Explore topic-wise MCQs in Machine Design.

This section includes 11 Mcqs, each offering curated multiple-choice questions to sharpen your Machine Design knowledge and support exam preparation. Choose a topic below to get started.

1.

Balls and the races of the deep groove ball may roll freely without any sliding.

A. True
B. False
Answer» B. False
2.

Certain types of radial bearings can also take thrust load.

A. True
B. False
Answer» B. False
3.

Determine the angle θ so that the force in the bolt 1 has maximum value.

A. 180’
B. 90’
C. 0’
D. 45’
Answer» B. 90’
4.

A flange of radius 200mm is fastened to the machine screw by means of four cap screws of pitch circle radius 150mm. The external force P is 20kN which is loaded at 160mm from the machine screw. There are two dowel pins to take shear load. Determine the core diameter of cap screw if permissible tensile stress in cap screw is 40N/mm².

A. None of the listed
B. 11.21mm
C. 12.33mm
D. 14.12mm
Answer» D. 14.12mm
5.

Certain types of radial bearings can also take thrust load?

A. True
B. False
Answer» B. False
6.

Which of the following statements are true about eccentrically loaded circular base?

A. All bolts are symmetrically spaced with equal angle on either side of vertical
B. Bolts are not preloaded
C. Bearing is rigid
D. Dowel pins are used to relieve stresses
Answer» B. Bolts are not preloaded
7.

Which bolt is under maximum stress if dowel pins are used to relieve cap screws from shear stress?

A. 1
B. 2
C. 3
D. 4
Answer» B. 2
8.

Determine the angle θ so that the force in the bolt 1 has maximum value.$

A. 180’
B. 90’
C. 0’
D. 45’
Answer» D. 45‚Äö√Ñ√∂‚àö√ë‚àö¬•
9.

Are all the four bolts under equal effective tensile load?

A. Yes
B. No
C. Depends on magnitude of load
D. Cannot be stated
Answer» B. No
10.

A flange of radius 200mm is fastened to the machine screw by means of four cap screws of pitch circle radius 150mm. The external force P is 20kN which is loaded at 160mm from the machine screw. There are two dowel pins to take shear load. Determine the core diameter of cap screw if permissible tensile stress in cap screw is 40N/mm².$

A. None of the listed
B. 11.21mm
C. 12.33mm
D. 14.12mm
Answer» D. 14.12mm
11.

A flange of radius 200mm is fastened to the machine screw by means of four cap screws of pitch circle radius 150mm. The external force P is 20kN which is loaded at 160mm from the machine screw. There are two dowel pins to take shear load. Determine the maximum effective tensile force acting on the bolt. The four bolts are equally spaced radially.

A. 4777.6N
B. 5777.6N
C. 6777.6N
D. 7777.7N
Answer» B. 5777.6N