SSC JE Mechanical Engineering 25th May 2014 Shift-1

Instructions

For the following questions answer them individually

Question 141

Two tensile forces, each of magnitude F are acting at a point perpendicular to each other, then their resultant force will be:

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Question 142

The Taylor’s correlation between the cutting speed (V) and the tool life (T) is given by:

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Question 143

The co-efficient of discharge, velocity and contraction Cd, Cv and Cc are related as:

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Question 144

The expression for capillary rise is given by when, $$\sigma$$ surface tension, $$\theta$$ -angle of contact and $$\rho$$ - density

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Question 145

Notch is a device used for measuring:

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Question 146

Which cross-section of a cantilever beam which is loaded with UDL can give economical design:

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Question 147

What torque is Nm is required to give 3m3/s of water, a moment of momentum, so that it has a tangential velocity of 3 m/s at a distance of 1.8m from the axis?

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Question 148

The device which permits the connection and disconnection of shafts is:

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Question 149

Heating wet steam at constant temperature is the same as heating at consonant:

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Question 150

The term bleeding in a steam turbine refer to:

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