Test: Strength of Materials - 3 - Mechanical Engineering MCQ
25 Questions MCQ Test Mechanical Engineering SSC JE (Technical) - Test: Strength of Materials - 3
the enthalpy reading of a refrigerator are
i. at inlet to compressor → 2000 kJ/kg.
ii. at exit of compressor → 2500 kJ/kg.
iii. at exit of condenser → 500 kJ/kg.
The COP of the refrigerator is .
i. at inlet to compressor → 2000 kJ/kg.
ii. at exit of compressor → 2500 kJ/kg.
iii. at exit of condenser → 500 kJ/kg.
The COP of the refrigerator is .
A VCRS has a COP of 5. If it requires a workinput of -2kw then the heat rejected by it toenvironment is .
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The mass flow rate in a refrigeration plant is 2kg/s and its refrigeration effect in 10 kJ/kg. TheRefrigeration capacity of the plant is.
The enthalpy in a VCRS at exit of condenser is500 kJ. The refrigeration effect is 1000 kJ. Theenthalpy at the start of compression is
In expansion value of a refrigerator the followingproperty remains constant.
The type of value used reciprocating refrigerantcompressors is.
Which of the following is an Ideal Refrigerationcycle.
It the same engine is used as Refrigerator andHeat pump their COPs are relate as:-
Ice is to be produced using a refrigerator in summer and than in winter. than
for a refrigeration cycle the critical point shouldbe
At saturated vapour line the value of dryness fraction is
Which of the following is disadvantage of wetcompression
COP of a cascade Refrigeration system is given as.
Which of the following are be used as secondaryrefrigerant.
Which of the following group of refrigerant hasozone depletion capability.
Which of the following has undesirable critical temperature for indian summer.
Which of the following should be property of arefrigerant.
For the measurement of quality, the state of the substance is brought from the two-phase region to
A Brayton cycle is working under a pressure ratio of 4. it in then reversed to use as an refrigeration
cycle. its cop is
In psychrometric chart which of the following properties is fixed
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5 videos|103 docs|59 tests
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5 videos|103 docs|59 tests
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