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VIZAG Mechanical M.T. Exam. 2017- Technical Mini Mock Test 1

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Question 1

Which one of the following factors is more relevant to present complete solubility of two metals in each other?

Question 2

In which of the following are metal moulds used?

Question 3

What does the reversed ideal Stirling cycle consist of?

Question 4

The boundary layer thickness at a given distance from the leading edge of a flat plate is

Question 5

In a concentric double-pipe heat exchanger where one of the fluids undergoes phase change

Question 6

Which one of the following statements is not correct?

Question 7

What is the safe static tensile load for a M36x4  C bolt of mild steel having yield stress of 280MPa and a factor of safety 1.5?(Core diameter(dc)= 0.84 times Nominal diameter(d))

Question 8

Which one of the following is not used as abrasive material in grinding wheels?

Question 9

What are the normal and shear stresses on the 45 ° planes shown?
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Question 10

Change in internal energy in a reversible process occurring in a closed system is equal to the heat transferred if the process occurs at constant ____.

Question 11

When a bar is  cooled  to -15 0C, it will develop

Question 12

Which one of the following is the correct statement?
In meshing gears with involute gear teeth, the contact begins at the intersection of the

Question 13

What is the condition for dynamic balancing of a shaft-rotor system?

Question 14

At critical point the enthalpy of vaporization is______.

Question 15

Which one of the following statements is correct for a fully developed pipe flow?
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