuration during starting to reduce current spikes, then switching to a delta configuration for normal operation.

• Control wiring includes components like switches, relays, and contactors to control the operation of motors, lights, and other electrical systems....read more

Documents in quality management system

• Quality manual

• Standard operating procedures (SOPs)

• Work instructions

• Forms and templates

• Audit reports

• Non-conformance reports

• Corrective and preventive action (CAPA) reports

• Training records

• Risk management documents

• Change control documents

P&L stands for Profit and Loss. It is a financial statement that shows a company's revenues, expenses, and net income or loss over a specific period.

• P&L is also known as an income statement.

• It is used to evaluate a company's financial performance.

• The statement shows the company's revenue, cost of goods sold, gross profit, operating expenses, and net income or loss.

• P&L is important for investors, creditors, and management to make informed decisions.

• Example: A company's P&L sta...read more

To find out a worn bearing number, inspect the bearing for visible signs of wear and refer to the bearing manufacturer's documentation.

• Inspect the bearing for signs of wear such as discoloration, pitting, or scoring on the bearing surface.

• Check for excessive play or looseness in the bearing when it is rotated.

• Refer to the bearing manufacturer's documentation or catalog to identify the bearing number based on its physical characteristics.

• Measure the dimensions of the bearing a...read more

The first thing one needs to do as a storekeeper is to organize and categorize the inventory.

• Create an inventory management system

• Sort and categorize items based on their type, size, or other relevant criteria

• Label shelves and storage areas for easy identification

• Implement a tracking system to monitor stock levels and reorder when necessary

• Ensure proper storage conditions for different items (e.g., temperature control for perishable goods)

• Perform regular stock checks and audi...read more

Alignment of pump and motor involves ensuring proper positioning and parallelism to optimize performance and prevent damage.

• Start by checking the alignment specifications provided by the pump and motor manufacturers.

• Use alignment tools such as dial indicators, laser alignment systems, or reverse indicator method.

• Ensure the pump and motor shafts are clean and free from any debris or damage.

• Check and adjust the motor and pump base plates for proper leveling and alignment.

• Align ...read more

pH and TDS are important parameters to test in water treatment. COD and TSS limits vary depending on the type of water.

• pH measures the acidity or alkalinity of water. Normal water pH is around 7.

• TDS (Total Dissolved Solids) measures the amount of inorganic and organic substances in water. Normal TDS limit for drinking water is 500 ppm.

• COD (Chemical Oxygen Demand) measures the amount of oxygen required to oxidize organic matter in water. COD limit varies depending on the type ...read more

The purpose of a gear box is to transmit and control power between the engine and the wheels or other driven components.

• Transmits power from the engine to the wheels or other driven components

• Provides torque multiplication and speed reduction

• Allows for the selection of different gear ratios to optimize performance

• Enables the vehicle to operate at different speeds and handle various loads

• Protects the engine and drivetrain by absorbing shocks and vibrations

PLC is a digital computer used for automation of electromechanical processes. RLC circuit is a passive circuit consisting of resistor, inductor and capacitor.

• PLC is programmable and can be used to control various processes in industries.

• RLC circuit is used in electronic filters, oscillators, and tuning circuits.

• PLC is a digital device while RLC circuit is an analog circuit.

• PLC is used for automation while RLC circuit is used for signal processing.

• PLC can be reprogrammed while...read more

Maintenance of compressors involves regular inspection, cleaning, lubrication, and replacement of worn-out parts.

• Regular inspection of compressor components such as valves, pistons, and bearings

• Cleaning of air filters, coolers, and intercoolers to prevent clogging

• Lubrication of moving parts to reduce friction and wear

• Replacement of worn-out parts such as belts, hoses, and seals

• Monitoring of compressor performance and adjusting settings as needed

Various chemicals are used in housekeeping for cleaning, disinfecting, and sanitizing purposes.

• Different chemicals serve different purposes such as cleaning, disinfecting, and sanitizing

• Common chemicals used in housekeeping include bleach, ammonia, vinegar, and hydrogen peroxide

• Chemicals should be used according to manufacturer's instructions to ensure safety and effectiveness

Pumps can be classified based on their working principle, design, and application.

• Based on working principle: centrifugal, positive displacement, and jet pumps

• Based on design: single-stage, multi-stage, axial, and mixed flow pumps

• Based on application: water, chemical, slurry, and oil pumps

• Other classifications: reciprocating, rotary, and diaphragm pumps

Pneumatic cylinders use compressed air while hydraulic cylinders use pressurized fluid to generate force.

