Remote control valve is a _______________ valve?
A. Gate
B. Butterfly
C. Needle
D. Globe
Fluid Mechanics for Chemical
With increase in temperature, the vapor pressure of liquids__________________?
With increase in temperature, the vapor pressure of liquids__________________?
A. Increases
B. Increases linearly
C. Decreases
D. Remain constant
Medium viscosity lubricating oil can be most ideally pumped by a ______________ pump?
Medium viscosity lubricating oil can be most ideally pumped by a ______________ pump?
A. Vane
B. Piston
C. Centrifugal
D. Plunger
Differential manometer measures the____________________?
Differential manometer measures the____________________?
A. Atmospheric pressure
B. Sub-atmospheric pressure
C. Pressure difference between two points
D. None of these
The variable required to be known in correlations used for estimating the horse power of a centrifugal gas compressor and hence its cost is P. Inlet pressure Q. Compressor rpm R. Delivery pressure S. Volumetric flow rate at inlet ?
The variable required to be known in correlations used for estimating the horse power of a centrifugal gas compressor and hence its cost is P. Inlet pressure Q. Compressor rpm R. Delivery pressure S. Volumetric flow rate at inlet ?
A. P, Q and R
B. P and R
C. R and S
D. P, Rand S
Velocity distribution for flow between two fixed parallel plates_________________?
Velocity distribution for flow between two fixed parallel plates_________________?
A. Varies parabolically across the section
B. Is constant over the entire cross-section
C. Is zero at the plates and increases linearly to the mid-plane
D. None of these
Upto what value of ‘Mach number’, a fluid may be considered as incompressible ?
Upto what value of ‘Mach number’, a fluid may be considered as incompressible ?
A. 0.03
B. 0.3
C. 3
D. 10
Where does the maximum stress occur in case of laminar flow of incompressible fluid in a closed conduit of diameter ‘d’ ?
Where does the maximum stress occur in case of laminar flow of incompressible fluid in a closed conduit of diameter ‘d’ ?
A. At the centre
B. At d/4 from the wall
C. At the wall
D. At d/8 from the wall
Mass velocity in case of steady flow and through a constant cross-section conduit is independent of the _________________?
Mass velocity in case of steady flow and through a constant cross-section conduit is independent of the _________________?
A. Temperature
B. Pressure
C. Both A. & B.
D. Neither A. nor B.
The equivalent diameter for flow through a rectangular duct of width B and height H is___________________?
The equivalent diameter for flow through a rectangular duct of width B and height H is___________________?
A. HB/2 (H + B)
B. HB/(H + B)
C. 2HB/(H + B)
D. 4HB/(H + B)