If the weight of a body immersed in a fluid exceeds the buoyant force, then the body will________________?

Byadmin January 17, 2019August 12, 2021

If the weight of a body immersed in a fluid exceeds the buoyant force, then the body will________________?

A. rise until its weight equals the buoyant force
B. tend to move downward and it may finally sink
C. float
D. none of the above

Fluid Mechanics

The bulk modulus of elasticity with increase in pressure__________________?

The bulk modulus of elasticity with increase in pressure__________________?

A. increases
B. decreases
C. remains constant
D. increases first up to certain limit and then decreases
E. unpredictable

Read More The bulk modulus of elasticity with increase in pressure__________________?
CHEMICAL ENGINEERING | Fluid Mechanics

Check valve provided in the discharge line of a centrifugal pump serves the purpose of controlling the

Question: Check valve provided in the discharge line of a centrifugal pump serves the purpose of controlling the
[A].

back flow of fluid in the event of stoppage of pump.
[B].
discharge pressure.
[C].
flow of liquid during operation of the pump.
[D].
all (a), (b) and (c).

Answer: Option A

Explanation:

No answer description available for this question.

Read More Check valve provided in the discharge line of a centrifugal pump serves the purpose of controlling the
Fluid Mechanics

For laminar flow in a pipe of circular cross-section, the Darcy’s friction factor f is________________?

For laminar flow in a pipe of circular cross-section, the Darcy’s friction factor f is________________?

A. directly proportional to Reynolds number and independent of pipe wall roughness
B. directly proportional to pipe wall roughness and independent of Reynolds number
C. inversely proportional to Reynolds number and indpendent of pipe wall roughness
D. inversely proportional to Reynolds number and directly proportional to pipe wall roughness

Read More For laminar flow in a pipe of circular cross-section, the Darcy’s friction factor f is________________?
Fluid Mechanics

Due to each end contraction, the discharge of rectangular sharp crested weir is reduced by________________?

Due to each end contraction, the discharge of rectangular sharp crested weir is reduced by________________?

A. 5%
B. 10%
C. 15%
D. 20%

Read More Due to each end contraction, the discharge of rectangular sharp crested weir is reduced by________________?
CHEMICAL ENGINEERING | Fluid Mechanics

Minimum porosity for fluidisation is

Question: Minimum porosity for fluidisation is
[A].

that corresponding to static bed.
[B].
that corresponding to completely fluidised bed.
[C].
the porosity of the bed when true fluidisation begins.
[D].
less than that of the’ static bed.

Answer: Option C

Explanation:

No answer description available for this question.

Read More Minimum porosity for fluidisation is
CHEMICAL ENGINEERING | Fluid Mechanics

Boundary layer separation is characterised by one of the conditions given below, where ‘Re’ is the Reynolds number for the flow. Select the appropriate conditions.

Question: Boundary layer separation is characterised by one of the conditions given below, where ‘Re’ is the Reynolds number for the flow. Select the appropriate conditions.
[A].

Re << 1, accelerating flow
[B].
Re >> 1, accelerating flow
[C].
Re << 1, decelerating flow
[D].
Re >>1, decelerating flow

Answer: Option D

Explanation:

No answer description available for this question.

Read More Boundary layer separation is characterised by one of the conditions given below, where ‘Re’ is the Reynolds number for the flow. Select the appropriate conditions.

Similar Posts