• Pneumatic cylinders are lighter and cheaper than hydraulic cylinders.

• Hydraulic cylinders can generate more force than pneumatic cylinders.

• Single-acting, double-acting, and telescoping are common types of hydraulic cylinders.

• Diaphragm, bellows, and rodless are common types of pneumatic cylinders.

Process audit is a systematic examination of a process to ensure it is meeting its objectives and requirements.

• Process audit involves reviewing the process flow, documentation, and records to identify areas of improvement.

• It helps to ensure that the process is being followed correctly and consistently.

• Process audit can be conducted internally or externally by a third-party auditor.

• It is important to establish clear audit criteria and standards to ensure consistency and accura...read more

My working area is in wastewater treatment plants. If the STP is imbalanced, I will troubleshoot and adjust the process. To handle functional activity, I will follow standard operating procedures.

• My working area is in wastewater treatment plants

• If the STP is imbalanced, I will troubleshoot and adjust the process

• For example, I will check the pH levels, dissolved oxygen levels, and nutrient levels to determine the cause of the imbalance

• To handle functional activity, I will foll...read more

Seal numbers can be found on the seal itself or in the equipment manual.

• Check the seal itself for any visible numbers or markings.

• Refer to the equipment manual for information on the seal.

• Contact the manufacturer or supplier for assistance in identifying the seal number.

ACB stands for Air Circuit Breaker, which is a type of circuit breaker that operates in the air as an arc extinguishing medium.

• ACB is used to protect electrical circuits from overloads and short circuits by automatically disconnecting the power supply when a fault is detected.

• It consists of a set of contacts that open and close to interrupt the flow of current in the circuit.

• ACBs are commonly used in industrial and commercial applications where high voltage levels are present...read more

A torque spanner is a tool used to apply a specific amount of torque to fasteners.

• A torque spanner is also known as a torque wrench.

• It is commonly used in mechanical maintenance to ensure proper tightening of bolts and nuts.

• Torque spanners have a calibrated scale or digital display to set the desired torque value.

• They provide a clicking sound or visual indicator when the set torque is reached.

• Different types of torque spanners include beam type, click type, dial type, and ele...read more

Solenoid valves are used to control the flow of fluids or gases in mechanical systems.

• Solenoid valves are commonly used in hydraulic and pneumatic systems.

• They can be used to control the flow of water, oil, gas, or air.

• They are often used in HVAC systems to control the flow of refrigerant.

• Solenoid valves can be controlled by electrical signals to open or close the valve.

• They are also used in automatic irrigation systems to control the flow of water to different zones.

I plan to streamline the operation by implementing efficient processes and utilizing technology.

• Conduct a thorough analysis of current processes and identify areas for improvement

• Implement technology solutions such as automated ordering systems and inventory management software

• Train staff on new processes and technology to ensure smooth transition

• Regularly review and adjust processes to ensure continued efficiency

• Establish clear communication channels between departments to a...read more

Calibration procedures for various instruments including air flow, control valves, gate valves, dampers, and nozzle valves.

• Calibration involves comparing the readings of an instrument to a known standard.

• Air flow can be calibrated using a pitot tube or hot wire anemometer.

• Control valves can be calibrated by adjusting the position of the valve stem.

• Gate valves can be calibrated by measuring the torque required to turn the valve.

• Dampers can be calibrated by measuring the angle ...read more

To handle less manpower per day action, prioritize tasks, optimize schedules, and cross-train staff.

• Prioritize tasks based on importance and urgency

• Optimize schedules by adjusting shifts and assigning tasks efficiently

• Cross-train staff to ensure flexibility and coverage

• Implement technology or automation to streamline processes

• Consider outsourcing or hiring temporary staff during peak periods

• Communicate effectively with the team to manage expectations and maintain morale

Data entry involves inputting information into a computer system or database.

• Organize the data to be entered

• Open the data entry software or program

• Enter the data accurately and efficiently

• Verify the entered data for accuracy

• Save or submit the entered data

• Maintain confidentiality and security of the data

Circuit breakers are essential safety devices that protect electrical circuits from overloads and short circuits.

• Circuit breakers automatically cut off power when there is an overload or short circuit to prevent damage to the electrical system.

• They are more convenient and safer than fuses, as they can be easily reset after tripping.

• There are different types of circuit breakers, such as thermal, magnetic, and combination breakers, each serving specific purposes.

