FREE Millwright Mechanical Systems Questions and Answers

Question 1

What is the primary purpose of a mechanical coupling in a system?

Accepted Answer

To join two rotating shafts for power transmission

Answer

To reduce system weight

Answer

To increase rotational speed

Answer

To align the shafts perfectly

Question 2

Which type of bearing is typically used to support heavy radial loads?

Accepted Answer

Roller bearing

Answer

Ball bearing

Answer

Needle bearing

Answer

Thrust bearing

Question 3

What is the main function of a gearbox in mechanical systems?

Accepted Answer

To change torque and speed between the motor and the output

Answer

To reduce friction

Answer

To connect multiple shafts

Answer

To align shafts

Question 4

Which tool is commonly used to check shaft alignment in mechanical systems?

Accepted Answer

Dial indicator

Answer

Torque wrench

Answer

Pipe wrench

Answer

Depth gauge

Question 5

What is the primary function of a hydraulic system in mechanical applications?

Accepted Answer

To transfer power using pressurized fluids

Answer

To generate heat

Answer

To cool mechanical components

Answer

To reduce system weight