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SSC JE Mechanical 2017- Daily Quiz 38

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Question 1

Given that, d = diameter of spring, R = mean radius of coils, n = number of coils and G = Modulus of rigidity, the stiffness of the close-coiled helical spring subject to an axial local W is equal to

Question 2

In which type of welding arc is maintained under pool of molten metal used?

Question 3

Which of the following ratio is known as schmidt number ?

Question 4

Train value of a gear train is

Question 5

Impulse turbine is used for _____.
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