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SSC JE ME 2017- Fluid Mechanics Rankers Quiz 5

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Question 1

Direction: Each of the question consist of two statements, one labeled as the ‘Statement (I)’ and the other as ‘Statement (II)’. Examine these two statements carefully and select the answer to these items using the codes given below:
Statement (I): Thicker sections of casting take longer to solidify than thinner sections.
Statement (II): Thicker sections of casting carry residual stresses.

Question 2

In manometer U shaped tube as shown, which among the following statement is incorrect?

Question 3

The pressure at a point in water column is 3.924 N/cm2. What is the corresponding height of water?

Question 4

Shear stress in viscous fluid is maximum at pipe ____, while velocity is maximum at pipe ____.

Question 5

In the parallel pipe arrangement as shown, the head loss in every pipe:

Question 6

The velocity of flow from a tap of 12 mm diameter is 8 m/s. What is the diameter of the jet at 1.5 m from the tap when the flow is vertically upwards? Assuming that, the jet continues to be circular upto that level.

Question 7

Calculate the mass flow rate, if an empty bucket of weighs 2.0 kg and after 7 seconds of water collection weighs 8.0 kg?

Question 8

The power absorbed by a hydraulic pump is directly proportional to which one of the following? (N is the rotational speed of the pump)

Question 9

In a submerged office flow, the discharge is proportional to which one of the following parameters?

Question 10

A conical tank having 10m height is completely filled with process fluid having top and bottom circular surface radii of 1.0 m and 0 1 m respectively. If the total conical tank angle is 60 °, then what will be the rate of change of surface height at a height 3.33 m?
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