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XE-E GATE Exam Previous Papers | XE-E GATE Model Papers 2015
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XE-E GATE Exam Previous Papers 2015 | XE-E GATE Model Papers 2015
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GATE Thermodynamics revious Paper 2015 Details
- Total number of Questions = 11
- Q. 1 – Q. 9 carry one mark each
- Q. 10 – Q. 22 carry two mark each
Few Question are listed below for preview: GATE Thermodynamics Previous Paper 2015
1. As per Clausius inequality, a system operating on an irreversible cycle transfers
(A) more entropy to the sink than what it receives from the source
(B) as much entropy to the sink as it receives from the source
(C) less entropy to the sink than what it receives from the source
(D) less entropy to the sink than that corresponding to a reversible cycle
2. The critical point of a substance corresponds to the state
(A) at which the solid, liquid and vapor phases are in equilibrium
(B) beyond which liquid will require very large amount of heat to become vapor
(C) beyond which solid sublimates directly to the vapor state
(D) beyond which the distinction between liquid and vapor phases disappears
3. Consider the process of sensible cooling of air with 60% relative humidity at constant pressure. Which one of the following statements is TRUE for this process?
(A) Both humidity ratio and relative humidity increase during the process.
(B) The humidity ratio decreases continuously due to condensation.
(C) The dry bulb temperature decreases but the wet bulb temperature increases.
(D) The humidity ratio remains constant.
4. The coefficient of performance (COP) of a reversible refrigerator operating between two thermal reservoirs is 4.0. The efficiency (in percentage) of a reversible heat engine operating between the same temperature limits is _______.