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Fluid Machines - Interview Questions and Answers

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41. Size of a venturimeter is specified by
A. pipe diameter
B. throat diameter
C. angle of diverging section
D. both pipe diameter as well as throat diameter
Explanation:
42. Due to each end contraction, the discharge of rectangular sharp crested weir is reduced by
A. 5%
B. 10%
C. 15%
D. 20%
Explanation:
43. Select the incorrect statement.
A. The pressure intensity at vena contracta is atmospheric.
B. Contraction is least at vena contracta.
C. Stream lines are parallel throughout the jet at vena contracta.
D. Coefficient of contraction is always less than one.
Explanation:
44. The major loss of energy in long pipes is due to
A. sudden enlargement
B. sudden contraction
C. gradual contraction or enlargement
D. friction
Explanation:
45. If the dynamic viscosity of a fluid is 0.5 poise and specific gravity is 0.5, then the kinematic viscosity of that fluid in stokes is
A. 0.25
B. 0.50
C. 1.0
D. none of the above
Explanation:
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