Properties of Fluids MCQs

Welcome to our comprehensive collection of Multiple Choice Questions (MCQs) on Properties of Fluids, a fundamental topic in the field of Fluid Mechanics. Whether you're preparing for competitive exams, honing your problem-solving skills, or simply looking to enhance your abilities in this field, our Properties of Fluids MCQs are designed to help you grasp the core concepts and excel in solving problems.

In this section, you'll find a wide range of Properties of Fluids mcq questions that explore various aspects of Properties of Fluids problems. Each MCQ is crafted to challenge your understanding of Properties of Fluids principles, enabling you to refine your problem-solving techniques. Whether you're a student aiming to ace Fluid Mechanics tests, a job seeker preparing for interviews, or someone simply interested in sharpening their skills, our Properties of Fluids MCQs are your pathway to success in mastering this essential Fluid Mechanics topic.

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Properties of Fluids MCQs | Page 3 of 12

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Q21.
Calculate the specific weight and weight of 20dm³ of petrol of specific gravity 0.6.

a.

5886,117.2

b.

5886,234.2

c.

11772,117.2

d.

None of the mentioned

Discuss
Answer: (a).5886,117.2
Q22.
If 200m³ of fluid has a weight of 1060N measured on the planet having acceleration due to gravity 6.625m/s², what will be it’s specific volume?

a.

0.8

b.

0.7

c.

0.9

d.

0.5

Discuss
Answer: (a).0.8
Q23.
For an incompressible fluid does density vary with temperature and pressure?

a.

It varies for all temperature and pressure range

b.

It remains constant

c.

It varies only for lower values of temperature and pressure

d.

It varies only for higher values of temperature and pressure

Discuss
Answer: (b).It remains constant
Q24.
Specific gravity is what kind of property?

a.

Intensive

b.

Extensive

c.

None of the mentioned

d.

It depends on external conditions

Discuss
Answer: (a).Intensive
Q25.
If there is bucket full of oil and bucket full of water and you are asked to lift them, which one of the two will require more effort given that volume of buckets remains same?

a.

Oil bucket

b.

Water bucket

c.

Equal effort will be required to lift both of them

d.

None of the mentioned

Discuss
Answer: (b).Water bucket
Q26.
If the fluid has specific weight of 10N/m³ for a volume of 100dm³ on a planet which is having acceleration due to gravity 20m/s² , what will be its specific weight on a planet having acceleration due to gravity 4m/s²?

a.

5 N/m³

b.

50 N/m³

c.

2 N/m³

d.

10 N/m³

Discuss
Answer: (c).2 N/m³
Q27.
Should Specific Wieght of incompressible fluid only be taken at STP?

a.

Yes, as specific weight may show large variation with temperature and pressure

b.

No, it can be taken for any temperature and pressure

c.

It should be taken at standard temperature but pressure may be any value

d.

It should be taken at standard pressure but temperature may be any value

Discuss
Answer: (b).No, it can be taken for any temperature and pressure
Q28.
An instrument with air as fluid was involved in some experiment( specific volume was the characteristic property utilized) which was conducted during day in desert. Due to some reason experiment couldn’t be conducted during day and had to be conducted during night. However there were considerable errors in obtained values. What might be the reason of these errors?

a.

It was human error

b.

It was instrumental error

c.

Error was due to the fact that experiment was conducted at night

d.

None of the mentioned

Discuss
Answer: (c).Error was due to the fact that experiment was conducted at night
Q29.
A stone weighed 177 N on earth. It was dropped in to oil of specific gravity 0.8 on a planet whose acceleration due to gravity is 5m/s². It displaced oil having weight of 100N. What was the volume of oil displaced by the stone?

a.

25 Litres

b.

15 Litres

c.

25 m³

d.

None of the mentioned

Discuss
Answer: (a).25 Litres
Q30.
An compressible fluid’s specific gravity was measured on earth, on a planet having acceleration due to gravity 5.5 times that of earth, and in space at STP. Where will it be having highest value?

a.

on the earth

b.

on the planet

c.

in the space

d.

it will be constant everywhere

Discuss
Answer: (d).it will be constant everywhere
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