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DMRC 2018 Mechanical Engineering Quiz 5

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Question 1

Steel which destroys by burning is called __________.

Question 2

__________ is added to raise the yield point of low carbon steel.

Question 3

Chilled cast iron is _______.

Question 4

Steel containing 11% to 14% chromium and 0.35% carbon is called ______.

Question 5

Steel whose elements are used for the purpose of modifying the mechanical properties of plain carbon steel is called ___________.

Question 6

Hardness of martensite is about

Question 7

The fixed point/points for Celsius temperature scale is/are:
( After 1954 Temperature measurement)

Question 8

The equation of effectiveness ϵ = 1 – e^-NTU for a heat exchanger is valid in the case of

Question 9

The intensity of irradiation(I_G) and irradiation(G) is related as I_G = G/K, K is equals to

Question 10

For a plane surface emitting radiation, the view factor of the plane surface with itself is

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Apr 20ESE & GATE ME