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ESE ME 2018 Achiever Study Plan: Machine Design Quiz 5

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Question 1

The compliance of the spring is the:

Question 2

If a helical spring is halved in length, its spring stiffness

Question 3

Statement (I): Concentric springs are used when outside diameter is limited and higher load carrying capacity is required.
Statement (II): Adjacent spring in concentric springs should be wound with opposite hand helices.

Question 4

which one of the following expresses the stress factor K used for design closed coiled helical spring?

Question 5

Consider the following statements:
When two springs of equal length are arranged to from a cluster spring
1). angle of twist in both the springs will equal
2). deflection of both the springs will be equal
3). load taken by each spring will be half the total load
4). Shear stress in each spring will be equal
Which of these statements is/are correct?

Question 6

Consider a stepped shaft subjected to a twisting moment applied at B as shown in the figure. Assume shear modulus. G = 77 GPa. The angle of twist at C (in degrees) is ____________

Question 7

Match List-I with List-II and select the correct answer using the code given below the lists:
List-I
A). Unwin’s formula
B). Wahl factor
C). Reynold’s equation
D). Lewis from factor
List-II
1). Bearing
2). Rivets
3). gears
4). Springs

Question 8

Two equal length of steel wires of the same diameter are made into two springs S₁ and S₂ of mean diameters 75 mm and 60 mm respectively.
The stiffness ratio of S₁ and S₂ is

Question 9

For the two shafts connected in parallel

Question 10

The magnitude of shear induced in a shaft due to applied torque varies

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ESE & GATE ME Machine Design

Aug 7ESE & GATE ME