The capillary rise of mercury is maximum in glass tube of dia _____________ mm?
The capillary rise of mercury is maximum in glass tube of dia _____________ mm?
A. 0.5
B. 1
C. 2
D. 5
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A hydraulic accumulator comprises of__________________?
A hydraulic accumulator comprises of__________________?A. A storage device and a control valve
B. A cylinder and a plunger
C. Two pistons and two cylinders
D. A storage tank and a ram pumpIn the complete turbulence zone (in rough pipes), the____________________?
In the complete turbulence zone (in rough pipes), the____________________?A. Rough and smooth pipes have the same friction factor
B. Laminar film covers the roughness projections
C. Friction factor depends upon NRe only
D. Friction factor is independent of the relative roughnessWhich of the following is not an advantage of fluidisation from transfer operation point of view ?
Which of the following is not an advantage of fluidisation from transfer operation point of view ?A. Intimate contact of the fluid with all parts of the solid particles
B. Lower fluid pumg power requirement
C. Minimisation of temperature variation
D. Prevention of particle segregationSelf-priming centrifugal pump can be used for________________?
Self-priming centrifugal pump can be used for________________?A. Booster service
B. Pumg liquid fertilisers (e.g. liquid NH3)
C. Pumg industrial wastes
D. All A., B. and C.A pitched-blade turbine draws ______________ a straight blade turbine?
A pitched-blade turbine draws ______________ a straight blade turbine?A. Less power than
B. More power than
C. Same power as
D. Data insufficient to predictWhich of the following is not dimension-less ?
Which of the following is not dimension-less ?A. Froude number
B. Kinematic viscosity
C. Pressure co-efficient
D. None of these