0.5
1
1.5
3
✅ The correct answer is option A.
Chemical Engineering MCQs
Drag co-efficient for motion of spherical particles in a stationary fluid in the stoke’s law range is
24/NRe,p
16/NRe,p
64/NRe,p
48/NRe,p
✅ The correct answer is option A.
The pressure head on sudden contraction in a horizontal pipe is converted into the __________ head.
Elevation
Velocity
Both A and B
Neither A nor B
✅ The correct answer is option B.
Hydraulic intensifier is used for increasing the
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.
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.
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.
Co-efficient of velocity is __________ the coefficient of discharge.
Less than
More than
Equal to
Not related to
✅ The correct answer is option B.
Cd is always __________ Cc.
Greater than
Less than
Equal to
Either more or less than
✅ The correct answer is option A.
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.
Molten soap mass is transported by a __________ pump.
Diaphragm
Reciprocating
Gear
Centrifugal
✅ The correct answer is option D.