Explore topic-wise MCQs in Machine Dynamics.

This section includes 8 Mcqs, each offering curated multiple-choice questions to sharpen your Machine Dynamics knowledge and support exam preparation. Choose a topic below to get started.

1.

For a double block shoe brake, the braking action is halved.

A. True
B. False
Answer» C.
Discussion
2.

Drawback of a single block brake is __________

A. Bending of shaft
B. Twisting of shaft
C. Tension in shaft
D. Tension in bearings
Answer» B. Twisting of shaft
Discussion
3.

If the angle of contact is greater than 60 degrees, then unit pressure normal to the surface of contact is __________

A. Less at the ends than at the centre
B. More at the ends then centre
C. Remains equal at the ends and the centre
D. Remains unaffected
Answer» B. More at the ends then centre
Discussion
4.

The combined mass of bicycle and rider is 100 kg, they are travelling at the speed of 16 km/h on a level road. Diameter of rear wheel is 0.9m. The pressure applied on the brake is 100 N and = 0.05., find the no. of revolutions made by the bicycle before it comes to rest.

A. 35
B. 140
C. 70
D. 84
Answer» D. 84
Discussion
5.

The combined mass of bicycle and rider is 100 kg, they are travelling at the speed of 16 km/h on a level road. Diameter of rear wheel is 0.9m. How far will the bicycle travel after the application of brake? The pressure applied on the brake is 100 N and = 0.05.

A. 200.1 m
B. 197.2 m
C. 98.6 m
D. 124.3 m
Answer» C. 98.6 m
Discussion
6.

In which of the following brakes the force acting on the brake drum is in axial direction?

A. Block brake
B. Shoe brake
C. Band brake
D. Cone brake
Answer» E.
Discussion
7.

Electric brakes are used to control the speed of vehicle during downhill travel.

A. True
B. False
Answer» B. False
Discussion
8.

Which of the following type of brakes can bring the member to an absolute rest?

A. Hydraulic
B. Electric
C. Mechanical
D. Fluid agitator
Answer» D. Fluid agitator
Discussion