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GATE ME 2020: Thermodynamics Rapid Quiz 2 (App update required to attempt this test)
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Question 1
Match List-1 (Refrigerant) with List-2 (Uses) and select the correct answer using the code given below the List
Question 2
In a simple vapour compression refrigeration plant, for 3kg/s of refrigerant, the refrigeration effect is 180 KW. If the refrigerant leaves the evaporator at 300kJ/kg, find out enthalpy at the condenser exit.
Question 3
The mean effective pressure of an Otto cycle can be expressed as:
[where,
= Pressure rise during heat addition]
[where,
= Pressure rise during heat addition] Question 4
A blower handles 1 kg/s of air at 20 
. The air velocities at the inlet and outlet are 100 m/s and 150 m/s . Assuming adiabatic conditions, the exit temperature of the air is _________ C.
. The air velocities at the inlet and outlet are 100 m/s and 150 m/s . Assuming adiabatic conditions, the exit temperature of the air is _________ C.Question 5
A carnot engine with 50 percent thermal efficiency is used to drive a carnot refrigerator having a coefficient of performance of 5. The energy absorbed by the engine for each kJ energy absorbed from the cold body by the refrigerator is _________kJ.
Question 6
In a gas turbine, hot combustion products enter the turbine at 18 bar 1400 K and exit at 1 bar. The isentropic efficiency of turbine is 0.96. Ratio of specific heats for combustion product is 1.3 and CV = 0.77kJ/kg-k. The work developed by the turbine is __________ kJ/kg.
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