Search
.Management Sciences
Category: Fluid Mechanics for Chemical
Vane anemometer __________________?
A. Is an area meter
B. Is a variable head meter
C. Rotates an element at a speed determined by the velocity of the fluid in which the meter is
immersed
D. None of these
The continuity equation of fluid mechanics utilises the principle of conservation of _________________?
A. Momentum
B. Mass
C. Energy
D. Both B. & C.
Horsepower increase of a centrifugal gas compressor without altering the volumetric flow rate will _____________ the gas discharge pressure?
A. Increase
B. Decrease
C. Not change
D. Exponentially decrease
If in a flow field, between any two points, then the flow must be___________________?
A. Steady, incompressible, irrotational
B. Steady, compressible, irrotational
C. Steady, compressible and along a streamline
D. Unsteady, incompressible, irrotational
For very low pressure and high discharge rate, the compressor used is a/an ______________ compressor?
A. Axial
B. Reciprocating
C. Rotary
D. None of these
Bernoulli’s equation is dependent on the__________________?
A. First law of thermodynamics
B. Third law of thermodynamics
C. Law of conservation of momentum
D. None of these
The head loss due to sudden expansion is__________________?
A. (V12 – V22)/2gc
B. (V1 – V2)2/2gc
C. (V1 – V2)/2gc
D. (V12 – V22)/gc
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
A centrifugal pump used to pump water is used to pump an oil with specific gravity of 0.8 at the same rate. The power consumption will now_________________?
A. Increase
B. Decrease
C. Remain same
D. Data insufficient to predict
Recent Comments