A. 5%
B. 10%
C. 15%
D. 20%
0
The theoretical value of coefficient of contraction of a sharp edged orifice is_______________?
0
The pitot tube is used to measure________________?
A. 0.611
B. 0.85
C. 0.98
D. 1.00
0
Equation of continuity is based on the principle of conservation of_________________?
A. velocity at stagnation point
B. stagnation pressure
C. static pressure
D. dynamic pressure
0
In a forced vortex motion, the velocity of flow is________________?
A. mass
B. energy
C. momentum
D. none of the above
0
Which of the following velocity potentials satisfies continuity equation ?
A. directly proportional to its radial distance from axis of rotation
B. inversely proportional to its radial distance from the axis of rotation
C. inversely proportional to the square of its radial distance from the axis of rotation
D. directly proportional to the square of its radial distance from the axis of rotation
0
If velocity is zero over l/3rd of a cross-section and is uniform over remaining 2/3rd of the cross-section, then the correction factor for kinetic energy is__________________?
A. x2y
B. x2-y2
C. cosx
D. x2 + y2
0
Least possible value of correction factor for________________?
A. 4/3
B. 3/2
C. 9/4
D. 27/8
0
When the velocity distribution is uniform over the cross-section, the correction factor for momentum is__________________?
1. kinetic energy is zero
2. kinetic energy is 1
3. momentum is zero
4. momentum is 1
The correct statements are?
A. (1) and (3)
B. (2) and (3)
C. (1) and (4)
D. (2) and (4)
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