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 (Assume that boundary layer is entirely laminar)

Hydraulics and Fluid Mechanics in ME
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 (Assume that boundary layer is entirely laminar)

0.40 cm

0.10 cm

0.05 cm

0.20 cm

0.40 cm

0.10 cm

0.05 cm

0.20 cm

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Hydraulics and Fluid Mechanics in ME
An error of 1% in measuring head over the apex of the notch (H) will produce an error of _________ in discharge over a triangular notch.

0.02

0.025

0.015

0.01

0.02

0.025

0.015

0.01

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Hydraulics and Fluid Mechanics in ME
Slip of a reciprocating pump is defined as the

Difference of theoretical discharge and the actual discharge

Sum of actual discharge and the theoretical discharge

Ratio of actual discharge to the theoretical discharge

Product of theoretical discharge and the actual discharge

Difference of theoretical discharge and the actual discharge

Sum of actual discharge and the theoretical discharge

Ratio of actual discharge to the theoretical discharge

Product of theoretical discharge and the actual discharge

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Hydraulics and Fluid Mechanics in ME
The critical depth for a channel is given by (where q = Unit discharge (discharge per unit width) through the channel)

(q²/g)1/3

(q/g)1/2

(q⁴/g)1/5

(q³/g)1/4

(q²/g)1/3

(q/g)1/2

(q⁴/g)1/5

(q³/g)1/4

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Hydraulics and Fluid Mechanics in ME
The time oscillation of a floating body with increase in metacentric height will be

lower

higher

same

lower/higher depending on weight of body

lower

higher

same

lower/higher depending on weight of body

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Hydraulics and Fluid Mechanics in ME
The flow in which conditions do not change with time at any point, is known as

one dimensional flow

steady flow

uniform flow

turbulent flow

one dimensional flow

steady flow

uniform flow

turbulent flow

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Hydraulics and Fluid Mechanics in ME

Hydraulics and Fluid Mechanics in ME An error of 1% in measuring head over the apex of the notch (H) will produce an error of _________ in discharge over a triangular notch.

Hydraulics and Fluid Mechanics in ME Slip of a reciprocating pump is defined as the

Hydraulics and Fluid Mechanics in ME The critical depth for a channel is given by (where q = Unit discharge (discharge per unit width) through the channel)

Hydraulics and Fluid Mechanics in ME The time oscillation of a floating body with increase in metacentric height will be

Hydraulics and Fluid Mechanics in ME The flow in which conditions do not change with time at any point, is known as

Hydraulics and Fluid Mechanics in ME
An error of 1% in measuring head over the apex of the notch (H) will produce an error of _________ in discharge over a triangular notch.

Hydraulics and Fluid Mechanics in ME
Slip of a reciprocating pump is defined as the

Hydraulics and Fluid Mechanics in ME
The critical depth for a channel is given by (where q = Unit discharge (discharge per unit width) through the channel)

Hydraulics and Fluid Mechanics in ME
The time oscillation of a floating body with increase in metacentric height will be

Hydraulics and Fluid Mechanics in ME
The flow in which conditions do not change with time at any point, is known as