Question: A manometer can be used to measure vacuum pressures.
[A].

Agree

[B].

disagree

Answer: Option A

Explanation:

No answer description available for this question.

Question: A manometer is used to measure
[A].

atmospneric pressure

[B].

pressure in pipes and channels

[C].

pressure in venturimeter

[D].

difference of pressures between two points in a pipe

Answer: Option B

Explanation:

No answer description available for this question.

Question: A piezometer tube is used only for measuring
[A].

low pressure

[B].

high pressure

[C].

moderate pressure

[D].

vacuum pressure

Answer: Option C

Explanation:

No answer description available for this question.

Question: Gauge pressure at a point is equal to the absolute pressure __________ the atmospheric pressure.
[A].

plus

[B].

minus

Answer: Option B

Explanation:

No answer description available for this question.

Question: The atmospheric pressure at sea level is
[A].

103 kN/m2

[B].

10.3 m of water

[C].

760 mm of mercury

[D].

all of these

Answer: Option D

Explanation:

No answer description available for this question.

Question: According to Pascal’s law, the intensity of pressure at any point in a fluid at rest is the same in all directions.
[A].

Agree

[B].

Disagree

Answer: Option A

Explanation:

No answer description available for this question.

Question: Falling drops of water become spheres due to the property of
[A].

surface tension of water

[B].

compressibility of water

[C].

capillarity of water

[D].

viscosity of water

Answer: Option A

Explanation:

No answer description available for this question.

Question: In the manufacturing of lead shots, the property of surface tension is utilised.
[A].

Agree

[B].

Disagree

Answer: Option A

Explanation:

No answer description available for this question.

Question: A glass tube of small diameter (d) is dipped in fluid. The height of rise or fall in the tube given by (where w = Specific weight of liquid, α = Angle of contact of the liquid surface, and σ = Surface tension)
[A].

[B].

[C].

[D].

Answer: Option C

Explanation:

No answer description available for this question.

Question: A glass tube of smaller diameter is used while performing an experiment for the capillary rise of water because
[A].

it is easier to see through the glass tube

[B].

glass tube is cheaper than a metallic tube

[C].

it is not possible to conduct this experiment with any other tube

[D].

all of the above

Answer: Option A

Explanation:

No answer description available for this question.