• Regular mainten...read more

A transformer is an electrical device that transfers electrical energy between two or more circuits through electromagnetic induction.

• Transformers are used to increase or decrease voltage levels in electrical circuits.

• They consist of two coils of wire, known as the primary and secondary coils.

• The primary coil is connected to a power source, while the secondary coil is connected to the load.

• The changing magnetic field in the primary coil induces a voltage in the secondary coil...read more

Transformer safety refers to measures taken to prevent accidents and ensure the proper functioning of transformers.

• Regular maintenance checks to identify any potential issues

• Proper grounding to prevent electrical shocks

• Using protective equipment when working with transformers

• Following safety guidelines and protocols

• Installing safety devices such as pressure relief valves

• Training employees on safe handling and operation of transformers

An HVAC system is a system that provides heating, ventilation, and air conditioning to a building or space.

• HVAC stands for Heating, Ventilation, and Air Conditioning

• It helps regulate temperature, humidity, and air quality in a building

• Examples of HVAC systems include furnaces, air conditioners, and ventilation systems

A hydraulic system is a technology that uses pressurized fluid to transmit power and energy.

• Hydraulic systems use a fluid, usually oil, to transmit power.

• The fluid is pressurized by a pump and then sent through hoses and pipes to actuators.

• Actuators can be cylinders or motors that convert the fluid pressure into mechanical force.

• Hydraulic systems are used in heavy machinery, such as excavators and cranes, as well as in aircraft and automobiles.

• Maintenance of hydraulic systems...read more

Facilities industry is crucial for providing necessary infrastructure and services for businesses and individuals.

• Facilities industry includes a wide range of services such as building maintenance, security, cleaning, and catering.

• It plays a vital role in ensuring the smooth functioning of businesses and organizations.

• Facilities management is becoming increasingly important in the current pandemic situation to ensure the safety and well-being of employees and customers.

• Exampl...read more

Force is a push or pull acting upon an object, measured in Newtons (N).

• Force is a vector quantity, meaning it has both magnitude and direction.

• The unit of force is the Newton (N), named after Sir Isaac Newton.

• 1 Newton is the force required to accelerate a 1 kilogram mass at a rate of 1 meter per second squared.

• Examples of forces include gravity, friction, tension, and applied forces.

• Force can cause objects to move, change direction, or deform.

A boiler is a closed vessel in which water or other fluid is heated. Types include fire-tube, water-tube, and electric boilers.

• Boilers are used to generate steam or hot water for heating or power generation

• Types of boilers include fire-tube, water-tube, and electric boilers

• Fire-tube boilers have hot gases flowing through tubes surrounded by water

• Water-tube boilers have water flowing through tubes surrounded by hot gases

• Electric boilers use electricity to generate heat for wat...read more

A pneumatic system is a system that uses compressed air to transmit and control energy.

• Pneumatic systems are commonly used in industrial and manufacturing settings.

• They are often used to power tools and machinery.

• Examples of pneumatic systems include air brakes on trains and buses, pneumatic drills, and air compressors.

• Pneumatic systems are generally reliable and require less maintenance than hydraulic systems.

• They are also safer to use in certain environments, such as in are...read more

A relay is an electrically operated switch that uses an electromagnet to mechanically open or close a circuit.

• Relays are used to control high voltage or high current circuits with low voltage or low current signals.

• They are commonly used in industrial control systems, automotive applications, and household appliances.

• Relays can be classified into different types based on their construction and operation, such as electromagnetic relays, solid-state relays, and reed relays.

• Exam...read more

There are various types of oils used in mechanical maintenance, each with different grades and purposes.

• Mineral oils: Derived from crude oil and commonly used in engines and machinery.

• Synthetic oils: Man-made oils with superior performance and stability, often used in high-performance engines.

• Semi-synthetic oils: Blend of mineral and synthetic oils, offering a balance between performance and cost.

• Multi-grade oils: Designed to perform well in both hot and cold temperatures, in...read more

Types of pumps include centrifugal, positive displacement, axial flow, and jet pumps.

• Centrifugal pumps use a rotating impeller to create a flow of fluid.

• Positive displacement pumps move fluid by trapping a fixed amount and forcing it through the system.

• Axial flow pumps move fluid parallel to the axis of rotation.

• Jet pumps use a jet of high-pressure fluid to create a low-pressure area and move fluid.

• Other types of pumps include gear pumps, peristaltic pumps, and diaphragm pump...read more

VFD operation and starter purpose and operation with control diagram.

