2021 · Paper 1

Complete GATE XE 2021 Paper 1 overview, original pages and practice · Timed previous-paper practice

Questions 43–45 of 175. Imported answers require review unless explicitly marked reviewed.

Question 22

Open question

XE-BNAT2 marksNeeds review

Water is flowing with a flow rate



in a horizontal circular pipe. Due to the low pressure created at the venturi section (Section-1 in the figure), water from a reservoir is drawn upward using a connecting pipe as shown in the figure. Take acceleration due to gravity



m/s



. The flow rate



m



/s,



cm, and



cm. The maximum height (



, in meters, up to one decimal place) of the venturi from the reservoir just sufficient to raise the liquid up to Section-1 is ____________.



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Question 1

Open question

XE-CMCQ1 markNeeds review

Condition to be satisfied for



and



phases to be in equilibrium in a two-component (A and B) system at constant temperature and pressure is (Given:



is the chemical potential)

Your answerChoose one option.

A.

entropy of the system should be maximum

B.

Gibbs energy of the system should be minimum and



C.

Gibbs energy of the system should be minimum and



D.

Helmholtz energy should be minimum

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Question 2

Open question

XE-CMCQ1 markNeeds review

Amino acids react to form peptides and proteins. This process is known as

Your answerChoose one option.

A.

addition polymerization

B.

nucleophilic substitution

C.

condensation polymerization

D.

hydration

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