Explore topic-wise MCQs in Machine Design.

This section includes 16 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.

The circumferential hoop stress and longitudinal stress act in same direction and hence are straight away added.

A. True
B. False
Answer» C.
2.

The circumferential hoop stress and longitudinal stress are both shear stress.

A. True
B. False
Answer» C.
3.

If nominal diameter of bolt used is 20mm, then find the radial distance between outer diameter of flange and pitch circle diameter of studs.

A. 24mm
B. 28mm
C. 32mm
D. 36mm
Answer» C. 32mm
4.

If diameter of cylinder bore is 120mm, then thickness of water cylinder flange will be

A. 8.8mm
B. 10.2mm
C. 7.8mm
D. 12mm
Answer» B. 10.2mm
5.

If diameter of cylinder bore is 120mm, then thickness of dry liner will be

A. 2.2mm
B. 3.6mm
C. 4.8mm
D. 6mm
Answer» C. 4.8mm
6.

If no re boring allowance is to be given, then thickness of cylinder wall is max pressure is 3.5N/mm², bore diameter=200mm and permissible tensile stress is 40N/mm².

A. 7mm
B. 8mm
C. 9mm
D. 10mm
Answer» D. 10mm
7.

IF_NOMINAL_DIAMETER_OF_BOLT_USED_IS_20MM,_THEN_FIND_THE_RADIAL_DISTANCE_BETWEEN_OUTER_DIAMETER_OF_FLANGE_AND_PITCH_CIRCLE_DIAMETER_OF_STUDS.?$

A. 24mm
B. 28mm
C. 32mm
D. 36mm
Answer» C. 32mm
8.

The circumferential hoop stress and longitudinal stress act in same direction and hence are straight away added.$

A. True
B. False
Answer» C.
9.

The_circumferential_hoop_stress_and_longitudinal_stress_are_both_shear_stress.$

A. True
B. False
Answer» C.
10.

If diameter of cylinder bore is 120mm, then thickness of water cylinder flange will b?

A. 8.8mm
B. 10.2mm
C. 7.8mm
D. 12mm
Answer» B. 10.2mm
11.

If diameter of cylinder bore is 120mm, then thickness of water jacket wall will be

A. 4.26mm
B. 5.25mm
C. 2.56mm
D. All of the listed
Answer» E.
12.

If diameter of cylinder of bore is 120mm, then thickness of the cylinder will be

A. Information not sufficient
B. 7mm
C. 12mm
D. 6mm
Answer» C. 12mm
13.

If no re boring allowance is to be given, then thickness of cylinder wall is max pressure is 3.5N/mm², bore diameter=200mm and permissible tensile stress is 40N/mm².$

A. 7mm
B. 8mm
C. 9mm
D. 10mm
Answer» D. 10mm
14.

There are ____ types of liners.

A. 1
B. 2
C. 3
D. 4
Answer» C. 3
15.

Petrol engine are more economical than diesel engine.

A. True
B. False
Answer» C.
16.

Compression Ratio in diesel engine is lesser than that in Spark Ignition engine.

A. True
B. No
C. They are equal
D. Doesn’t matter
Answer» C. They are equal