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SSC JE 2019 - 20 Technical Quiz 32
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Question 1
A carnot heat pump works between temperature limits of 177 ºC and 27 ºC. Its COP is __.
Question 2
There is a two-stage compressor with ideal intercooling. The intermediate pressure (P2) in terms of condenser pressure (P1) and evaporator pressure (P3) for the minimum work is
Question 3
Rankine’s theory is good for____.
Question 4
In the calculation of induced shear stress in helical springs, the Wahl’s correction factor us used to take care of
Question 5
The wet bulb depression is zero, when relative humidity is equal to
Question 6
Which of the following measuring device is used to measure cutting force.
Question 7
Boundary layer flow seperates from the surface if
Question 8
A body that reflects all the incident thermal radiations is called a
Question 9
A 2kW electric resistance heater submerged in 5 kg water is turned on and kept on for 10 min. During the process 300 kJ of heat is lost from the water the temperature rise of water is.
Question 10
What is the velocity of steam (in m/sec) at exit across a steam whistle which is perfectly insulated and does not perform any work and undergoes a drop of 0.2 kJ/kg in enthalpy from entry to exit?
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ESE & GATE MEGeneralApr 19ESE & GATE ME