- (A) d
- (B) 1/d
- (C) ζ
- (D) 1/ζ
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- (A) Varies parabolically across the cross-section
- (B) Remains constant over the cross-section
- (C) Is zero at the centre and varies linearly with the radius
- (D) Is zero at the wall and increases linearly to the centre
- (A) 90
- (B) 60
- (C) 45
- (D) 30
- (A) Reciprocating
- (B) Gear
- (C) Diaphragm
- (D) Centrifugal
- (A) Suitably designing the pump
- (B) Maintaining the suction head sufficiently greater than the vapour pressure
- (C) Maintaining suction head = developed head
- (D) Maintaining suction head lower than the vapour pressure
- (A) Dilatant
- (B) Bingham plastic
- (C) Pseudo plastic
- (D) None of these
- (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
- (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) Is a positive displacement pump
- (B) Is a centrifugal pump
- (C) Is a non-positive displacement pump
- (D) Can be started with delivery valve closed
- (A) Buoyancy = weight + drag
- (B) Weight = buoyancy + drag
- (C) Drag = buoyancy + weight
- (D) Drag = weight
