Pressure drop in a packed bed for laminar flow is given by the ______________ equation?
A. Kozeny-Carman
B. Blake-Plummer
C. Leva’s
D. Fanning friction factor
Fluid Mechanics for Chemical
The line of action of the buoyant force acts through the____________________?
The line of action of the buoyant force acts through the____________________?
A. Centroid of the displaced volume of fluid
B. Centre of gravity of a submerged body
C. Centroid of the volume of any floating body
D. None of these
Bernoulli’s equation accounts for the_____________________?
Bernoulli’s equation accounts for the_____________________?
A. Various momentums
B. Various masses
C. Different forms of mechanical energy
D. None of these
A Newtonian fluid is that__________________?
A Newtonian fluid is that__________________?
A. Which follows Newton’s law of motion
B. Which needs a minimum shear, before it starts deforming
C. For which shear & deformation are related as T = μ (∂u/∂y)
D. None of these
A centrifugal pump has the following specifications: Power = 4 H.P.; Speed = 800 rpm Head = 8 metres Flow = 1000 litres/minutes. If its speed is halved, the power consumed now will be _____________ hp?
A centrifugal pump has the following specifications: Power = 4 H.P.; Speed = 800 rpm Head = 8 metres Flow = 1000 litres/minutes. If its speed is halved, the power consumed now will be _____________ hp?
A. 0.5
B. 2
C. 4
D. 1
Power number is the ratio of____________________?
Power number is the ratio of____________________?
A. Drag stress to inertial stress
B. Inertial stress to drag stress
C. Inertial stress to gravitational stress
D. Gravitational stress to drag stress
A hydraulic press has a ram of 10 cms in diameter and a plunger of 1 cm in diameter. The force required on the plunger to raise a weight of 10 tons on the ram is _____________ kg?
A hydraulic press has a ram of 10 cms in diameter and a plunger of 1 cm in diameter. The force required on the plunger to raise a weight of 10 tons on the ram is _____________ kg?
A. 10
B. 100
C. 1000
D. 10000
Mach number is defined as the ratio of the local flow velocity to the sonic velocity in the fluid. For what value of Mach number, the gases are considered incompressible ?
Mach number is defined as the ratio of the local flow velocity to the sonic velocity in the fluid. For what value of Mach number, the gases are considered incompressible ?
A. < 0.3
B. > 3
C. 50
D. 1
Propeller type centrifugal pumps are most suitable for__________________?
Propeller type centrifugal pumps are most suitable for__________________?
A. High capacity at high heads
B. High capacity at low heads
C. Low capacity at high heads
D. Low capacity at low heads
Hydraulic diameter for non-circular ducts is equal to ___________ times the area of flow divided by the perimeter?
Hydraulic diameter for non-circular ducts is equal to ___________ times the area of flow divided by the perimeter?
A. Two
B. Three
C. Four
D. Eight