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SSC JE 2019-20 Fluid Mechanics
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Question 1
Working of a dead weight pressure gauge tester is based on
Question 2
When liquid passes through the divergent portion of venturi-meter then pressure of liquid ______.
Question 3
Which of the given device is used for transmitting increased or decreased torque from one shaft to other?
Question 4
Two solid blocks of same weight and of circular cross section of diameter D. One block is made up of a material (metal1) of density 800kg/m3 and another (metal2) of a density 700kg/m3. These two blocks are set to float on water surface. The ratio of heights of blocks of metal 1 to metal 2 is
Question 5
Speed of an aeroplane is measured by ______.
Question 6
In a turbulent flow through the pipe the mean velocity is 3m/sec and friction factor f = 0.03. The shear velocity of flow is …….m/sec.
Question 7
The areas of ram and plunger of a hydraulic press are 40mm2 and 2 mm2 respectively. The plunger applies a force of 500N, determine the weight lifted based on the intensity of pressure measured at ram.
Question 8
A pump consumes 2kW of power when operated at 4000 rpm. How much power will it consume when being operated at 12000 rpm ?
Question 9
Efficiency of a centrifugal pump is maximum when the blades are _______.
Question 10
As per common design practice, the three types of hydraulic turbines, in descending order of flow rate, are
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