20+ Interview Questions and Answers

CNC stands for Computer Numerical Control and VMC stands for Vertical Machining Center. Mechanical engineering involves designing, analyzing, and manufacturing mechanical systems. Manufacturing is the process of converting raw materials into finished products, while production refers to the overall process of creating goods.

• CNC is a manufacturing process that uses computerized controls to operate machine tools.

• VMC is a type of CNC machine that operates in a vertical orientati...read more

Two types of petrol engines are two-stroke and four-stroke engines. They differ in their working cycle and efficiency.

• Two-stroke engines complete a power cycle in one revolution of the crankshaft, while four-stroke engines complete it in two revolutions.

• Two-stroke engines have a simpler design and are lighter, but they are less fuel-efficient and produce more emissions.

• Four-stroke engines are more complex but more efficient and produce fewer emissions.

• Examples of two-stroke e...read more

5S is a workplace organization method that aims to improve efficiency and productivity by maintaining cleanliness and orderliness.

• 5S stands for Sort, Set in Order, Shine, Standardize, and Sustain.

• Sort involves removing unnecessary items from the workplace.

• Set in Order involves organizing the remaining items in a logical and efficient manner.

• Shine involves cleaning and maintaining the workplace.

• Standardize involves creating and implementing standard procedures for maintaining ...read more

Drilling is the process of creating a hole in a material using a rotating tool, while boring is the process of enlarging an existing hole.

• Drilling is used to create holes of various sizes and depths.

• Boring is used to enlarge existing holes to achieve greater precision or desired dimensions.

• Drilling is commonly used in construction, mining, and manufacturing industries.

• Boring is often used in machining operations to achieve tight tolerances.

• Drilling typically involves a rotati...read more

3M is a multinational conglomerate that produces a wide range of products including adhesives, abrasives, and personal protective equipment.

• 3M stands for Minnesota Mining and Manufacturing Company

• It was founded in 1902

• Some popular products include Post-it notes, Scotch tape, and N95 respirators

• The company operates in over 70 countries worldwide

Casting is a manufacturing process in which a liquid material is poured into a mold and allowed to solidify into the desired shape. Casting defects are imperfections that occur during this process.

• Casting involves pouring molten metal, plastic, or other materials into a mold to create a specific shape.

• Common casting defects include porosity, shrinkage, cold shuts, misruns, and inclusions.

• Porosity is the presence of air pockets or voids in the casting, which can weaken the str...read more

OEE can be calculated by multiplying Availability, Performance, and Quality.

• Calculate Availability by dividing Operating Time by Planned Production Time.

• Calculate Performance by dividing Actual Production by Maximum Production.

• Calculate Quality by dividing Good Count by Total Count.

• Multiply Availability, Performance, and Quality to get OEE.

• Example: OEE = Availability x Performance x Quality

To check ball screw backlash, measure the amount of play or movement between the ball screw and the nut.

• Use a dial indicator to measure the amount of axial play in the ball screw.

• Check for any abnormal noise or vibration during operation, which could indicate excessive backlash.

• Inspect the ball screw and nut for any signs of wear or damage that could contribute to backlash.

• Adjust the preload on the ball screw if necessary to reduce backlash.

Spindle backless or runout can be checked using a dial indicator to measure the deviation in spindle rotation.

• Mount a dial indicator on the machine spindle

• Rotate the spindle and observe the dial indicator for any deviation

• Measure the runout at different points on the spindle to ensure accuracy

• Check for any loose components or worn out bearings that may cause runout

• Consult the machine manual for specific instructions on checking spindle runout

Manufacturing is the process of producing goods through the use of labor, machines, tools, and chemical or biological processing.

• Manufacturing involves transforming raw materials into finished products

• It includes processes such as cutting, shaping, assembling, and packaging

• Examples include automobile manufacturing, electronics production, and food processing

Scrutiny of documents is a crucial task for a Senior Accounts Manager.

• Senior Accounts Manager should have a keen eye for detail while scrutinizing documents.

• They should ensure that all the documents are accurate, complete, and comply with the company's policies and procedures.

• They should also verify the authenticity of the documents and cross-check them with other sources if necessary.

• Examples of documents that may require scrutiny include invoices, receipts, bank statements,...read more

Turning coding refers to the programming of CNC machines for turning operations.

• Turning coding involves creating a set of instructions for the CNC machine to follow during the turning process.

• This includes specifying the cutting tools to be used, the speed and feed rates, and the path the tool will take.

• The code is typically written in G-code, a standardized programming language for CNC machines.

