GATE ME 2014 Set 3 | GATE ME Year Wise Previous Years Questions

GATE ME 2014 Set 3

MCQ (Single Correct Answer)

-0.3

Which one of the following pairs of equations describes an irreversible heat engine?

$$\oint {\delta Q} > 0\,\,$$ and $$\oint {{{\delta Q} \over T}} < 0$$

$$\oint {\delta Q} > 0\,\,\,\,and\,\,\,\oint {{{\delta Q} \over T}} < 0$$

$$\oint {\delta Q} > 0\,\,\,\,and\,\,\,\oint {{{\delta Q} \over T}} > 0$$

$$\oint {\delta Q} < 0\,\,\,\,and\,\,\,\oint {{{\delta Q} \over T}} > 0$$

GATE ME 2014 Set 3

Numerical

-0

An amount of $$100$$ $$kW$$ of heat is transferred through a wall in steady state. One side of the wall is maintained at $${127^ \circ }C$$ and the other side at $${27^ \circ }C$$. The entropy generated $$($$in $$W/K)$$ due to the heat transfer through the wall is _____________

Your input ____

GATE ME 2014 Set 3

Numerical

-0

A source at temperature of $$500K$$ provides $$1000$$ $$kJ$$ of heat. The temperature of environment is $${27^ \circ }C.$$ The maximum useful work (in $$kJ$$) that can be obtained from the heat source is __________

Your input ____

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