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Mechanical Engineering Exam  >  Mechanical Engineering Test  >  Fluid Mechanics  >  Test: Pressure & Its Measurement - 2 - Mechanical Engineering MCQ

Pressure & Its Measurement - 2 - Free MCQ Practice Test with solutions,


MCQ Practice Test & Solutions: Test: Pressure & Its Measurement - 2 (10 Questions)

You can prepare effectively for Mechanical Engineering Fluid Mechanics for Mechanical Engineering with this dedicated MCQ Practice Test (available with solutions) on the important topic of "Test: Pressure & Its Measurement - 2". These 10 questions have been designed by the experts with the latest curriculum of Mechanical Engineering 2026, to help you master the concept.

Test Highlights:

  • - Format: Multiple Choice Questions (MCQ)
  • - Duration: 30 minutes
  • - Number of Questions: 10

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Test: Pressure & Its Measurement - 2 - Question 1
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What should be the property of good manometer fluid

Detailed Solution: Question 1

Manometric fluid should have low vapour pressure and high density to have less height of piezometric tube.
Since Mercury have both the property hence this is the reason, Mercury used as Manometric fluid.

Test: Pressure & Its Measurement - 2 - Question 2
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Fluid is a substance which offers no resistance to change of

Detailed Solution: Question 2

A fluid does not offer any resistance to change of shape and deformed under the action of small force.

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Test: Pressure & Its Measurement - 2 - Question 3
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When can a piezometer be not used for pressure measurement in pipes

Detailed Solution: Question 3

Limitations of Piezometer:
1. Piezometers cannot be used to measure pressure which are considerably excess of atmospheric pressure use of very long glass tube would be unsafe. It being both Fragile and unmanageable.
2. Gas pressure cannot be measured as gas does not form any free surface with atmosphere.
3. Measurement of negative pressure is not possible due to flow of atmospheric air into the container through the tube.

Test: Pressure & Its Measurement - 2 - Question 4
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The instrument preferred in the measurement of highly fluctuating velocities in air flows in

Detailed Solution: Question 4

Hot wire anemometer is used in the measurement of highly fluctuating velocities in air flow.

Test: Pressure & Its Measurement - 2 - Question 5
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How is the difference of pressure head h measured by mercury oil differential manometer expressed
where * = Manometer reading
Sg and So are the specific gravities of mercury and oil respectively

Detailed Solution: Question 5


Where
Sg = Specific gravity of Mercury
So = Specific gravity of Oil
Here, Sg > So

Test: Pressure & Its Measurement - 2 - Question 6
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Differential manometer is used to measure

Test: Pressure & Its Measurement - 2 - Question 7
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In order to increase sensitivity of U-tube manometer, one leg is usually inclined by angle θ, sensitivity of inclined tube to sensitivity of U-tube equal to

Detailed Solution: Question 7


Test: Pressure & Its Measurement - 2 - Question 8
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The specific weight of ocean water changes according to the equation where w0 = specific weight of ocean water at the free surface, then pressure as a function of depth is

Detailed Solution: Question 8

Test: Pressure & Its Measurement - 2 - Question 9
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The standard atmospheric pressure is 762 mm of Hg. At a specific location, the barometer reads 700 mm of Hg. At this place, what does at absolute pressure of 380 mm of Hg corresponds to?

Detailed Solution: Question 9

Reference is always taken from atmospheric pressure which is indicated by Barometer. Barometer reads the local atmospheric pressure.
So pressure = 700-380 = 320 mm of Hg vacuum.

Test: Pressure & Its Measurement - 2 - Question 10
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In figure if the pressure of gas in bulb A is 50 cm Hg vacuum and Patm = 76 cm Hg, the height of column H is equal to

Detailed Solution: Question 10

In a fluid at rest, pressure through out the any horizontal line is same.

We have, PA = 50 cm Hg vaccum=-ρhgg50

and, Patm -ρhggH = PA for gauge pressure Patm=0
0 - ρhggH = -ρhgg50 ...[-ve sign for vaccum Pressure]

H=50 cm

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About this Mechanical Engineering Practice Test

This test contains 10 MCQs on Pressure & Its Measurement - 2 with detailed solutions for each question. It is part of the Fluid Mechanics for Mechanical Engineering course on EduRev, designed to align with the current Mechanical Engineering syllabus. Each solution explains not just the correct answer but also gives you an understanding of the topic — not just to attempt the question but also help you prepare for the exam with practice.

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