Mechanical Engineering
2021 · Paper 1
Take it one question at a time. Try an answer, then check your understanding.
Complete GATE ME 2021 Paper 1 overview, original pages and practice · Timed previous-paper practice
Questions 22–24 of 65. Imported answers require review unless explicitly marked reviewed.
Question 12
Open questionMEMCQ1 markNeeds review
Superheated steam at 1500 kPa, has a specific volume of 2.75 m
/kmol and compressibility factor (
) of 0.95. The temperature of steam is ______°C (round off to the nearest integer).Your answerChoose one option.
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Open questionMEMCQ1 markNeeds review
A hot steel spherical ball is suddenly dipped into a low temperature oil bath. Which of the following dimensionless parameters are required to determine instantaneous center temperature of the ball using a Heisler chart?
Your answerChoose one option.
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You can attempt this question now. Sign in to view the answer key, explanations and discussion.Log in to check answerQuestion 14
Open questionMEMCQ1 markNeeds review
An infinitely long pin fin, attached to an isothermal hot surface, transfers heat at a steady rate of
to the ambient air. If the thermal conductivity of the fin material is doubled, while keeping everything else constant, the rate of steady-state heat transfer from the fin becomes
. The ratio
isYour answerChoose one option.
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