Fluid Mechanics for Chemical MCQs

724 MCQs  — Chemical Engineering MCQs  (Page 17 of 73)

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
The time of oscillation of a floating body is _________________?
A. Longer, if metacentric height is increased
B. Independent of the metacentric height
C. Dependent on the buoyant forces only
D. None of these
Enamels and paints are generally _______________ fluid?
A. Rheopectic
B. Pseudo-plastic
C. Thixotropic
D. Dilatant
The distance between metacentre and ______________ is called metacentric height?
A. Water surface
B. Centre of gravity
C. Centre of buoyancy
D. None of these
______________ is an example of axial flow impeller?
A. Paddle
B. Turbine
C. Propeller
D. All a., b. and c.
An ideal fluid is___________________?
A. Frictionless & incompressible
B. One, which obeys newton’s law of viscosity
C. Highly viscous
D. None of these