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Mechanical Engineering

2023 · Paper 1

Take it one question at a time. Try an answer, then check your understanding.

Complete GATE ME 2023 Paper 1 overview, original pages and practice · Timed previous-paper practice

Questions 64–65 of 65. Imported answers require review unless explicitly marked reviewed.

Paper practice 65 questionsPage 22 of 22

Question 64

Open question
MENAT2 marksNeeds review
The figure shows two fluids held by a hinged gate. The atmospheric pressure is

kPa. The moment per unit width about the base of the hinge is ____________ kN·m/m. (Rounded off to one decimal place)
Take the acceleration due to gravity to be

.
Diagram for Mechanical Engineering question 64


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Question 65

Open question
MENAT2 marksNeeds review
An explosion at time

releases energy

at the origin in a space filled with a gas of density

. Subsequently, a hemispherical blast wave propagates radially outwards as shown in the figure.
Let R denote the radius of the front of the hemispherical blast wave. The radius R follows the relation

, where k is a dimensionless constant. The value of exponent a is __________.
(Rounded off to one decimal place)
Diagram for Mechanical Engineering question 65


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