30+ Vidhya Hospitals & Trauma Center Interview Questions and Answers

Feed speed refers to the rate at which the cutting tool moves along the workpiece, while cutting speed refers to the speed at which the workpiece rotates or moves relative to the cutting tool.

• Feed speed is measured in units of distance per time, such as inches per minute or millimeters per second.

• Cutting speed is measured in units of surface speed, such as feet per minute or meters per second.

• Feed speed determines how quickly the cutting tool engages with the workpiece.

• Cuttin...read more

Production planning is the process of organizing resources and activities to achieve production goals efficiently.

• It involves determining the production schedule, allocating resources, and setting production targets.

• It helps to ensure that production is carried out in a timely and cost-effective manner.

• Factors such as demand, inventory levels, and capacity are taken into account during production planning.

• Effective production planning can help to minimize waste and reduce cos...read more

Yes, I have experience in both CNC and VMC programming.

• I have worked with various CNC machines and have programmed them using G-code and M-code.

• I am familiar with VMC programming and have experience in setting up tool paths and creating programs for 3-axis and 4-axis machines.

• I have also worked with CAM software such as Mastercam and SolidWorks to create CNC programs.

• I am comfortable with reading technical drawings and blueprints to create accurate programs.

3 phase power is 440 volts instead of 660 volts due to the configuration of the phases and the relationship between them.

• 3 phase power consists of three separate voltages that are 120 degrees out of phase with each other

• The line-to-line voltage in a 3 phase system is √3 times the phase voltage

• In a 3 phase system, the line-to-line voltage is 440 volts (220 volts * √3)

The company uses a total of 5 engines for production purposes.

• There are 3 engines used for manufacturing equipment

• There is 1 engine used for transportation vehicles

• There is 1 backup engine in case of emergencies

CBM stands for Condition-Based Maintenance and TBM stands for Tunnel Boring Machine.

• CBM is a maintenance strategy that uses real-time data to determine the condition of equipment and schedule maintenance accordingly.

• TBM is a machine used to excavate tunnels with a circular cross-section through a variety of soil and rock strata.

• MTTR (Mean Time to Repair) is the average time required to repair a failed component or system.

• MTBF (Mean Time Between Failures) is the average time b...read more

Interpreting gear quality involves analyzing various factors such as material, design, manufacturing process, and performance.

• Evaluate the material used for the gear, such as steel, aluminum, or composite materials.

• Assess the design of the gear for factors like tooth profile, pitch, and pressure angle.

• Examine the manufacturing process to ensure proper machining, heat treatment, and quality control measures were followed.

• Test the performance of the gear under load conditions t...read more

Yes, I am familiar with machine setting.

• I have experience in setting up machines for production runs.

• I am knowledgeable in adjusting machine settings to optimize output and quality.

• I am familiar with troubleshooting machine issues related to settings.

• For example, I have set up CNC machines for precision cutting and adjusted injection molding machines for consistent product quality.

Shifting to electric vehicles from internal combustion engines offers environmental benefits, cost savings, and improved performance.

• Reduction in greenhouse gas emissions and air pollution

• Lower operating costs due to cheaper electricity compared to gasoline

• Less maintenance required as electric vehicles have fewer moving parts

• Instant torque and smoother acceleration for better driving experience

• Government incentives and rebates for purchasing electric vehicles

• Potential for ren...read more

VFD drives can be installed by following a few simple steps and setting the parameters correctly.

• Ensure proper wiring and grounding of the VFD drive

• Set the parameters according to the motor specifications

• Test the VFD drive to ensure it is functioning properly

• Provide proper training to the operators on how to use the VFD drive

The major heating components in an EV motor are the stator winding and the rotor.

• Stator winding: The stator winding is responsible for generating a rotating magnetic field in the motor. It can experience heating due to electrical resistance.

• Rotor: The rotor is the rotating part of the motor and can also generate heat due to friction and electrical resistance.

• Cooling system: EV motors often have a cooling system to dissipate heat generated by the stator winding and rotor.

• Therm...read more

Gears are manufactured through processes like hobbing, shaping, milling, and grinding. They are measured using tools like gear calipers, micrometers, and CMM machines.

• Gears are manufactured using processes like hobbing, shaping, milling, and grinding.

• Measurement of gears is done using tools like gear calipers, micrometers, and CMM machines.

• Gear calipers are used to measure the tooth thickness and diametral pitch of gears.

• Micrometers are used to measure the gear tooth thicknes...read more

I'm sorry, I don't have access to the current number of CNC machines in Sona plant.

• I don't have access to the current data on the number of CNC machines in Sona plant.

• It would be best to contact Sona plant directly for an accurate answer.

• The number of CNC machines in Sona plant may vary depending on various factors such as production needs and upgrades.

CNC stands for Computer Numerical Control. It is a manufacturing process that uses computerized systems to control machine tools.

• CNC is a manufacturing process that automates the operation of machine tools.

• It uses computerized systems to control the movement and operation of the tools.

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

• They can perform precise and complex operations, such as cutting, drilling, and shaping materials.

• CNC pr...read more

The differential is a device that allows the wheels of a vehicle to rotate at different speeds.

• The differential is located in the drivetrain of a vehicle.

