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SSC JE Mechanical 2017- Daily Quiz 32

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Question 1

Which one of the following numbers represents the ratio of kinematic viscosity to the thermal diffusivity?

Question 2

Laminar developed flow at an average velocity of 5 m/s occurs in a pipe of 10 cm radius. The velocity at 5 cm radius is

Question 3

In a simple gear train, if the number idler gear is odd. Then the direction of motion of driven gear will

Question 4

The cutting tool that performes orthogonal cutting is

Question 5

A closely coiled helical spring of diameter D, contains n turns and is subjected to an axial load W. If the diameter of the coil wire is d and Modulus of the rigidity of the coil material is G, the deflection of the coil is:

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