Flow at constant rate through a tapering pipe is________________?

Question: Cd is always __________ Cc.
[A].

greater than

[B].

less than

[C].

equal to

[D].

either more or less than

Answer: Option A

Explanation:

No answer description available for this question.

Question: As per Newton’s law of viscosity, the shear stress for a given rate of angular deformation of fluid is proportional to(where, μ = fluid viscosity)
[A].

1/μ

[B].

μ

[C].

μ2

[D].

1/μ2

Answer: Option B

Explanation:

No answer description available for this question.

Question: A lubricant 100 times more viscous than water would have a viscosity (in Pa.s)
[A].

0.01

[B].

0.1

[C].

1

[D].

10

Answer: Option B

Explanation:

No answer description available for this question.

Question: A pipe is defined as ‘hydraulically smooth’, if the friction factor
[A].

is not a function of Reynolds number.

[B].

for a given Reynolds number remains constant even on further smoothening of the pipe.

[C].

is zero irrespective of the Reynolds number.

[D].

none of these.

Answer: Option B

Explanation:

No answer description available for this question.

Question: Working principle of manometer comprises of balancing a coloumn of liquid against the pressure to be measured. Inclined tube manometer is especially used for the measurement of __________ pressure.
[A].

small differential

[B].

atmospheric

[C].

absolute

[D].

gage

Answer: Option A

Explanation:

No answer description available for this question.

Question: Buoyant force
[A].

for non-symmetrical bodies is not vertical.

[B].

depends on the depth of the submergence of the floating body.

[C].

depends on the weight of the floating body.

[D].

none of these.

Answer: Option C

Explanation:

No answer description available for this question.