Steady fluid flow occurs, when the derivative of flow variables satisfy the following condition.
A. ∂/∂s = 0
B. ∂/∂t = 0
C. ∂/∂s = constant
D. ∂/∂t = constant
Fluid Mechanics for Chemical
Schedule number of a pipe, which is a measure of its wall thickness, is given by ________________?
Schedule number of a pipe, which is a measure of its wall thickness, is given by ________________?
A. 1000 P’/S
B. 100 P’/S
C. 1000 S/P’
D. 10000 P’/S
For an unstable equilibrium of a floating body (where, M = metacentre.) ?
For an unstable equilibrium of a floating body (where, M = metacentre.) ?
A. M is above G
B. M is below G
C. M & G coincide
D. None of these
Laminar flow of a Newtonian fluid ceases to exist, when the Reynolds number exceeds___________________?
Laminar flow of a Newtonian fluid ceases to exist, when the Reynolds number exceeds___________________?
A. 4000
B. 2100
C. 1500
D. 3000
The equation f-0.5 = 4.07 loge (NRe √f)-0.6 is called the ____________?
The equation f-0.5 = 4.07 loge (NRe √f)-0.6 is called the ____________?
A. Colebrook formula
B. Von-Karman equation
C. Fanning equation
D. None of these
A Bingham fluid of viscosity μ = 10 Pa.s and yield stress, η0 = 10 KPa, is shared between flat parallel plates separated by a distance of 10-3 m. The top plate is moving with a velocity of 1 m/s. The shear stress on the plate is________________?
A Bingham fluid of viscosity μ = 10 Pa.s and yield stress, η0 = 10 KPa, is d between flat parallel plates separated by a distance of 10-3 m. The top plate is moving with a velocity of 1 m/s. The shear stress on the plate is________________?
A. 10 KPa
B. 20 KPa
C. 30 KPa
D. 40 KPa
The Prandtl Pitot tube measures the__________________?
The Prandtl Pitot tube measures the__________________?
A. Velocity at a point in the flow
B. Pressure at a point
C. Average flow velocity
D. Pressure difference in pipe flow
Dimension of absolute viscosity is_________________?
Dimension of absolute viscosity is_________________?
A. ML-1T-1
B. MLT-1
C. ML-1T
D. MLT
Purpose of hydraulic accumulator is to_______________?
Purpose of hydraulic accumulator is to_______________?
A. Ensure intermittent supply of hydraulic pressure
B. Increase the pressure and store/ accumulate it
C. Accumulate pressure to increase force
D. Generate high pressure to operate hydraulic machines like cranes, lifts, presses etc
All pipes of a particular nominal size have the same_________________?
All pipes of a particular nominal size have the same_________________?
A. Inside diameter
B. Outside diameter
C. Thickness
D. None of these