Test: Machine Design - 1


25 Questions MCQ Test Mechanical Engineering SSC JE (Technical) | Test: Machine Design - 1


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Attempt Test: Machine Design - 1 | 25 questions in 50 minutes | Mock test for Mechanical Engineering preparation | Free important questions MCQ to study Mechanical Engineering SSC JE (Technical) for Mechanical Engineering Exam | Download free PDF with solutions
QUESTION: 1

The bolts in a rigid flanged coupling connecting two shafts transmitting power are subjected to

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QUESTION: 2

The hemispherical end of a pressure vessel is fastened to the cylindrical portion of the pressure vessel with the help of gasket, bolts and lock nuts. The bolts are subjected to

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QUESTION: 3

For bolts of uniform strength, the shank diameter is made equal to

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QUESTION: 4

Match List-I (Part to be Joined) with List-II (Type of Joint) and select the correct answer using the code given below the lists:

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QUESTION: 5

Match List-I (Items in joints) with List-II (Type of failure) and select the correct answer using the code given below the lists:

 

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QUESTION: 6

How can shock absorbing capacity of a bolt be increased

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QUESTION: 7

Rivets undergo single shear in

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QUESTION: 8

Which one of the following loadings is considered for design of axles ?

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QUESTION: 9

Match List-I with List-II and select the correct answer using the codes given below the lists:

 

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QUESTION: 10

Removal of metal participles from the raceway of a rolling contact bearing is a kind of failure of bearing known as

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QUESTION: 11

Match List-I with List-II and select the correct answer using the code given below the lists:

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QUESTION: 12

Match List-I (Machine element) with List-II (Cause of failure) and select the correct answer using the code given below the lists:

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QUESTION: 13

A transmission shaft subjected to bending loads must be designed on the basis of

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Correct Answer :- a

Explanation : Bending force is normal force, so that design based on maximum normal stress theory.

QUESTION: 14

Tapered roller bearings can take

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QUESTION: 15

The bearing characteristic number in a hydrodynamic bearing depends on

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QUESTION: 16

The bearing characteristic number in a hydrodynamic bearing depends upon

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QUESTION: 17

When a shaft transmits power through gears, the shaft experiences

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Correct Answer :- D

Explanation : Bending stress due to fixing is constant but torsional stresses are varying since speed of shaft varies with the gear speed which is variable

QUESTION: 18

Match List-I with List-II and select the correct answer using the code given below the lists:

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QUESTION: 19

In a journal bearings, the radius of the friction circle increases with the increase in

Solution:

Radius of friction circle = μ×r

Where          

μ= co efficient of friction 

r = Radius of journal 

QUESTION: 20

In the assembly design of shaft, pulley and ke, the weakest member is

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QUESTION: 21

In a single row deep groove ball bearing, cages are needed to

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QUESTION: 22

The factor of safety for steel and for steady load is

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QUESTION: 23

The ratio of the ultimate stress to the design stress is known as

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QUESTION: 24

The thickness of cotter is generally taken equal to

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QUESTION: 25

For a cotter, the ratio of thickness to width is

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