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Fluid Mechanics- Quiz: 7

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Question 1

Which of the following is CORRECT ratio for Froude number?

Question 2

When the mach number is more than 6, the flow is called

Question 3

Which of the following is the dimensionless parameter?

Question 4

Which of the following dimension represents the pressure?

Question 5

A ship’s model of scale 1:100 had a wave resistance of 1 N at its design speed. The corresponding wave resistance (in N) in prototype will be ______.

Question 6

Calculate the kinematic viscosity (stoke) of the fluid, if the dynamic viscosity of fluid is 0.5 poise and specific gravity is 0.4?

Question 7

Which of the following is equivalent to one kilo-Pascal?

Question 8

Two geometrically similar pumps are running at the same speed of 150 rpm and lifting water against the heads of 36.0 m and 49.0 m respectively. First pump is having an impeller diameter of 240 mm. The impeller diameter of second pump shall be

Question 9

The ratio of inertia force to viscous force is known as:

Question 10

An airplane is cruising at a speed of 800 km/h at an altitude where the air temperature is 0°C. The flight Mach number at this speed is

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AE & JE Exams

Dec 19AE & JE Exams