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Hassan
1.Terminal velocity is given by equation
A. Vt = gr2??
B. Vt = 2gr2?/9?
C. Vt = gr2?/9?
D. Vt = gr2??
2. Terminal velocity of the body is directly proportional to the
A. radius of the body
B. diameter of the body
C. size of the body
D. radius of the body
3. The flow of ideal fluid is always
A. turbulent
B. streamline
C. irregular
D. turbulent
4. Drag force is given by
A. Newtons law
B. Pascals law
C. Gauss law
D. Newtons law
5. When fluid is incompressible then
A. velocity of the fluid is constant
B. flow of the fluid is straight line
C. density of the fluid is constant
D. velocity of the fluid is constant
6. Irregular flow of fluid is called
A. streamline
B. turbulent
C. uniform
D. streamline
7.According to equation of continuity A1V1 = A2V2 = constant. The constant is equal to
A. flow rate
B. volume of fluid
C. mass of fluid
D. flow rate
8.Equation of continuity is obtained by apply in law of conservation of
A. mass
B. energy
C. momentum
D. mass
9. Velocity of fluid increases where the pressure is
A. low
B. high
C. constant
D. low
10.Speed of efflux can be determined by applying
A. Bernoulls theorem
B. Torricellis theorem
C. venture relation
D. Bernoulls theorem
11. Blood vessels are
A. rigid
B. not rigid
C. of glass
D. rigid
12. Concentration of red cells in blood is about
A. 25%
B. 40%
C. 50%
D. 25%
13. A man standing near a fast moving train may fall
A. on the train
B. away from the train
C. towards the train
D. on the train
14. For which position maximum blood pressure in the body have the smallest value ?
A. standing straight
B. sitting on chair
C. sitting on ground
D. standing straight
15. Two fog droplets have radius 2:3 their terminal velocities are
A. 4:06
B. 4:09
C. 2:09
D. 4:06
16. Burnoullis equation is obtained by applying law of conservation of _
A. mass
B. energy
C. momentum
D. mass
17. Venturi meter is used to measure
A. fluid pressure
B. fluid density
C. fluid speed
D. fluid pressure
18. In cricket when a bowler produce reverse swing the ball will move towards
A. shinning side of the ball
B. rough side
C. seam of the ball
D. shinning side of the ball
19.Stokes law is applicable if body has ________shape
A. rough
B. square
C. circular
D. rough
20. One torr is equal to
A. 1.333 Nm-2
B. .1333 Nm-2
C. 13.33 Nm-2
D. 1.333 Nm-2
21. Systolic pressure is called
A. low blood pressure
B. high blood pressure
C. normal blood pressure
D. low blood pressure
22.Instrument used to measure blood pressure is called
A. venturimeter
B. blood pressure
C. sphgmomanometer
D. venturimeter
23. A chimney works works best if air exposed to the chimmey is
A. stationary
B. moving
C. moving slowly
D. stationary
24. Which one is venturi relation ?
A. P1 - P2 = 1/2 ?V22
B. V2 = 2g (h1-h2)
C. P = 1 /2?V2 = ?gh = constant
D. P1 - P2 = 1/2 ?V22
25. The effect of the decrease in pressure with the increase of the speed of fluid in a horizontal pipe is known as
A. Bernoullirt effect
B. Torricelli effect
C. Venturi effect
D. Bernoullirt effect
26. Ideal fluid is
A. non-viscous
B. incompressible
C. steady flow
D. non-viscous
27.Laminar flow usually occurs at speeds.
A. low
B. high
C. very high
D. low
28.For _________ flow the path of the fluid particles cannot be tracked.
A. laminar
B. stream line
C. turbulent
D. laminar
29. Sphygmomanometers measures blood pressure.
A. statically
B. dynamically
C. some time static and some time dynamic
D. statically
30. Carburetor of a car is a application of
A. Venturi meter
B. Bernoulli equation
C. Both (a) and (b)
D. Venturi meter
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