Explore topic-wise MCQs in Machine Kinematics.

This section includes 16 Mcqs, each offering curated multiple-choice questions to sharpen your Machine Kinematics knowledge and support exam preparation. Choose a topic below to get started.

1.

A Hooke’s joint is used to connect two

A. coplanar and non-parallel shafts
B. non-coplanar and non-parallel shafts
C. coplanar and parallel shafts
D. non-coplanar and parallel shafts
Answer» C. coplanar and parallel shafts
Discussion
2.

In automobiles, Hooke’s joint is used between which of the following?

A. Clutch and gear box
B. Gear box and differential
C. Differential and wheels
D. Flywheel and clutch
Answer» C. Differential and wheels
Discussion
3.

THE_FRICTIONAL_TORQUE_TRANSMITTED_BY_A_DISC_OR_PLATE_CLUTCH_IS_SAME_AS_THAT_OF?$

A. flat pivot bearing
B. flat collar bearing
C. conical pivot bearing
D. trapezoidal pivot bearing
Answer» C. conical pivot bearing
Discussion
4.

In automobiles, Hooke’s joint is used between which of the following?$#

A. Clutch and gear box
B. Gear box and differential
C. Differential and wheels
D. Flywheel and clutch
Answer» C. Differential and wheels
Discussion
5.

The_frictional_torque_transmitted_by_a_cone_clutch_is_same_as_that_of$

A. flat pivot bearing
B. flat collar bearing
C. conical pivot bearing
D. trapezoidal pivot bearing
Answer» E.
Discussion
6.

The angle between the axes of two shafts connected by Hooke’s joint is 18°. Determine the angle turned through by the driving shaft when the velocity ratio is maximum.$

A. 90°
B. 180°
C. 270°
D. 360°
Answer» C. 270¬¨¬®‚Äö√†√ª
Discussion
7.

Two shafts with an included angle of 160° are connected by a Hooke’s joint. The driving shaft runs at a uniform speed of 1500 r.p.m. The driven shaft carries a flywheel of mass 12 kg and 100 mm radius of gyration. Find the maximum angular acceleration of the driven shaft.$

A. 3090 rad/s<sup>2</sup>
B. 4090 rad/s<sup>2</sup>
C. 5090 rad/s<sup>2</sup>
D. 6090 rad/s<sup>2</sup>
Answer» B. 4090 rad/s<sup>2</sup>
Discussion
8.

A Hooke’s joint is used to connect two$

A. coplanar and non-parallel shafts
B. non-coplanar and non-parallel shafts
C. coplanar and parallel shafts
D. non-coplanar and parallel shafts
Answer» C. coplanar and parallel shafts
Discussion
9.

The frictional torque transmitted in a conical pivot bearing, considering uniform wear, i?

A. 1/2 × μ.W. R cosec α
B. 2/3 × μ.W. R cosec α
C. 3/4 × μ.W. R cosec α
D. μ.W.R cosec α
Answer» B. 2/3 ‚Äö√†√∂‚àö‚â• ‚âà√≠¬¨‚à´.W. R cosec ‚âà√≠¬¨¬±
Discussion
10.

The frictional torque transmitted in a flat pivot bearing, considering uniform pressure, is

A. 1/2 × μ.W. R
B. 2/3 × μ.W. R
C. 3/4 × μ.W. R
D. μ.W.R
Answer» C. 3/4 ‚Äö√†√∂‚àö‚â• ‚âà√≠¬¨‚à´.W. R
Discussion
11.

The maximum efficiency of a screw jack is

A. 1 – sinφ/ 1 + sinφ
B. 1 + sinφ/ 1 – sinφ
C. 1 – tanφ/ 1 + tanφ
D. 1 + tanφ/ 1 – tanφ
Answer» B. 1 + sin‚âà√¨‚àö√∫/ 1 ‚Äö√Ñ√∂‚àö√ë‚àö¬® sin‚âà√¨‚àö√∫
Discussion
12.

The efficiency of a screw jack is maximum, when

A. α = 45º + φ/2
B. α = 45º – φ/2
C. α = 90º + φ
D. α = 90º − φ
Answer» C. ‚âà√≠¬¨¬± = 90¬¨¬®‚Äö√†¬¥ + ‚âà√¨‚àö√∫
Discussion
13.

The radius of a friction circle for a shaft of radius r rotating inside a bearing is

A. r sin φ
B. r cos φ
C. r tan φ
D. r cot φ
Answer» B. r cos ‚âà√¨‚àö√∫
Discussion
14.

The efficiency of a screw jack is given by

A. tan (α + φ)/tan α
B. tan α / tan (α + φ)
C. tan (α − φ)/ tan α
D. tan α/ tan (α − φ)
Answer» C. tan (‚âà√≠¬¨¬± ‚Äö√Ñ√∂‚àö‚Ć‚àö‚↠‚âà√¨‚àö√∫)/ tan ‚âà√≠¬¨¬±
Discussion
15.

In a screw jack, the effort required to lift the load W is given by

A. P = W tan (α – φ)
B. P = W tan (α + φ)
C. P = W cos (α – φ)
D. P = W cos (α + φ)
Answer» C. P = W cos (‚âà√≠¬¨¬± ‚Äö√Ñ√∂‚àö√ë‚àö¬® ‚âà√¨‚àö√∫)
Discussion
16.

The angle of inclination of the plane, at which the body begins to move down the plane, is called

A. angle of friction
B. angle of repose
C. angle of projection
D. none of the mentioned
Answer» B. angle of repose
Discussion