• Examples of turning operations include facing, drilling, and threading.

• A skilled ...read more

The count of vernier calipers varies depending on the requirement and availability.

• The count of vernier calipers can be determined by the number of individuals or departments that require them.

• It can also depend on the budget and resources available for purchasing vernier calipers.

• In an organization, there may be multiple vernier calipers for different purposes or locations.

• The count can also vary based on the frequency of use and the need for backups or replacements.

• For exam...read more

The count of High Gauge is not available.

• The count of High Gauge is not provided in the question.

• There is no information given about the High Gauge count.

• The available data does not include the count of High Gauge.

6 Sigma is a data-driven methodology for improving processes by reducing defects and variations.

• 6 Sigma aims to achieve near perfection in the products or services delivered by a company.

• It focuses on identifying and eliminating causes of defects and minimizing variability in manufacturing and business processes.

• 6 Sigma uses statistical tools and techniques to measure and analyze process performance.

• The goal of 6 Sigma is to reduce defects to a level of 3.4 per million opport...read more

TPM stands for Total Productive Maintenance, a proactive approach to maintenance that aims to maximize equipment effectiveness.

• TPM focuses on preventing equipment breakdowns through regular maintenance and employee involvement

• It involves setting up autonomous maintenance teams to take care of routine tasks

• TPM also includes planned maintenance, quality maintenance, and focused improvement projects

• Example: Implementing TPM in a manufacturing plant to reduce downtime and improve...read more

CP Cpl stands for Cost Per Completed Lead, a metric used in marketing to measure the cost of generating a lead that has been successfully completed.

• CP Cpl is calculated by dividing the total cost of generating leads by the number of completed leads.

• It helps in determining the efficiency and effectiveness of lead generation campaigns.

• For example, if a marketing campaign costs $1000 and generates 50 completed leads, the CP Cpl would be $20.

Governor and radiator are two different components in a machine.

• Governor is a device used to regulate the speed of an engine or machine by controlling the fuel or steam supply.

• Radiator is a heat exchanger used to transfer thermal energy from one medium to another for cooling or heating purposes.

• Governors are commonly used in steam engines, turbines, and internal combustion engines.

• Radiators are commonly used in automobiles, buildings, and electronic devices.

• Both components pl...read more

Overall equipment effectiveness (OEE) measures the efficiency of production equipment.

• OEE takes into account three factors: availability, performance, and quality.

• Availability measures the percentage of time the equipment is available for production.

• Performance measures the speed at which the equipment operates compared to its maximum speed.

• Quality measures the percentage of products produced that meet quality standards.

• OEE can be used to identify areas for improvement in pro...read more

The count of micrometers is not provided.

• The count of micrometers is not specified in the question.

• There is no information given about the number of micrometers.

• The question does not provide any data regarding the count of micrometers.

Quality is the measure of excellence or superiority of a product or service.

• Quality is meeting or exceeding customer expectations.

• It involves consistency, reliability, and conformance to requirements.

• Quality is achieved through continuous improvement and prevention of defects.

• Examples include high durability of a product, low defect rate in manufacturing, and excellent customer service.

A micrometre is a unit of length equal to one millionth of a meter, commonly used in precision engineering and measurement.

• A micrometre is also known as a micron.

• It is commonly used in fields such as engineering, physics, and biology for precise measurements.

• One micrometre is equal to 0.001 millimeters or 0.000001 meters.

• Micrometres are often used to measure the thickness of materials, the size of cells, and the wavelength of light.

A height gauge is a precision measurement tool used to measure the height of objects with high accuracy.

• Height gauges typically consist of a base, a vertical column, a measuring scale, and a scriber or probe.

• They are commonly used in manufacturing and engineering for quality control purposes.

• Height gauges can be manual or digital, with digital versions offering higher precision and ease of use.

• Examples of height gauges include vernier height gauges, dial height gauges, and el...read more

CNC machine stands for Computer Numerical Control machine, which is a computer-controlled machine tool used for cutting and shaping materials.

• CNC machines are used in manufacturing to automate processes such as cutting, drilling, milling, and more.

• They operate based on pre-programmed computer software that controls the movement of the machine's tools.

• Examples of CNC machines include CNC routers, CNC mills, CNC lathes, and CNC plasma cutters.

I have 5 years of experience in sales, including managing a team and exceeding sales targets consistently.

• Managed a team of 10 sales representatives

• Exceeded sales targets by 20% for 3 consecutive years

• Implemented new sales strategies that increased revenue by 30%