Complete GATE XE 2020 Paper 1 overview, original pages and practice · Timed previous-paper practice

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

Paper practice 175 questionsPage 31 of 59

Question 4

Open question
XE-EMCQ1 markNeeds review
The relation between the coefficient of performance of a refrigerator

and the coefficient of performance of a heat pump

is
Your answerChoose one option.

Log in to check the answer

You can attempt this question now. Sign in to view the answer key, explanations and discussion.Log in to check answer

Question 5

Open question
XE-EMCQ1 markNeeds review
If

,

and

are the latent heats of vaporization at the critical temperature of nitrogen, water and ammonia, respectively, then which one of the followings is true?
Your answerChoose one option.

Log in to check the answer

You can attempt this question now. Sign in to view the answer key, explanations and discussion.Log in to check answer

Question 6

Open question
XE-ENAT1 markNeeds review
A new temperature scale (°N) has been proposed where the normal freezing and normal boiling points of water are marked as 500 °N and 100 °N, respectively. If the temperature of a system is measured to be 0 °N, its temperature according to the Celsius scale (in °C) is ________.

Log in to check the answer

You can attempt this question now. Sign in to view the answer key, explanations and discussion.Log in to check answer