Mech Expert

131. What is the primary purpose of a vibration isolator?

A. To reduce vibrations

B. To increase vibrations

C. To store energy

D. To control speed

132. Which of the following is a type of mechanical bearing?

A. Plain bearing

B. Rolling bearing

C. Fluid bearing

D. All of the above

133. What is the primary function of a flywheel in a wind turbine?

A. To store rotational energy

B. To increase torque

C. To reduce friction

D. To control speed

134. Which of the following is a type of mechanical deformation?

A. Elastic deformation

B. Plastic deformation

C. Viscoelastic deformation

D. All of the above

135. What is the primary purpose of a mechanical governor in a diesel engine?

A. To regulate speed

B. To increase power

C. To reduce friction

D. To control temperature

136. Which of the following is a type of mechanical gear?

A. Spur gear

B. Helical gear

C. Bevel gear

D. All of the above

137. What is the primary function of a distributor in an engine?

A. To distribute ignition spark

B. To increase torque

C. To reduce friction

D. To control speed

138. Which of the following is a type of mechanical coupling failure?

A. Misalignment

B. Overload

C. Fatigue

D. All of the above

139. What is the primary purpose of a mechanical seal in a pump?

A. To prevent leakage

B. To increase pressure

C. To reduce friction

D. To control speed

140. Which of the following is a type of mechanical energy storage?

A. Flywheel

B. Spring

C. Compressed air

D. All of the above

Mechanical Engineering MCQs