Cocks are used to control ___________________?
Cocks are used to control ___________________?
A. Water
B. Any liquid
C. Solids
D. None of these
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In turbulent flow, the__________________?
In turbulent flow, the__________________?A. Fluid particles move in an orderly manner
B. Momentum transfer is on molecular scale only
C. Shear stress is caused more effectively by cohesion than momentum transfer
D. Shear stresses are generally larger than in a similar laminar flowPower requirement of fans having constant wheel diameter varies _____________ fan speed?
Power requirement of fans having constant wheel diameter varies _____________ fan speed?A. As square of
B. Directly as
C. As cube of
D. None of theseA streamline is a line in flow field _________________?
A streamline is a line in flow field _________________?A. That is traced by all the fluid particles passing through a given point
B. Along which a fluid particle travels
C. Such that at every point on it, the velocity is tangential to it
D. None of theseThe length of the tube necessary for the boundary layer to reach the centre of the tube and for fully developed flow to be established is called the _____________ length?
The length of the tube necessary for the boundary layer to reach the centre of the tube and for fully developed flow to be established is called the _____________ length?A. Equivalent
B. Transition
C. Prandtl mixing
D. None of theseAll 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 theseThe frictional resistance in laminar flow does not depend on the_________________?
The frictional resistance in laminar flow does not depend on the_________________?A. Area of surface in contact
B. Flow velocity
C. Fluid temperature
D. Pressure of flow