A hydraulic ram acts as a/an ______________ pump?
A. Centrifugal
B. Reciprocating
C. Impulse
D. Parallel cylinder
Fluid Mechanics for Chemical
In fluid flow, the stagnation point is defined as a point, where the _____________ is zero?
In fluid flow, the stagnation point is defined as a point, where the _____________ is zero?
A. Flow velocity
B. Pressure
C. Total energy
D. All A., B. and C.
During ageing of fluid carrying pipes, the__________________?
During ageing of fluid carrying pipes, the__________________?
A. Pipe becomes smoother with use
B. Friction factor increases linearly with time
C. Absolute roughness decreases with time
D. Absolute roughness increases linearly with time
Creeping flow around a sphere is defined, when particle Reynolds number is___________________?
Creeg flow around a sphere is defined, when particle Reynolds number is___________________?
A. < 2100
B. < 0.1
C. > 2.5
D. < 500
Working principle of manometer comprises of balancing a coloumn of liquid against the pressure to be measured. Inclined tube manometer is especially used for the measurement of ______________ pressure?
Working principle of manometer comprises of balancing a coloumn of liquid against the pressure to be measured. Inclined tube manometer is especially used for the measurement of ______________ pressure?
A. Small differential
B. Atmospheric
C. Absolute
D. Gage
Which is not a variable head meter _________________?
Which is not a variable head meter _________________?
A. Venturimeter
B. Pitot tube
C. Rotameter
D. None of these
Power requirement of fans having constant wheel diameter varies _____________ fan speed?
Power requirement of fans having constant wheel diameter varies _____________ fan speed?
A. As square of
B. Directly as
C. As cube of
D. None of these
For a reciprocating pump, the indicator diagram is the graph between the________________?
For a reciprocating pump, the indicator diagram is the graph between the________________?
A. Discharge and overall efficiency
B. Volume swept by piston for one complete revolution and the pressure in the cylinder
C. Angle swept by the crank at any instant and the discharge
D. None of these
Efficiency of power transmission (ε) through a circular pipe is given by (ht – hf)/ht, which has a maximum value of _____________ percent?
Efficiency of power transmission (ε) through a circular pipe is given by (ht – hf)/ht, which has a maximum value of _____________ percent?
A. 33:3
B. 50
C. 66.6
D. 88.8
A bed consists of particles of density 2000 kg/m3. If the height of the bed is 1.5 metres and its porosity 0.6, the pressure drop required to fluidise the bed by air is_________________?
A bed consists of particles of density 2000 kg/m3. If the height of the bed is 1.5 metres and its porosity 0.6, the pressure drop required to fluidise the bed by air is_________________?
A. 25.61 kPa
B. 11.77 kPa
C. 14.86 kPa
D. 21.13 kPa