A. Thermal conductivity
B. Electrical conductivity
C. Specific gravity
D. Electrical resistivity
Related Mcqs:
- Venturimeters, orificemeters and nozzles are used to measure the fluid discharge from a pipeline. The average fluid velocity in a pipeline can be measured by a/an________________?
A. Weir
B. Hot wire anemometer
C. Cup and vane anemometer
D. None of these - For turbulent flow in smooth circular pipe, the velocity distribution is a function of the distance ‘d’ measured from the wall of the pipe and the friction velocity ‘v’, and it follows a _____________ relationship?
A. Logarithmic
B. Linear
C. Hyperbolic
D. Parabolic - Umf is the minimum fluidisation velocity for a bed of particles. An increase in the superficial gas velocity from 2 Umf to 2.5 Umf results in (all velocities are smaller than the entrainment velocity of the particles) no change in the_______________?
A. Drag on particles
B. Drag on column walls
C. Bed height
D. Bed voidage - Cd, Cc and Cv are related (for flow through an orifice) as (where, Cd = discharge co-efficient, Cc = co-efficient of contraction = (area of jet at vena-contracta/area of opening), Cv = co-efficient of velocity = (actual velocity at vena-contracta/theoretical velocity)?
A. Cd = Cc/Cv
B. Cd = Cc.Cv
C. Cd = Cv/ Cc
D. None of these - For liquid flow through a packed bed, the superficial velocity as compared to average velocity through the channel in the bed is________________?
A. More
B. Less
C. Equal
D. Independent of porosity - The energy loss over a length of pipeline according to Darcy-Weisbach equation for pipe flow is _______________ the mean velocity of flow?
A. Directly proportional to
B. Directly proportional to square of
C. Inversely proportional to
D. Inversely proportional to square of - For laminar flow of Newtonian fluid in a circular pipe, the velocity distribution is a function of the distance ‘d’ measured from the centre line of the pipe, and it follows a ______________ relationship?
A. Logarithmic
B. Parabolic
C. Hyperbolic
D. Linear - Working principle of manometer comprises of balancing a coloumn of liquid against the pressure to be measured. Inclined tube manometer is especially used for the measurement of ______________ pressure?
A. Small differential
B. Atmospheric
C. Absolute
D. Gage - The velocity profile exhibited by laminar flow of Newtonian fluids is such that the velocity distribution w.r.t. radius of the circular pipe is a/an ______________ with the apex at the centre line of the pipe?
A. Hyperbola
B. Parabola
C. Semi-circle
D. Semi-ellipse - Pressure difference between two points in vessels, pipelines or in two different pipelines can be measured by a differential manometer. The pressure difference measured as the mm of water column in case of mercury-water, differential manometer is equal to (where, H = difference in height of mercury column in mm)?
A. H
B. 12.6 H
C. 13.6 H
D. 14.6 H
