Explore topic-wise MCQs in Machine Design.

This section includes 20 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.

Slenderness ratio is inversely proportional to __________

A. Effective height
B. Effective thickness
C. Effective length
D. Effective height and effective thickness
Answer» C. Effective length
2.

The nominal thickness of one brick wall in case of modular bricks is __________

A. 18 cm
B. 19 cm
C. 20 cm
D. 21 cm
Answer» D. 21 cm
3.

The actual thickness of one brick wall in case of modular bricks is __________

A. 18 cm
B. 19 cm
C. 20 cm
D. 21 cm
Answer» C. 20 cm
4.

Stability problem results when slenderness ratio is more than __________

A. 30
B. 40
C. 50
D. 60
Answer» B. 40
5.

Slenderness ratio of a wall does not depend on __________

A. Height of the wall
B. Length of the wall
C. Mass of the wall
D. Thickness of the wall
Answer» D. Thickness of the wall
6.

Weak mortar has __________

A. Only lime
B. Only cement
C. More cement and less lime
D. More lime and less cement
Answer» E.
7.

In a masonry wall, the strength of the mortar should be __________ that of the masonry unit.

A. Lesser than
B. Greater than
C. Equal to
D. Greater than or equal to
Answer» B. Greater than
8.

Live loads and dead loads act in a horizontal direction.

A. True
B. False
Answer» C.
9.

Which of the following reasons is not responsible for setting up stresses in a wall?

A. Its own weight
B. Weight of superimposed loads
C. Cement
D. Lateral pressure
Answer» D. Lateral pressure
10.

Which of the following is not a type of load coming on the wall structures?

A. Dead load
B. Black load
C. Live load
D. Earthquake load
Answer» C. Live load
11.

IN_MANUAL_ASSEMBLY,_COST_OF_SCREW_IS_HIGHER_THAN_THE_COST_OF_DRIVING_A_SCREW.?$

A. True
B. False
Answer» C.
12.

Maximum_carbon_content_in_welding_is_usually_limited_to$

A. 0.22%
B. 0.8%
C. 1.5%
D. 2%
Answer» B. 0.8%
13.

Among casting, forging and forging which has the slowest rate of production?

A. Casting
B. Forging
C. Machining
D. All have equal rate of production
Answer» D. All have equal rate of production
14.

Forged components can be held between close limits.

A. True
B. False
Answer» B. False
15.

In forging, metal is in which of the following stage?

A. Elastic
B. Plastic
C. Can be in any stage
D. Rigid
Answer» C. Can be in any stage
16.

Cast surfaces have good finishing.

A. True
B. False
Answer» C.
17.

While designing a forging, the profile is selected such that the fibrous lines are parallel to the tensile forces and perpendicular to shear forces.

A. True
B. False
Answer» B. False
18.

Which process allows controlling grain structure of the product?

A. Casting
B. Forging
C. None of the mentioned
D. Die Casting
Answer» C. None of the mentioned
19.

Shot blasting process improves the endurance limit of the component.

A. True
B. False
Answer» B. False
20.

Stressed parts are always kept in tension.

A. True
B. False
Answer» B. False