Sewage sludge is ______________ type of non-Newtonian fluid?
A. Dilatant
B. Bingham plastic
C. Pseudo plastic
D. None of these
Fluid Mechanics for Chemical
At high Reynolds number_________________?
At high Reynolds number_________________?
A. Inertial forces control and viscous forces are unimportant
B. Viscous forces predominate
C. Inertial forces are unimportant and viscous forces control
D. None of these
Check valve provided in the discharge line of a centrifugal pump serves the purpose of controlling the_______________?
Check valve provided in the discharge line of a centrifugal pump serves the purpose of controlling the_______________?
A. Back flow of fluid in the event of stoppage of pump
B. Discharge pressure
C. Flow of liquid during operation of the pump
D. All A., B. and C.
Head developed by a centrifugal pump depends on its___________________?
Head developed by a centrifugal pump depends on its___________________?
A. Speed
B. Impeller diameter
C. Both A. and B.
D. Neither A. nor B.
Pump used for the transportation of molten sodium in a fast breader reactor is a/an __________ pump?
Pump used for the transportation of molten sodium in a fast breader reactor is a/an __________ pump?
A. Reciprocating
B. Plunger
C. Electromagnetic
D. Gear
Which is the correct relationship for a centrifugal pump? (Where, D = Impeller diameter, inches H = Head developed, ft of liquid pumped N = Speed of pump, rpm) ?
Which is the correct relationship for a centrifugal pump? (Where, D = Impeller diameter, inches H = Head developed, ft of liquid pumped N = Speed of pump, rpm) ?
A. D = 1840 H0.5/N
B. D = 1840 N/H0.5
C. H = 1840 D0.5/N
D. D = 1840 H/N
The terminal velocity of a particle moving through a fluid varies as dp n. The value of n is equal to _______________ in Stoke’s law regime?
The terminal velocity of a particle moving through a fluid varies as dp n. The value of n is equal to _______________ in Stoke’s law regime?
A. 1
B. 0.5
C. 2
D. 1.5
Maximum theoretical suction lift for water at 15°C by a centrifugal pump is 34 ft. The same for water at 90°C will be _____________________ ft?
Maximum theoretical suction lift for water at 15°C by a centrifugal pump is 34 ft. The same for water at 90°C will be _____________________ ft?
A. 40
B. 34
C. 8
D. 37
For the same terminal conditions and valve size, the pressure drop in a fully opened globe valve as compared to that in a gate valve is___________________?
For the same terminal conditions and valve size, the pressure drop in a fully opened globe valve as compared to that in a gate valve is___________________?
A. More
B. Less
C. Equal
D. Either A. or B.; depends on the viscosity of the fluid
A piezometer opening measures the _____________ fluid pressure?
A piezometer opening measures the _____________ fluid pressure?
A. Static
B. Undisturbed
C. Total
D. Dynamic