GATE XE topic:flow-fluid-properties PYQs & Answers

Questions 1–10 of 29. Imported answers require independent review unless marked reviewed.

Consider the following statements:

Assertion (a)

Surface tension acts along the interface of two fluids.

Reason (r)

The pressure of the fluid inside a bubble is higher than that of the fluid outside the bubble.

Which one of the following options is correct?

Your answerChoose one option.

Both (a) and (r) are true, and (r) is the correct explanation of (a).

Both (a) and (r) are true, however (r) is not the correct explanation of (a).

(a) is true, but (r) is false.

(a) is false, but (r) is true.

You can attempt this question now. Sign in to view the answer key, explanations and discussion.Log in to check answer

The basic dimensions, i.e., mass, length, and time are represented by M, L, and T, respectively. The correct dimension of dynamic viscosity is

Your answerChoose one option.

You can attempt this question now. Sign in to view the answer key, explanations and discussion.Log in to check answer

A gas is pressurized in a vertical frictionless piston-cylinder device, as shown in the figure. The piston has a mass of 4 kg and a cross-sectional area of 40 cm

. A metallic block of 13 kg is placed on the piston. The atmospheric pressure (

) is 1 bar. Assume acceleration due to gravity as 10 m.s

. The pressure inside the cylinder,

(in bar) is __________. (rounded off to three decimal places)

Diagram for Engineering Sciences question 38

You can attempt this question now. Sign in to view the answer key, explanations and discussion.Log in to check answer

A rectangular block (density = 600 kg.m

) with base area of 0.06 m

and height 15 cm is partially submerged in water (density = 1000 kg.m

), as shown in the figure. Assume acceleration due to gravity as 10 m.s

. The submerged depth,

(in m) of the block in the water is __________. (rounded off to two decimal places)

Diagram for Engineering Sciences question 40

You can attempt this question now. Sign in to view the answer key, explanations and discussion.Log in to check answer

Group-I indicates different properties of fluid and Group-II defines their basic dimensions in terms of Force (

), Length (

), and Time (

Group-I	Group-II
P: Dynamic viscosity	1:
Q: Surface tension	2:
R: Density	3:

Which one of the following options identifies the correct match between Group-I and Group-II?

Your answerChoose one option.

P–1, Q–3, R–2

P–2, Q–1, R–3

P–3, Q–2, R–1

P–2, Q–3, R–1

You can attempt this question now. Sign in to view the answer key, explanations and discussion.Log in to check answer

A solid body of uniform specific gravity floats in a deep liquid pool. Take

, and

as the centre of buoyancy, centre of gravity, and metacentre of the body, respectively. Which one of the following options is correct for the stable flotation of the body in the pool when the body is given a small tilt angle?

Your answerChoose one option.

is the metacentric height and

should lie below

is the metacentric height and

should lie above

is the metacentric height and

should lie below

is the metacentric height and

should lie above

You can attempt this question now. Sign in to view the answer key, explanations and discussion.Log in to check answer

Which one of the following figures shows the CORRECT dependence of apparent viscosity (

) on rate of shear strain (

) for pseudoplastic fluids?

Your answerChoose one option.

Diagram for Engineering Sciences question 22

Diagram for Engineering Sciences question 22 (figure 2)

Diagram for Engineering Sciences question 22 (figure 3)

Diagram for Engineering Sciences question 22 (figure 4)

You can attempt this question now. Sign in to view the answer key, explanations and discussion.Log in to check answer

For an immersed neutrally buoyant body to be in stable equilibrium, the center of gravity of the body is directly

Your answerChoose one option.

above the metacenter.

below the metacenter.

above the center of buoyancy.

below the center of buoyancy.

You can attempt this question now. Sign in to view the answer key, explanations and discussion.Log in to check answer

The absolute pressure in a chamber is measured as 400 mm Hg at a location where the atmospheric pressure is 700 mm Hg. A vacuum gauge connected to the chamber reads ________ mm Hg (answer in integer).

You can attempt this question now. Sign in to view the answer key, explanations and discussion.Log in to check answer

A vessel which contains a volatile liquid and its vapour is connected with a mercury manometer as shown in figure. Both the liquid and vapour phases are at equilibrium. The vapour pressure and density of the volatile liquid are 107.6 kPa and 700 kg/m

, respectively. The density of the mercury is 13600 kg/m

. Acceleration due to gravity (

) is 10 m/s

and atmospheric pressure is 101 kPa. Hydrostatic pressure created by the weight of the vapour is neglected.

Diagram for Engineering Sciences question 35

The height, h (in m, rounded off to two decimal places) of the mercury column in figure is ________.

You can attempt this question now. Sign in to view the answer key, explanations and discussion.Log in to check answer

GATE XE topic:flow-fluid-properties PYQs

How to practice topic:flow-fluid-properties

Question 26

Question 27

Question 38

Question 40

Question 28

Question 33

Question 22

Question 29

Question 30

Question 35