Mechanical Engineering MCQs

141. What is the primary function of a mechanical relay?
A. To control electrical circuits
B. To increase power
C. To reduce friction
D. To control speed
142. Which of the following is a type of mechanical surface treatment?
A. Shot peening
B. Polishing
C. Grinding
D. All of the above
143. What is the primary purpose of a mechanical clutch in a machine?
A. To engage and disengage power
B. To increase torque
C. To reduce friction
D. To control speed
144. Which of the following is a type of mechanical analysis?
A. Finite element analysis
B. Kinematic analysis
C. Dynamic analysis
D. All of the above
145. What is the primary function of a mechanical governor in a gas turbine?
A. To regulate speed
B. To increase power
C. To reduce friction
D. To control temperature
146. Which of the following is a type of mechanical damping?
A. Viscous damping
B. Coulomb damping
C. Hysteretic damping
D. All of the above
147. What is the primary purpose of a mechanical fuse?
A. To protect against overload
B. To increase power
C. To reduce friction
D. To control speed
148. Which of the following is a type of mechanical transmission?
A. Manual transmission
B. Automatic transmission
C. Continuously variable transmission
D. All of the above
149. What is the primary function of a mechanical governor in a wind turbine?
A. To regulate speed
B. To increase power
C. To reduce friction
D. To control temperature
150. Which of the following is a type of mechanical failure analysis?
A. Fracture analysis
B. Fatigue analysis
C. Wear analysis
D. All of the above
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