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CE Quiz 47

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Question 1

When an ideal fluid flows past a sphere ______.

Question 2

In order that a droplet of water at 20⁰C (σ = 0.0728 N/m) has an internal pressure 1 KPa greater than that of outside pressure, its diameter should be nearly:

Question 3

A liquid compressed in a cylinder has a volume of 1000 cm³ at 2MN/m² and a volume of 993 cm³ at 3.3 MN/m². What is the bulk modulus of elasticity?

Question 4

Which of the following is CORRECT about the viscosity of gas?

Question 5

The dimesions of surface tension are

Question 6

A liquid with specific gravity of 0.85 undergoes a reduction in volume 0.18% when subjected to an increase in pressure of 2000 kPa. The velocity of propagation of sound in this liquid is

Question 7

A flat plate of 0.15 m² is pulled at 20 cm/s relative to another plate. fixed at a distance of 0.02 cm from it with a fluid having J.1 = 0.0014 N-s/m2 separating them. What is the power required to maintain the motion?

Question 8

Match List-I (Curve identification in figure) with List-II (Nature of fluid) and select the correct answer using the codes given below the lists:
Rate of shear deformation

Question 9

Consider the following statements:
Cavitation generally results from a combination of several influences
1) by reduction of pressure intensity below a limiting value
2) by increase in either elevation or the velocity of flow
3) by reduction of pressure load in the system
4) by decrease in the velocity of flow
Which of these statements are correct?

Question 10

Consider the following statements

1) Fluid with higher vapour pressure are more prone to cavitation.

2) Mercury is commonly used in manometer because of its high vapour pressure.

Which of the above statements are correct?

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AE & JE Exams

Nov 19AE & JE Exams