GATE ME 1993 | GATE ME Year Wise Previous Years Questions

GATE ME 1993

MCQ (Single Correct Answer)

-0.6

Round the clock cooling of an apartment having a load of $$300$$ $$MJ/day$$ requires and air-conditioning plant of capacity about

$$1$$ ton

$$5$$ tons

$$10$$ tons

$$100$$ tons

GATE ME 1993

MCQ (Single Correct Answer)

-0.3

When a system executes an irreversible cycle:

$$\oint {{{\delta Q} \over T}} < 0$$

$$\oint {dS > 0} $$

$$\oint {dS = 0} $$

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

GATE ME 1993

MCQ (Single Correct Answer)

-0.3

Which among the following relations is/are valid ONLY for reversible process undergone by a pure substance?

$$\delta Q = dU + \delta W$$

$$T\,ds = dU + \delta W$$

$$T\,ds = dU + p\,dv$$

$$\delta Q = p\,dv + dU$$

GATE ME 1993

Subjective

-0

Figure below shows a reversible heat engine $${E_R}$$ having heat interactions with three constant temperature systems. Calculate the thermal efficiency of the heat engine. GATE ME 1993 Thermodynamics - Entropy and Irreversibility Question 17 English

GATE ME 1993 Thermodynamics - Entropy and Irreversibility Question 17 English

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