A. Turbine
B. Pump
C. Coupling
A. Euler number
B. Weber number
D. Reynolds number
B. Bypassing liquid from the suction or discharge line
C. Changing the speed of rotation
D. Bleeding air into suction
A. HB/(H + B)
C. 4HB/(H + B)
D. HB/2 (H + B)
A. Dilatant
C. Pseudo-plastic
A. Size
B. Material density
C. Roughness
A. 0.42
B. 0.82
C. 0.98
A. Zero at the pipe wall and is a universal constant
B. Independent of the shear stress
C. Independent of radial distance from the pipe axis
A. 5.5
C. 4
D. 8
A. Flow rate
C. Both a & b
D. Neither a nor b
A. Equipotential
B. Stream
D. None of these
A. Turbulent
B. Steady
C. None of these
B. Only when the fluid is at rest having zero velocity
C. Regardless of the motion of one fluid layer relative to an adjacent layer
D. Only when the fluid is frictionless
A. Number of pumps and joining them in series
B. Number of pumps and joining them in parallel
C. Impeller diameter or speed
A. Vapour pressure of the liquid
B. Nature of the liquid being pumped
C. Power of the pump
A. Widens
B. Unpredictable from the data
D. Squeezes
A. 2.5
B. 1.66
D. 1.3
A. d4
C. d
D. d2
A. 39.6y
B. 58y
C. 49.2y
B. Decrease
C. Data insufficient to predict pressure drop
D. Remain same
B. Weber
C. Euler
D. Reynolds
B. Nusselt number tends to infinity
C. Schmidt number tends to infinity
D. Archimedes number is greater than 10000
A. Globe
C. Needle
D. Gate
A. Maintaining suction head lower than the vapour pressure
B. Suitably designing the pump
C. Maintaining suction head = developed head
A. 5.p
B. CD = 0.079/Re
C. CD = 18.4/Re.p
E. CD = 16/Re.p
A. Bingham plastic
C. Newtonian
D. Dilatants
A. N/m2. sec
B. Kg. sec/m
B. Moving stream gradually reduces velocity
C. Mean velocity remains constant
A. A line connecting the mid points of flow cross-section
C. Drawn normal to the velocity vector at every point
D. Always the path of particle
B. For Reynolds number greater than 300
C. For unbaffled tank
A. 42
B. 84
D. 1.8
A. Passing the centroid of the body at 60to the direction of motion
B. None of these
D. The component being normal to the flow direction
B. V
C. 1/V
D. 1/V2
A. Steady flow
B. Turbulent flow
C. Laminar flow through an open channel
A. 150 feet
C. Dependent on the speed of the pump
D. Dependent on the power of the pump
B. 2
D. 1
A. None of these
B. Turbine type impeller
C. Rotating vaned volute
B. Temperature remains constant
C. Compressibility is greater than zero
D. Is frictionless
A. Lies above its metacentre
B. And centre of buoyancy coincide
D. Lies above its centre of buoyancy
A. 90
C. 45
D. 30
A. Orificemeter
B. Venturimeter
D. Anemometer
A. Remains unaltered
B. Can either increase or decrease; depends on other factors
D. Decreases
B. Globe valve
C. Plug-cock
D. Check valve
B. > 1
C. 1
D. < 2
B. Prevention of particle segregation
C. Minimisation of temperature variation
D. Intimate contact of the fluid with all parts of the solid particles
A. ? = ?0 + ?.t4
C. ? = ?0 + ?.t3
D. ? = ?0 + ?.t2
A. Not affected by other particles and the wall
B. Placed farther from the wall
C. One, which obeys Newtons law of viscosity
D. Highly viscous
A. Surface tension of the liquid
B. Viscosity of the liquid
D. Depth of immersion of the body
A. Inversely as the square of diameter
B. As velocity
D. Inversely as the velocity
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