The equation relating friction factor to Reynold number, f-0.5 = 4 loge (NRe/√f)-0.4, is called the _____________ equation?
A. Nikuradse
B. Von-Karman
C. Blasius
D. Colebrook
Fluid Mechanics for Chemical
Applicability of Bernoulli’s equation is limited to a/an _____________ fluid, that does not exchange shaft work with the surroundings?
Applicability of Bernoulli’s equation is limited to a/an _____________ fluid, that does not exchange shaft work with the surroundings?
A. Incompressible
B. Non-viscous
C. Both A. and B.
D. Neither A. nor B.
Potential flow is characterised by the___________________?
Potential flow is characterised by the___________________?
A. Irrotational and frictionless flow
B. Irrotational and frictional flow
C. One in which dissipation of mechanical energy into heat occurs
D. Formation of eddies within the stream
Viscosity of water at 40°C lies in the range of___________________?
Viscosity of water at 40°C lies in the range of___________________?
A. 1 × 10-3 to 2 × 10-3 kg/m.s
B. 0.5 × 10-3 to 1 × 10-3 kg/m.s
C. 1 to 2 kg/m.s
D. 0.5 to 1 kg/m.s
Prandtl mixing length is___________________?
Prandtl mixing length is___________________?
A. Applicable to laminar flow problems
B. A universal constant
C. Zero at the pipe wall
D. None of these
The pressure co-efficient is the ratio of pressure forces to ______________ forces?
The pressure co-efficient is the ratio of pressure forces to ______________ forces?
A. Viscous
B. Inertial
C. Gravity
D. Surface tension
In magnetic flow meters, voltage generation is________________?
In magnetic flow meters, voltage generation is________________?
A. Due to the motion of conducting fluid through an externally generated uniform field
B. Proportional to the fluid velocity
C. Both A. and B.
D. Neither A. nor B.
Which of the following is a Newtonian fluid ?
Which of the following is a Newtonian fluid ?
A. Rubber latex
B. Sewage sludge
C. Quicksand
D. Non-colloidal solution
In which of the following body shapes, the pressure drag is large compared to the friction drag ?
In which of the following body shapes, the pressure drag is large compared to the friction drag ?
A. Stream line body
B. Two dimensional body
C. Bluff body
D. None of these
Pressure drop in a fluidised bed reactor is ______________ that in a similar packed bed reactor?
Pressure drop in a fluidised bed reactor is ______________ that in a similar packed bed reactor?
A. Less than
B. Greater than
C. Same as
D. None of these