Fluid Mechanics Capillary rise of mercury in a small diameter tube is proportional to (where, d = diameter of the tube, σ = surface tension of mercury) D 1/d Σ L/σ D 1/d Σ L/σ ANSWER DOWNLOAD EXAMIANS APP
Fluid Mechanics Unit of mass velocity is Kg/m³. hr Kg/m². hr Kg/hr Kg/m² Kg/m³. hr Kg/m². hr Kg/hr Kg/m² ANSWER DOWNLOAD EXAMIANS APP
Fluid Mechanics A centrifugal pump is used to pump water through a horizontal distance of 150 m, and then raised to an overhead tank 10 m above. The pipe is smooth with an I.D of 50 mm. What head (m of water) must the pump generate at its exit (E) to deliver water at a flow rate of 0.001 m³/s? The Fanning friction factor, f is 0.0062. 11 m 10 m 20 m 12 m 11 m 10 m 20 m 12 m ANSWER DOWNLOAD EXAMIANS APP
Fluid Mechanics While starting a centrifugal pump, its delivery valve should be kept Either opened or closed ; it does not make any difference Closed Opened Either opened or closed; depending on the fluid viscosity Either opened or closed ; it does not make any difference Closed Opened Either opened or closed; depending on the fluid viscosity ANSWER DOWNLOAD EXAMIANS APP
Fluid Mechanics The fluid velocity varies as the cube of the cylinderical pipe diameter in case of steady state laminar flow at constant pressure drop for __________ fluid. Bingham plastic Pseudoplastic Newtonion Dilatent Bingham plastic Pseudoplastic Newtonion Dilatent ANSWER DOWNLOAD EXAMIANS APP
Fluid Mechanics Pressure drop in a fluidised bed reactor is __________ that in a similar packed bed reactor. Less than None of these More than Same as Less than None of these More than Same as ANSWER DOWNLOAD EXAMIANS APP