Rate of velocity of liquid supply
Rate of flow through delivery pipeline of a pump
Intensity of pressure of the liquid
Momentum rate through delivery pipe
✅ The correct answer is option C.
Fluid Mechanics MCQs
92. The equivalent diameter for pressure drop calculation for a fluid flowing through a rectangular cross-section channels having sides ‘x’ & ‘y’ is given by
2xy/(x+y)
xy/(x+y)
(x+y)/2xy
(x+y)/xy
✅ The correct answer is option A.
93. The resistance wire used in a hot wire anemometer for conducting electrical current is made of
Copper
Tungsten
Chromium
Aluminium
✅ The correct answer is option B.
94. Co-efficient of velocity is __________ the coefficient of discharge.
Less than
More than
Equal to
Not related to
✅ The correct answer is option B.
95. Cd is always __________ Cc.
Greater than
Less than
Equal to
Either more or less than
✅ The correct answer is option A.
96. Air vessel provided in a reciprocating pump
Smoothens the flow by avoiding pulsations
Increases the volumetric efficiency of the pump
Saves the pump from the danger of cavitation
None of these
✅ The correct answer is option D.
97. Molten soap mass is transported by a __________ pump.
Diaphragm
Reciprocating
Gear
Centrifugal
✅ The correct answer is option D.
98. Permanent pressure loss in a well designed venturimeter is about __________ percent of the venturi differential.
1
10
30
50
✅ The correct answer is option B.
99. Which of the following may be termed as a variable orifice flowmeter?
Rotameter
Pitot tube
V-notch
All of the above
✅ The correct answer is option A.
100. What is the normal range of exit cone angle of a venturimeter?
2 to 5
7 to 15
15 to 25
>25
✅ The correct answer is option B.