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SSC JE ME 2017- Fluid Mechanics Rankers Quiz 4

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Question 1

In a static fluid:-

Question 2

Which of the following is a dimensionless quantity—

Question 3

Gauge pressure is equal to

Question 4

For a fluid at rest:—

Question 5

Curtis turbines an example of —

Question 6

Air at 20 °C and 105 Pa enters the bottom of an 85 ° conical flow meter duct at a mass flow rate of 0.3 kg/s, as shown in the figure. If supports the centered conical body by steady annular flow around the cone and exits at the same velocity as it enters. Estimate the weight of the body in Newtons. (density of air is 1.2 kg/m3)

Question 7

A fully developed laminar viscous flow through a circular tube has the ratio of maximum velocity to average velocity as

Question 8

A jet of water issues from a nozzle with a velocity of 20m/s and it impinges normally on a flat plate moving away from it at 10m/s. If the cross-section area of the jet is 0.01m2 and the density of water is taken as 1000kg/m3 , then the force developed on the plate will be

Question 9

Head loss in turbulent flow in a pipe

Question 10

The stagnation temperature of an isentropic flow of air (k=1.4) is 360 K. If the temperature is 200 K at a section, then the Mach number of the flow will be
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Jul 15ESE & GATE ME