Mechanical Engineering - Machine Design

11. 

In second type of levers,

A. load is in between the fulcrum and effort
B. effort is in between the fulcrum and load
C. fulcrum is in between the load and effort
D. none of these

Answer: Option A

Explanation:

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12. 

Soderberg relation is based on __________ of the material whereas all other failure relation for dynamic loading are based on ultimate strength of the material.

A. elastic strength
B. yield strength
C. shear strength

Answer: Option B

Explanation:

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13. 

In a flange coupling, the flanges are coupled together by means of

A. bolts and nuts
B. studs
C. headless taper bolts
D. none of these

Answer: Option A

Explanation:

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14. 

A transmission shaft includes

A. counter shaft
B. line shaft
C. over head shaft
D. all of these

Answer: Option D

Explanation:

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15. 

According to I.B.R., shearing resistance required to shear off the rivet per pitch length (in double shear) is (where n = Number of rivets per pitch length)

A. d2 x τ x n
B. 1.875 x d2 x τ x n
C. 2 x d2 x τ x n
D. 3 x d2x τ x n

Answer: Option B

Explanation:

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