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Mechanical Engineering: Technical Quiz 17
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Question 1
A fluid having kinematic viscosity 0.9 stoke is flowing through a pipe of 10 cm diameter. The flow through the pipe becomes critical at velocity(m/s) of?
Question 2
The cross-section areas of various sections of the gating system are as follows:
Base of sprue = 2 mm2
Ingates = 4
Pouring cup = 8
Runner = 3
Find the gating ratio for the system?
Base of sprue = 2 mm2
Ingates = 4
Pouring cup = 8
Runner = 3
Find the gating ratio for the system?
Question 3
The critical radius of insulation for a spherical shell is
Question 4
If the temperature of a solid surface changes from to , then its emissive power changes in the ration of nearly
Question 5
The heat removal rate from a refrigerated space is 7.2 kW and the power input to the compressor is 1.8 kW. The coefficient of performance (COP) of the refrigerator is
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ESE & GATE MEGeneralFeb 22ESE & GATE ME