2024 · Paper 1

Complete GATE XE 2024 Paper 1 overview, original pages and practice · Timed previous-paper practice

Questions 91–93 of 175. Imported answers require review unless explicitly marked reviewed.

Question 91

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XE-EMCQ1 markNeeds review

The figure shows four different processes labeled 1, 2, 3, and 4 for the same closed system containing an ideal gas. The curves labeled



,



, and



are isotherms. For which one of the four processes, the magnitude of internal energy change is the highest?



Your answerChoose one option.

A.

Process 1

B.

Process 2

C.

Process 3

D.

Process 4

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Question 92

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XE-EMCQ1 markNeeds review

A power plant operates on a simple ideal Rankine cycle. If superheating is added to this cycle, then which one of the following options is CORRECT?

Your answerChoose one option.

A.

Pump work increases, turbine work output increases, cycle efficiency increases, and moisture content at turbine exit increases

B.

Pump work remains same, turbine work output increases, cycle efficiency increases, and moisture content at turbine exit increases

C.

Pump work remains same, turbine work output increases, cycle efficiency increases, and moisture content at turbine exit decreases

D.

Pump work decreases, turbine work output increases, cycle efficiency increases, and moisture content at turbine exit decreases

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Question 93

Open question

XE-EMSQ1 markNeeds review

A closed system containing an unknown substance undergoes an adiabatic process governed by the relation



, where



is pressure,



is volume, and



is the ratio of specific heats. For this scenario, which of the following statements is/are always TRUE?

Your answerSelect all correct options. You can choose more than one.

A.

The substance is an ideal gas and process is reversible

B.

The substance is a liquid and process is reversible

C.

The substance is a non-ideal gas and process is reversible

D.

The substance is an ideal gas and process is NOT reversible

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