1
GATE ME 1988
Subjective
+5
-0
A $$0.20$$ $$m$$ diameter pipe $$20$$ $$km$$ long transport oil at a flow rate of $$0.01{m^3}/s.$$ Calculate the power required to maintain the flow if the dynamic viscosity and density of oil are $$0.08$$ $$Pa$$-$$sec$$ and $$900\,kg/{m^3}.$$
2
GATE ME 1988
MCQ (Single Correct Answer)
+1
-0.3
The parameters which determines the friction factor for turbulent flow in a rough pipe are:
A
Froude number and relative roughness
B
Froude number and Mach number
C
Reynolds number and relative roughness.
D
Mach number and relative roughness
3
GATE ME 1988
MCQ (Single Correct Answer)
+2
-0.6
The discharge in $${m^3}/s$$ for laminar flow through a pipe of diameter $$0.04$$ $$m$$ having a centre line velocity of $$1.5$$ $$m/s$$ is:
A
$$3\pi /50$$
B
$$3\pi /2500$$
C
$$3\pi /5000$$
D
$$3\pi /10000$$
4
GATE ME 1988
Subjective
+2
-0
Water flows through a pipe of diameter $$0.30$$ $$m.$$ What would be the velocity $$V$$ for the conditions shown in the figure below?

GATE ME 1988 Fluid Mechanics - Fluid Dynamics Question 21 English
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