Hero Motors Company Production Engineer Interview Questions and Answers

Duty cycle is the ratio of time a system is active compared to the total time.

• Duty cycle is often expressed as a percentage.

• It is commonly used in engineering to describe the on/off time of a system.

• For example, a system with a duty cycle of 50% is on half the time and off half the time.

The type of gear determines the torque required for its operation.

• Different types of gears have different torque requirements.

• Spur gears have a constant torque requirement.

• Helical gears have a higher torque requirement due to their angled teeth.

• Bevel gears have varying torque requirements depending on their angle.

• Worm gears have a high torque requirement due to their high gear ratio.

There are various types of engines used in different applications.

• Internal Combustion Engine (ICE) - used in automobiles and power generators

• Steam Engine - used in locomotives and industrial machinery

• Gas Turbine Engine - used in aircraft and power plants

• Rocket Engine - used in space exploration

• Electric Motor - used in electric vehicles and appliances