Latest Fluid Mechanics objective questions and answers for competitive exams & interviews. Useful for freshers, students preparing for semester exams and MTech Preparation.
a) pipe diameter
b) throat diameter
c) angle of diverging section
d) both pipe diameter as well as throat diameter
Ans: a
62. Due to each end contraction, the discharge of rectangular sharp crested weir is reduced by
a) 5%
b) 10%
c) 15%
d) 20%
Ans: a
63. The discharge through a V- notch varies as
a) H1/2
b) H3'2
c) H5/2
d) H5'4 where H is head.
Ans: c
64. Which of the following is an incorrect statement ?
a) Coefficient of contraction of a venturimeter is unity.
b) Flow nozzle is cheaper than venturimeter but has higher energy loss.
c) Discharge is independent of orientation of venturimeter whether it is horizontal, vertical or inclined.
d) None of the above statement is correct.
Ans: d
65. Coefficient of velocity of venturimeter
a) is independent of Reynolds number
b) decreases with higher Reynolds number
c) is equal to the coefficient of discharge of venturimeter
d) none of the above
Ans: c
66. The pressure at the summit of a syphon is
a) equal to atmospheric
b) less than atmospheric
c) more than atmospheric
d) none of the above
Ans: b
67. Ay between two stream lines represents
a) velocity
b) discharge
c) head
d) pressure
Ans: b
68. Coefficient of velocity for Borda's mouth piece running full is
a) 0.611
b) 0.707
c) 0.855
d) 1.00
Ans: b
69. Coefficient of discharge for a totally submerged orifice as compared to that for an orifice discharging free is
a) slightly less
b) slightly more
c) nearly half
d) equal
Ans: a
70. The major loss of energy in long pipes is due to
a) sudden enlargement
b) sudden contraction
c) gradual contraction or enlargement
d) friction
Ans: d
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Fluid Mechanics Multiple choice Questions Part9
Fluid Mechanics Objective type Questions and Answers List
61. Size of a venturimeter is specified bya) pipe diameter
b) throat diameter
c) angle of diverging section
d) both pipe diameter as well as throat diameter
Ans: a
62. Due to each end contraction, the discharge of rectangular sharp crested weir is reduced by
a) 5%
b) 10%
c) 15%
d) 20%
Ans: a
63. The discharge through a V- notch varies as
a) H1/2
b) H3'2
c) H5/2
d) H5'4 where H is head.
Ans: c
64. Which of the following is an incorrect statement ?
a) Coefficient of contraction of a venturimeter is unity.
b) Flow nozzle is cheaper than venturimeter but has higher energy loss.
c) Discharge is independent of orientation of venturimeter whether it is horizontal, vertical or inclined.
d) None of the above statement is correct.
Ans: d
65. Coefficient of velocity of venturimeter
a) is independent of Reynolds number
b) decreases with higher Reynolds number
c) is equal to the coefficient of discharge of venturimeter
d) none of the above
Ans: c
66. The pressure at the summit of a syphon is
a) equal to atmospheric
b) less than atmospheric
c) more than atmospheric
d) none of the above
Ans: b
67. Ay between two stream lines represents
a) velocity
b) discharge
c) head
d) pressure
Ans: b
68. Coefficient of velocity for Borda's mouth piece running full is
a) 0.611
b) 0.707
c) 0.855
d) 1.00
Ans: b
69. Coefficient of discharge for a totally submerged orifice as compared to that for an orifice discharging free is
a) slightly less
b) slightly more
c) nearly half
d) equal
Ans: a
70. The major loss of energy in long pipes is due to
a) sudden enlargement
b) sudden contraction
c) gradual contraction or enlargement
d) friction
Ans: d
Read More:-
Fluid Mechanics Multiple choice Questions Part2
Fluid Mechanics Multiple choice Questions Part3
Fluid Mechanics Multiple choice Questions Part4
Fluid Mechanics Multiple choice Questions Part5
Fluid Mechanics Multiple choice Questions Part6
Fluid Mechanics Multiple choice Questions Part7
Fluid Mechanics Multiple choice Questions Part8
Fluid Mechanics Multiple choice Questions Part9
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