Mechanical SSC J.E Quiz-45

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Question 1

In a mechanical shaper, the length of stroke is increased by

• Aincreasing the centre distance of bull gear and crank pin.
• Bdecreasing the centre distance of bull gear and crank pin.
• Cincreasing the length of the ram.
• Ddecreasing the length of the slot in the slotted lever.

Question 2

Diesel Engine is form of:

• AIC Engine
• BSteam Engine
• COtto Engine
• DBoiler Engine

Question 3

Calculate the tensile strain developed in a rod of length 100mm on application of an axial tensile load of l0kN. The final length of the rod after the application of the load is 100. 1mm.

• A0.1
• B0.01
• C0.001
• D0

Question 4

The ratio of tension on the tight side to that on the slack side in a flat belt drive is:

• Aproportional to the product of coefficient of friction and lap angle
• Ban exponential function of the product of coefficient of friction and lap angle
• Cproportional to the lap angle
• Dproportional to the coefficient of friction

Question 5

In vibration isolation system, if then transmissibility(ε) will be.

• Agreater than one
• Bequal to one
• Cless than one
• Dzero

Question 6

What is the pressure inside a soap bubble, over the atmospheric pressure if its diameter is 2 cm and the surface tension is

• A
• B
• C
• D

Question 7

Which one of the following relationships defines the Helmholtz function F?

• AF = H + TS
• BF = H - TS
• CF = U – TS
• DF = U + TV

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