• VFD stands for Variable Frequency Drive which is used to control the speed of an electric motor.

• Starter is used to start and stop the motor and protect it from overloading.

• Control diagram shows the connections between the VFD, starter, and motor.

• VFD controls the frequency and voltage supplied to the motor, allowing for precise speed control.

• Starter includes components such as contactors, overload relays, and...read more

MTTR stands for Mean Time To Repair. It is a measure of the average time taken to repair a failed equipment or system.

• MTTR is a key performance indicator used in maintenance management.

• It helps in identifying the efficiency of maintenance processes.

• MTTR is calculated by dividing the total downtime by the number of repairs.

• A low MTTR indicates that the maintenance team is efficient in repairing equipment.

• MTTR can be used to set maintenance targets and improve maintenance proce...read more

CNC machine stands for Computer Numerical Control machine. It is a computer-controlled machine used for precision manufacturing.

• CNC machines are used in various industries such as aerospace, automotive, and electronics.

• They are capable of producing complex shapes and designs with high accuracy and consistency.

• CNC machines use CAD/CAM software to create a design and convert it into a set of instructions for the machine to follow.

• Examples of CNC machines include CNC mills, lath...read more

Cafeteria maitan is a type of edible fern commonly used in Asian cuisine.

• Cafeteria maitan is also known as fiddlehead fern or pakis.

• It is often used in stir-fries, soups, and salads.

• The fern has a unique taste and texture, similar to asparagus or green beans.

A timer is a device that measures and controls the passage of time.

• Timers can be mechanical or electronic.

• They can be used for a variety of purposes, such as turning lights on and off at specific times.

• Timers can also be used in industrial settings to control machinery and equipment.

• Some common types of timers include countdown timers, interval timers, and programmable timers.

Yes, I have experience with SCADA systems in previous roles.

• Implemented SCADA systems to monitor and control industrial processes

• Configured alarms and notifications for abnormal conditions

• Analyzed data trends to optimize system performance

• Integrated SCADA with PLCs for seamless automation

• Troubleshooted and resolved issues with SCADA systems

Yes, I have experience using Rockwell PLC in previous projects.

• I have used Rockwell PLC in previous projects for automation tasks

• I am familiar with programming languages such as ladder logic and structured text for Rockwell PLC

• I have experience troubleshooting and debugging Rockwell PLC systems

DG Safety device is a safety device used to protect diesel generators from damage or malfunction.

• DG Safety device monitors parameters like temperature, oil pressure, and voltage to ensure safe operation.

• It can automatically shut down the generator in case of any abnormal readings to prevent damage.

• Examples of DG Safety devices include automatic voltage regulators, engine control modules, and temperature sensors.

The reading on the DG changeover panel indicates the status of the diesel generator system.

• The reading on the panel will show which power source (main or backup) is currently supplying electricity.

• It may also display information about the load on the generator and any alarms or warnings.

• Regularly monitoring the panel reading is important to ensure smooth operation of the generator system.

Observing cleaning status involves visually inspecting areas for cleanliness and organization.

• Regularly walk through all areas to check for cleanliness

• Look for dust, dirt, stains, and clutter

• Check if cleaning supplies are properly stocked and organized

• Inspect high-touch surfaces for cleanliness and disinfection

• Use a checklist to ensure all tasks are completed

• Address any issues or areas needing improvement immediately

Observing snag points involves regular inspections, communication with staff, and addressing issues promptly.

• Conduct regular inspections of all areas to identify potential snag points

• Communicate with housekeeping staff to gather feedback on areas that may have snag points

• Address any issues or concerns raised by staff or guests promptly to prevent snag points from becoming a problem

• Implement preventive measures such as installing corner guards or using slip-resistant mats in h...read more

MTBF stands for Mean Time Between Failures, which is a measure of reliability for a system or component.

• MTBF is calculated by dividing the total operating time by the number of failures.

• It is commonly used in industries such as manufacturing, electronics, and transportation.

• MTBF can be used to predict the expected lifespan of a system or component.

• It is important to note that MTBF does not take into account the severity of failures or the time required for repairs.

• MTBF is oft...read more

Programming is the process of designing, writing, testing, and maintaining computer programs.

• Programming involves creating instructions for computers to execute

• It requires knowledge of programming languages and software development tools

• Programming can be used to create applications, websites, and software systems

• Debugging and testing are important parts of programming

• Examples of programming languages include Java, Python, and C++

To establish a relationship between two tables, use a common key or field that links the records in both tables.

