Which of the following is used for very accurate measurement of flow of gas at low velocity? Rotameter Pitot tube Hot wire annemometer Segmental orificemeter TRUE ANSWER : ? YOUR ANSWER : ?
A fluid which has a linear relationship between the magnitude of applied shear-stress and the resulting rate of deformation is called a/an __________ fluid. Incompressible Newtonion Ideal Non-Newtonion TRUE ANSWER : ? YOUR ANSWER : ?
The __________ is measured by a piezometric opening. Static pressure Total pressure Point velocity Dynamic pressure TRUE ANSWER : ? YOUR ANSWER : ?
In Newton's law range, the drag co-efficient for the motion of spherical particle in a stationary fluid is 44 0.44 4.4 0.044 TRUE ANSWER : ? YOUR ANSWER : ?
Bed pressure drop in an air fluidised bed of catalyst particles (ρp = 200 kg/m³, Dp = 0.05 cm) of 60 cm bed depth and bed porosity of 0.5 expressed in cm of water (manometer) is 60 90 30 45 TRUE ANSWER : ? YOUR ANSWER : ?
Terminal velocity is None of these Attained after moving one-half of total distance A fluctuating velocity A constant velocity with no acceleration TRUE ANSWER : ? YOUR ANSWER : ?
Prandtl mixing length is A universal constant None of these Zero at the pipe wall Applicable to laminar flow problems TRUE ANSWER : ? YOUR ANSWER : ?
Momentum transfer in laminar flow of fluids results due to the Viscosity None of these Velocity gradient Density TRUE ANSWER : ? YOUR ANSWER : ?
Pressure drag does not depend upon the Length of the body in flow direction Roughness of surface of the body Pressure of main flow only All of these TRUE ANSWER : ? YOUR ANSWER : ?
Volume of liquid displaced by a floating body is equivalent to its Own weight Own volume Submerged weight Submerged volume TRUE ANSWER : ? YOUR ANSWER : ?