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NLC Technical Quiz 44

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Question 1

ASTM stands for

Question 2

Pitot tube is used for measurement of

Question 3

Temperature and velocity profiles are identical when the dimensionless Prandtl number is

Question 4

For two infinite parallel gray planes with emissivities ∈1= ∈2 = 0.5, the  view factor of each plate  is

Question 5

The Stefan-Boltzmann constant has units of

Question 6

Increase in compression ratio in diesel engine ___________ delay period.

Question 7

In case of spherical bodies submerged in water having uniform mass distribution, what is the position of centre of pressure relative to centre of gravity.

Question 8

What type of boiler is a Velox boiler _________?
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