• It allows the wheels on the same axle to rotate at different speeds.

• The differential transfers power from the engine to the wheels while allowing them to rotate at different speeds during turns.

• It consists of gears that distribute torque to the wheels based on their rotational speed.

• For example, when a vehicle takes a turn, ...read more

Spectrometry is the study of the interaction between matter and electromagnetic radiation.

• It involves the measurement of the intensity and wavelength of electromagnetic radiation.

• It is used in various fields such as chemistry, physics, and astronomy.

• Examples include mass spectrometry, infrared spectroscopy, and UV-Vis spectroscopy.

Hydraulic systems use liquid to transmit power, while pneumatic systems use gas.

• Hydraulic systems use oil or water as the fluid to transmit power

• Pneumatic systems use air or other gases as the fluid to transmit power

• Hydraulic systems are typically used in heavy machinery like excavators and cranes

• Pneumatic systems are commonly found in applications like air brakes in vehicles

A hydraulic system is a technology that uses fluid to transmit power and control movement.

• Hydraulic systems use a fluid, typically oil or water, to transmit power.

• The system consists of a pump, valves, actuators, and fluid lines.

• The pump pressurizes the fluid, which is then distributed through the system.

• Valves control the flow and direction of the fluid.

• Actuators, such as cylinders or motors, convert the fluid pressure into mechanical force or motion.

• Hydraulic systems are co...read more

Feed is a substance or mixture that is provided to a machine or system to be processed or used.

• Feed can refer to food given to animals for consumption.

• In the context of machines, feed can refer to materials or substances supplied to a machine for processing.

• Types of feed include animal feed, data feed, news feed, and social media feed.

The heat generating component in a motor is the stator winding and rotor core.

• Stator winding and rotor core are the main sources of heat generation in a motor.

• The heat generated is due to the resistance of the winding and core losses.

• Efficient cooling systems are required to dissipate the heat and prevent damage to the motor.

• Examples of cooling systems include air cooling, liquid cooling, and forced ventilation.

Make refers to the manufacturer or producer of a product.

• Make is the brand or company that produces a product.

• It is often used interchangeably with manufacturer.

• For example, Honda is the make of a car while the model may be Civic or Accord.

Cooling methods for motors include air cooling, liquid cooling, and oil cooling.

• Air cooling involves using a fan to circulate air over the motor to dissipate heat.

• Liquid cooling uses a coolant, such as water or a mixture of water and glycol, to absorb heat from the motor and transfer it to a radiator.

• Oil cooling involves circulating oil through the motor to absorb heat and then transferring it to a heat exchanger.

• The choice of cooling method depends on factors such as the mot...read more

G code is a programming language used to control CNC machines.

• G code is used to control the movement and operation of CNC machines.

• It consists of a series of commands that tell the machine what to do.

• G code can be edited and customized to suit specific machining needs.

• Examples of G code commands include G00 for rapid positioning and G01 for linear interpolation.

• G code is often generated by CAM software based on a 3D model of the part to be machined.

PPE stands for Personal Protective Equipment, 8D is a problem-solving methodology, RTJ refers to Ring Type Joint, PPC stands for Production Part Approval Process.

• PPE: equipment worn to minimize exposure to hazards (e.g. gloves, goggles)

• 8D: Eight Disciplines problem-solving method (e.g. root cause analysis)

• RTJ: type of gasket used in high-pressure applications (e.g. oil and gas pipelines)

• PPC: process to ensure production parts meet quality standards before mass production

Types of engines include internal combustion engines, steam engines, and electric engines.

• Internal combustion engines: Most common type, fueled by gasoline or diesel (e.g. car engines)

• Steam engines: Use steam to generate power (e.g. steam locomotives)

• Electric engines: Powered by electricity (e.g. electric vehicles)

Drive cycle refers to the pattern of vehicle operation over a specified period of time.

• Drive cycle is used to evaluate vehicle emissions and fuel economy.

• It includes different driving modes such as idling, acceleration, deceleration, and cruising.

• Examples of drive cycles include FTP-75, HWFET, and US06.

• Drive cycle data is used to develop and test new vehicle technologies.

• Drive cycles can vary depending on the type of vehicle and its intended use.

A differential is the difference between two values or rates.

• In mathematics, a differential is the result of subtracting one value from another.

• In economics, a differential may refer to the difference in prices between two similar products.

• In physics, a differential can represent the rate of change of a quantity over time.

HLOOKUP is a function in Excel used to search for a value in the top row of a table and return a value in the same column from a specified row.

• HLOOKUP stands for Horizontal Lookup.

• It is used to search for a value in the top row of a table and return a value in the same column from a specified row.

• Syntax: =HLOOKUP(lookup_value, table_array, row_index_num, [range_lookup])

• Example: =HLOOKUP(100, A1:D4, 3, FALSE) will search for 100 in the top row of the table A1:D4 and return the...read more

VLOOKUP is a function in Excel used to search for a value in a table and return a corresponding value from another column.

• VLOOKUP stands for 'Vertical Lookup'.

• It is commonly used in Excel to search for a value in the leftmost column of a table and return a value in the same row from a specified column.

• The function requires four arguments: the value to search for, the range of cells to search in, the column index number from which to return the value, and a logical value indic...read more