Engineering Sciences
2023 · Paper 1
Take it one question at a time. Try an answer, then check your understanding.
Complete GATE XE 2023 Paper 1 overview, original pages and practice · Timed previous-paper practice
Questions 28–30 of 175. Imported answers require review unless explicitly marked reviewed.
Question 28
Open questionXE-BMCQ1 markNeeds review
Which of the following statements are true?
(i) Conservation of mass for an unsteady incompressible flow can be represented as
, where
denotes velocity vector.(ii) Circulation is defined as the line integral of vorticity about a closed curve.
(iii) For some fluids, shear stress can be a non-linear function of the shear strain rate.
(iv) Integration of the Bernoulli’s equation along a streamline under steady-state leads to the Euler’s equation.
Your answerChoose one option.
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Open questionXE-BMCQ1 markNeeds review
For a two-dimensional flow field given as
, a streamline passes through points
and
. The value of
isYour answerChoose one option.
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Open questionXE-BMSQ1 markNeeds review
A stationary object is fully submerged in a static fluid, as shown in the figure. Here, CG and CB stand for center of gravity and center of buoyancy, respectively. Which one(s) among the following statements are true?
Your answerSelect all correct options. You can choose more than one.
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