Fluid Mechanics

Coefficient of contraction for an external cylindrical mouthpiece is_________________?

Byadmin January 17, 2019August 12, 2021

Coefficient of contraction for an external cylindrical mouthpiece is_________________?

A. 1.00
B. 0.855
C. 0.7H
D. 0.611

Fluid Mechanics

Ay between two stream lines represents________________?

Ay between two stream lines represents________________?

A. velocity
B. discharge
C. head
D. pressure

Read More Ay between two stream lines represents________________?
Fluid Mechanics

The boundary layer thickness at a distance of l m from the leading edge of a flat plate, kept at zero angle of incidence to the flow direction, is O.l cm. The velocity outside the boundary layer is 25 ml sec. The boundary layer thickness at a distance of 4 m is__________________?

The boundary layer thickness at a distance of l m from the leading edge of a flat plate, kept at zero angle of incidence to the flow direction, is O.l cm. The velocity outside the boundary layer is 25 ml sec. The boundary layer thickness at a distance of 4 m is__________________?

A. 0.40 cm
B. 0.20 cm
C. 0.10 cm
D. 0.05 cm
Assume that boundary layer is entirely laminar

Read More The boundary layer thickness at a distance of l m from the leading edge of a flat plate, kept at zero angle of incidence to the flow direction, is O.l cm. The velocity outside the boundary layer is 25 ml sec. The boundary layer thickness at a distance of 4 m is__________________?
Fluid Mechanics

In steady flow of a fluid, the total accele ration of any fluid particle______________?

In steady flow of a fluid, the total accele ration of any fluid particle______________?

A. can be zero
B. is never zero
C. is always zero
D. is independent of coordinates

Read More In steady flow of a fluid, the total accele ration of any fluid particle______________?
CHEMICAL ENGINEERING | Fluid Mechanics

In case of a __________ the energy of flow is considerably decreased downstream of the machine.

Question: In case of a __________ the energy of flow is considerably decreased downstream of the machine.
[A].

blower
[B].
turbine
[C].
centrifugal pump
[D].
centrifugal fan

Answer: Option B

Explanation:

No answer description available for this question.

Read More In case of a __________ the energy of flow is considerably decreased downstream of the machine.
CHEMICAL ENGINEERING | Fluid Mechanics

In case of a centrifugal pump, the ratio of total delivered pressure to pressure developed with the impeller is called the __________ efficiency.

Question: In case of a centrifugal pump, the ratio of total delivered pressure to pressure developed with the impeller is called the __________ efficiency.
[A].

manometric
[B].
mechanical
[C].
volumetric
[D].
overall

Answer: Option A

Explanation:

No answer description available for this question.

Read More In case of a centrifugal pump, the ratio of total delivered pressure to pressure developed with the impeller is called the __________ efficiency.
CHEMICAL ENGINEERING | Fluid Mechanics

The boundary layer thickness at a given section along a flat plate __________ with increasing Reynold’s number.

Question: The boundary layer thickness at a given section along a flat plate __________ with increasing Reynold’s number.
[A].

increases
[B].
decreases
[C].
remains same
[D].
may increase or decrease

Answer: Option B

Explanation:

No answer description available for this question.

Read More The boundary layer thickness at a given section along a flat plate __________ with increasing Reynold’s number.