Theory of Machines Test 1
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- Total number of questions : 20
- Time allotted : 25 minutes.
- Each question carry 1 mark, no negative marks.
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| Total number of questions | : | 20 |
| Number of currect answered | : | 0 |
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Question 1 of 20
1. Question
1 points.
In a vibrating system, if the actual damping coefficient is 40 N/m/s and critical damping coefficient is 420 N/m/s, then logarithmic decrement is equal to
CorrectAnswer : C
IncorrectAnswer : C
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Question 2 of 20
2. Question
1 pointsCorrectAnswer : D
IncorrectAnswer : D
-
Question 3 of 20
3. Question
1 pointsCorrectAnswer : B
IncorrectAnswer : B
-
Question 4 of 20
4. Question
1 pointsCorrectAnswer : D
IncorrectAnswer : D
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Question 5 of 20
5. Question
1 pointsCorrectAnswer : D
IncorrectAnswer : D
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Question 6 of 20
6. Question
1 pointsCorrectAnswer : A
IncorrectAnswer : A
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Question 7 of 20
7. Question
1 points.
The primary unbalanced force is maximum when the angle of inclination of the crank with the line of stroke is
CorrectAnswer : B
IncorrectAnswer : B
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Question 8 of 20
8. Question
1 pointsCorrectAnswer : C
IncorrectAnswer : C
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Question 9 of 20
9. Question
1 points.
When the two elements of a pair have a surface contact when relative motion takes place and the surface of one element slides over the surface of the other, the pair formed is known as a
CorrectAnswer : A
IncorrectAnswer : A
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Question 10 of 20
10. Question
1 pointsCorrectAnswer : C
IncorrectAnswer : C
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Question 11 of 20
11. Question
1 pointsCorrectAnswer : A
IncorrectAnswer : A
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Question 12 of 20
12. Question
1 points.
The radial distance of a tooth from the pitch circle to the bottom of the tooth is called
CorrectAnswer : A
IncorrectAnswer : A
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Question 13 of 20
13. Question
1 points.
When the crank is at the inner dead centre, in a reciprocating steam engine, then the velocity of the piston will be
CorrectAnswer : B
IncorrectAnswer : B
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Question 14 of 20
14. Question
1 pointsCorrectAnswer : B
IncorrectAnswer : B
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Question 15 of 20
15. Question
1 points.
The swaying couple is maximum or minimum when the angle of inclination of the crank to the line of stroke (θ) is equal to
CorrectAnswer : B
IncorrectAnswer : B
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Question 16 of 20
16. Question
1 points.
The pressure angle of a cam is the angle between the direction of the follower motion and a normal to the
CorrectAnswer : C
IncorrectAnswer : C
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Question 17 of 20
17. Question
1 pointsCorrectAnswer : C
IncorrectAnswer : C
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Question 18 of 20
18. Question
1 pointsCorrectAnswer : C
IncorrectAnswer : C
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Question 19 of 20
19. Question
1 pointsCorrectAnswer : C
IncorrectAnswer : C
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Question 20 of 20
20. Question
1 points.
A mass of 1 kg is attached to the end of a spring with a stiffness of 0.7 N/mm. The critical damping coefficient of this system is
CorrectAnswer : D
IncorrectAnswer : D