## Marks 1

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A heat pump absorbs $$10$$ $$kW$$ of heat from outside environment at $$250$$ $$K$$ while absorbing $$15$$ $$kW$$ of wor...
GATE ME 2017 Set 1
The heat removal rate from a refrigerated space and the power input to the compressor are $$7.2$$ $$kW$$ and $$1.8$$ $$k... GATE ME 2016 Set 2 The$$COP$$of a Carnot heat pump operating between$${6^ \circ }C$$and$${37^ \circ }C$$is ____________ GATE ME 2015 Set 2 A Carnot engine$$(CE$$-$$1)$$works between two temperature reservoirs$$A$$and$$B,$$where$${T_A} = 900K$$and$${T...
GATE ME 2015 Set 1
A reversed Carnot cycle refrigerator maintains a temperature of $$- {5^ \circ }C.$$ The ambient air temperature is $${3... GATE ME 2014 Set 4 The following four figures have been drawn to represent a fictitious thermodynamic cycle, on the$$P$$-$$v$$and$$T$$-... GATE ME 2005 An industrial heat pump operates between the temperatures of$${27^ \circ }C$$and$$ - {13^ \circ }C.$$The rates of he... GATE ME 2003 Consider a refrigerator and a heat pump working on the reversed Carnot cycle between the same temperature limits. Which ... GATE ME 1995 In the case of a refrigeration system undergoing an irreversible cycle,$$\oint {{{SQ} \over T}} $$is _____________$$\...
GATE ME 1995
Any thermodynamic cycle operating between two temperature limits is reversible if the product of efficiency when operati...
GATE ME 1994
A reversible heat transfer demands:
GATE ME 1993
A condenser of a refrigeration system rejects heat at a rate of $$120$$ $$kW,$$ while its compressor consumes a power of...
GATE ME 1992

## Marks 2

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A reversible cycle receives $$40$$ $$kJ$$ of heat from one heat source at a temperature of $${127^ \circ }C$$ and $$37$$...
GATE ME 2016 Set 2
A reversible heat engine receives $$2$$ $$kJ$$ of heat from a reservoir at $$1000$$ $$K$$ and a certain amount of heat f...
GATE ME 2014 Set 1
A heat transformer is a device that transfers a part of the heat, supplied to it at an intermediate temperature, to a hi...
GATE ME 2007
An irreversible heat engine extracts heat from a high temperature source at a rate of $$100kW$$ and rejects heat to a si...
GATE ME 2007
A heat engine having an efficiency of $$70\%$$ is used to drive a refrigerator having a coefficient of performance of $... GATE ME 2004 A solar collector receiving solar radiation at the rate of $$0.6$$$$kW/{m^2}$$ transforms it to the internal energy of a... GATE ME 2004 A Carnot cycle is having an efficiency of $$0.75.$$ If the temperature of the high temperature reservoir is $${727^ \cir... GATE ME 2002 A cyclic heat engine does$$50kJ$$of work per cycle. If the efficiency of the heat engine is$$75\% $$, then heat ... GATE ME 2001 A solar energy based heat engine which receives$$80kJ$$of heat at$${100^ \circ }C$$and rejects$$70kJ$$of... GATE ME 1996 For two cycles coupled in series, the topping cycle has an efficiency of$$30\% $$and the bottoming cycle has an effici... GATE ME 1996 Round the clock cooling of an apartment having a load of$$300MJ/day$\$ requires and air-conditioning plant of capac...
GATE ME 1993

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#### Graduate Aptitude Test in Engineering

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