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CG Vyapam_CE Fluid Mechanics Quiz-7

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Question 1

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

Question 2

In the model for a highway bridge constructed to a scale of 1:10, the force of water on the pier was measured as 10 N. What is the force (approx.) on the prototype pier ?

Question 3

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

Question 4

Reynold’s number is the ratio of inertial force and:

Question 5

According to Froude’s model law

Question 6

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 7

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

Question 8

Froude number is ratio of inertia force to:

Question 9

Which of the following dimension represents the pressure?

Question 10

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

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Dec 19AE & JE Exams