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.Management Sciences
Category: Fluid Mechanics for Chemical
When the momentum of one fluid is used for moving another fluid, such a device is called a/an______________?
A. Jet pump
B. Blower
C. Acid egg
D. None of these
Which of the following is a Newtonian fluid ?
A. Rubber latex
B. Sewage sludge
C. Quicksand
D. Non-colloidal solution
For a stable equilibrium of a submerged body (where, G and B are centres of gravity & buoyancy respectively) ?
A. G is above B
B. B is above G
C. B & G coincide
D. None of these
The energy equation, E + (p/ρ) + (V2/2g) + gZ = constant (E = internal energy/mass), is applicable to___________________?
A. Perfect gases only
B. Isothermal flow of gases
C. Adiabatic unsteady flow of gases
D. All compressible fluids
Paper pulp is an example of _____________ fluid?
A. Dilatant
B. Bingham plastic
C. Newtonian
D. Pseudo-plastic
Pick out the correct statement pertaining to the flow through a converging-diverging tube ?
A. The value of Mach number is always unity at the throat
B. No shock wave develops in the tube when the Mach number at exit is greater than unity
C. Throughout the converging portion of the tube, the density increases in the downstream
direction
D. None of these
The fluid jet discharging from a 2″ diameter orifice has a diameter of 1.75″ at its venacontracta. The co-efficient of contraction is___________________?
A. 1.3
B. 0.766
C. 0.87
D. None of these
The fluid in which the shearing stress within it is proportional to the velocity gradient across the sheared section, is called a _____________ fluid?
A. Bingham
B. Newtonian
C. Perfect
D. None of these
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
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