Machine Design MCQs with answers Page - 11

Here, you will find a collection of MCQ questions on Machine Design. Go through these questions to enhance your preparation for upcoming examinations and interviews.

To check the correct answer, simply click the View Answer button provided for each question.

Have your own questions to contribute? Click the button below to share your MCQs with others!

+ Add Question

A

Admin • 831.35K Points
Coach

Q. The clamping nut of the turn buckle has

  • (A) Left hand threads
  • (B) Right hand threads
  • (C) Right hand threads on one side and left hand threads on the other side
  • (D) Has no threads

A

Admin • 831.35K Points
Coach

Q. Helical springs are not subjected to

  • (A) Torsional shear stress
  • (B) Transverse shear stress
  • (C) Deflection
  • (D) Hoop stress

A

Admin • 831.35K Points
Coach

Q. The uniform rate of descent is maintained by a brake on the drum which applies the necessary torque of 300 kg-m what additional brake torque is required to bring the system to rest in 0.50 second?

  • (A) 6235 N-m
  • (B) 1027 N-m
  • (C) 2054 N-m
  • (D) 1580 N-m

A

Admin • 831.35K Points
Coach

Q. The part of the tooth which lies between the pitch and dedendum circle is known as

  • (A) Base
  • (B) Face
  • (C) Profile
  • (D) Flank

A

Admin • 831.35K Points
Coach

Q. A solid shaft of 100 mm diameter transmits 100 HP at (450/?) r.p.m. The torque in kg-m on the shaft would be

  • (A) 250
  • (B) 375
  • (C) 500
  • (D) 990

A

Admin • 831.35K Points
Coach

Q. Stone crusher rolls are generally made of

  • (A) Mild steel
  • (B) Grey iron
  • (C) Cast iron
  • (D) High carbon steel

A

Admin • 831.35K Points
Coach

Q. Piston rings are usually made of

  • (A) Stainless steel
  • (B) Cast iron
  • (C) Increasing the diameter of threaded portion
  • (D) Aluminium

A

Admin • 831.35K Points
Coach

Q. The main difference between rigid and flexible coupling for shafts transmitting power is

  • (A) the number of coupling bolts are more in flexible coupling than in rigid coupling
  • (B) a flexible element is inserted around coupling bolts in one of the flanges
  • (C) There is a protective flange over bolts in the case of flexible coupling
  • (D) none of the above

A

Admin • 831.35K Points
Coach

Q. Teflon is used for bearings

  • (A) When low coefficient of friction is desired
  • (B) Heat dissipation is a problem
  • (C) Space is the major consideration
  • (D) Increasing the diameter of threaded portion

A

Admin • 831.35K Points
Coach

Q. In case of a Saddle key

  • (A) The key is welded to shaft
  • (B) The key way is cut in shaft only
  • (C) The key ways is cut in hub only
  • (D) The key way is cut in both shaft and hub