Test: Fluid Mechanics Level - 3 - Civil Engineering (CE) MCQ
25 Questions MCQ Test - Test: Fluid Mechanics Level - 3
If cohesion between molecules of a fluid is greater than adhesion between fluid and glass, then the free level of fluid in a dipped glass tube will be
An open vessel of water is accelerated up an inclined plane. The free water surface will
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The line of action of the buoyant force acts through the centroid of the
The time oscillation of a floating body with increase in metacentric height will be
The velocity at the exit of the pipe as shown in the below figure will be
The following terms relate to floating bodies :
Centre of gravity .....G
Meta Centre .....M
Weight of floating body.....W
Buoyant force ......FB
Match List I with List II and select these correct answer
Match List I with List II and select the correct answer.
Match List I with List II and select the correct answer:
Match List I (fluid properties) with List II (related terms) and select the correct answer
Match List I with List II and select the correct answer.
Newton's law of viscosity for a fluid states that the shear stress is
The General relationship between shear stress (ζ) and velocity Gradient ( du/dy ) for a fluid can
be written as
ζ = A ( du/dy )n + B
If n < 1, B = 0
Then the fluid known as
If angle of contact of a drop of liquid is acute than
Match List I (Physical properties of fluid) with List II (Dimensions/definitions) and select the correct answer using the codes given below the lists.
An increase in pressure of 2 bars decreases the volume of a liquid by 0.01 per cent. The bulk modulus of elasticity of the liquid is
The pressure inside a soap bubble of 50 mm diameter is 25 N/m2 above the atmospheric pressure. What is the surface tension is soap film
When can a piezometer be not used for pressure measurement in pipes
What is the difference in pressure head, measured by a mercury-oil differential manometer for a 20 cm difference of mercury level? (Sp. gravity of oil = 0.8)
In order to increase sensitivity of U-tube manometer, one leg is usually inclined by angle θ, sensitivity of inclined tube to sensitivity of U-tube equal to
In figure if the pressure of gas in bulb A is 50 cm Hg vacuum and Patm = 76 cm Hg, the height of column H is equal to
A U-tube manometer is used to measure the pressure in an oil pipe A as shown in the figure.The specific gravity of the oil is 0.8 and that of mercury is 13.6. The equivalent gauge pressure is nearly.
A multi-tube manometer filled with water up to level A, B and C as shown in the figure is rotated about the vertical axis at A. The water levels at A, B and C will all lie on
A U-tube manometer shown attached to an air pipe reads a height of 20 cm of mercury as shown. What is the pressure in kPa in the air pipe ?
A metal block is thrown into deep lake. As it sinks deeper in water, the buoyant force acting on it
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