GATE XE 2025 Paper 1 — page 33

Questions 97–99 of 175. Imported answers require review unless explicitly marked reviewed.

For an ideal gas turbine cycle,

and

are the compressor inlet temperature and turbine inlet temperature respectively. The ratio

is denoted by

and the ratio of specific heats is denoted by

. For any given

, the optimum pressure ratio for the maximum specific work output is

Your answerChoose one option.

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For a pure substance that expands on freezing, which of the following statement(s) is/are CORRECT

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

Temperature of the liquid phase can be lower than the temperature at the triple point

Critical pressure is equal to the pressure at the triple point

Highest pressure at which the vapour phase can exist is the pressure at the triple point

Highest temperature at which solid-liquid phase change can happen is the temperature at the triple point

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Consider a gas obeying the relation

, where b and R are constants. Which of the following statement(s) is/are CORRECT about the specific heat capacity at constant pressure?

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

It is independent of temperature

It is a function of pressure

It is a function of temperature

It is independent of both specific volume and pressure

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2025 · Paper 1