Fluid Mechanics Which of the following is used for very accurate measurement of flow of gas at low velocity? Rotameter Pitot tube Segmental orificemeter Hot wire annemometer Rotameter Pitot tube Segmental orificemeter Hot wire annemometer ANSWER DOWNLOAD EXAMIANS APP
Fluid Mechanics A differential pressure cell is used for Measuring small pressure difference in gases Remote recording of pressure difference Measuring the difference of the impact & the static pressure Measuring small pressure difference in liquids Measuring small pressure difference in gases Remote recording of pressure difference Measuring the difference of the impact & the static pressure Measuring small pressure difference in liquids ANSWER DOWNLOAD EXAMIANS APP
Fluid Mechanics Foot valves are provided in the suction line of a centrifugal pump to Minimise the fluctuation in discharge Remove the contaminant present in the liquid Avoid priming, every time we start the pump Control the liquid discharge Minimise the fluctuation in discharge Remove the contaminant present in the liquid Avoid priming, every time we start the pump Control the liquid discharge ANSWER DOWNLOAD EXAMIANS APP
Fluid Mechanics In case of turbulent flow of a Newtonion fluid in a straight pipe, the maximum velocity is equal to (where, Vavg = average fluid velocity) 1.2 Vavg 1.5 Vavg 1.8 Vavg Vavg 1.2 Vavg 1.5 Vavg 1.8 Vavg Vavg ANSWER DOWNLOAD EXAMIANS APP
Fluid Mechanics If the head over the triangular notch is doubled, the discharge will increase by __________ times. 2 5.657 4 2.828 2 5.657 4 2.828 ANSWER DOWNLOAD EXAMIANS APP
Fluid Mechanics The hydrodynamic and thermal boundary layers will merge, when Nusselt number tends to infinity Archimedes number is greater than 10000 Schmidt number tends to infinity Prandtl number is one Nusselt number tends to infinity Archimedes number is greater than 10000 Schmidt number tends to infinity Prandtl number is one ANSWER DOWNLOAD EXAMIANS APP