• Use primary and foreign keys to establish relationships between tables.

• Primary key in one table should match the foreign key in another table.

• Types of relationships include one-to-one, one-to-many, and many-to-many.

• Examples: CustomerID in a Customers table can be linked to CustomerID in Orders table.

Gear boxes are used to transmit power and torque from one rotating shaft to another. There are several types of gear boxes.

• Manual transmission

• Automatic transmission

• Semi-automatic transmission

• Continuously variable transmission (CVT)

• Dual-clutch transmission (DCT)

• Epicyclic gear train

• Planetary gear train

• Worm gear box

• Bevel gear box

• Helical gear box

Thermodynamics is the branch of physics that deals with the relationships between heat and other forms of energy.

• Study of heat and energy transfer

• Relationship between temperature, pressure, and volume

• Laws of thermodynamics govern energy interactions in systems

Chillers are used to cool water or air in HVAC systems, with accessories like pumps, valves, and controls to regulate the process.

• Chillers use refrigeration cycles to remove heat from a space or substance.

• Accessories like pumps circulate the chilled water or air throughout the system.

• Valves control the flow of chilled water or air to different parts of the building.

• Controls monitor and adjust the chiller system to maintain desired temperatures.

• Examples of chillers include air...read more

Pest control is the management and regulation of pests to prevent damage to property, crops, and health.

• Pest control involves identifying, monitoring, and eliminating pests such as insects, rodents, and birds.

• Methods of pest control include physical barriers, traps, pesticides, and biological control.

• Regular inspections and maintenance are key to effective pest control.

• Examples of pests targeted for control include cockroaches, rats, termites, and mosquitoes.

The discovery of gravitational force revolutionized our understanding of the universe.

• Gravitational force was first described by Sir Isaac Newton in his law of universal gravitation.

• It explains the attraction between objects with mass.

• The discovery of gravitational force led to advancements in physics and astronomy.

• It plays a crucial role in understanding the motion of planets, stars, and galaxies.

Raw data can be cleaned by removing duplicates, handling missing values, standardizing formats, and correcting errors.

• Remove duplicates by identifying unique identifiers and filtering out redundant entries.

• Handle missing values by imputing with mean, median, or mode values or removing rows with missing data.

• Standardize formats by converting data into a consistent format (e.g. date formats, units of measurement).

• Correct errors by identifying and fixing inaccuracies or inconsis...read more

To observe snag points, inspect areas where issues commonly occur and look for signs of wear, damage, or malfunction.

• Inspect high traffic areas for signs of wear and tear

• Check equipment for loose parts or malfunctioning components

• Look for areas where cleaning is difficult or frequently missed

• Monitor guest feedback for recurring issues

• Regularly review maintenance records for reported problems

SOP stands for Standard Operating Procedure.

• SOP is a set of step-by-step instructions compiled by an organization to help workers carry out routine operations.

• It ensures consistency and quality in the performance of tasks.

• Examples include recipes in a restaurant kitchen, safety procedures in a manufacturing plant, and protocols in a medical setting.

Observation in site is crucial for identifying issues and ensuring quality standards are met.

• Regularly walk around the site to observe cleanliness and organization

• Check for any maintenance issues or safety hazards

• Observe staff behavior and interactions with guests to ensure professionalism

• Document any observations and address them promptly

• Use observation skills to identify areas for improvement and implement changes

• For example, noticing a leak in the ceiling and immediately c...read more

It seems like the question is incomplete or has a typo. Please provide more context or clarify the question.

• Ask for clarification on the question to ensure understanding.

• Provide examples of similar questions to help decipher the intended meaning.

Negotiating a contract requires preparation, communication, and flexibility.

• Research and understand the terms and conditions of the contract

• Identify your priorities and the other party's priorities

• Communicate clearly and effectively to find common ground

• Be willing to compromise and make concessions

• Put everything in writing and review it carefully before signing

• Consider seeking legal advice if necessary

The food trail refers to the journey of ingredients from farm to table, showcasing the sourcing and preparation process.

• Starts with sourcing fresh ingredients from local farms or suppliers

• Followed by proper storage and preparation techniques in the kitchen

• Ends with the presentation of the final dish to the customer

• Example: Sourcing organic vegetables from a nearby farm, storing them properly in the kitchen, and preparing a fresh salad for a customer

The most common introduction in a hospital setting is to greet the patient or visitor and ask how you can assist them.

• Greet the patient or visitor with a warm smile

• Ask how you can assist them

• Offer directions or assistance as needed