Hydraulics and Fluid Mechanics in ME A channel is said to be of most economical cross-section, if It has minimum wetted perimeter All of these It involves lesser excavation for the designed amount of discharge It gives maximum discharge for a given cross-sectional area and bed slope It has minimum wetted perimeter All of these It involves lesser excavation for the designed amount of discharge It gives maximum discharge for a given cross-sectional area and bed slope ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME Which of the following manometer has highest sensitivity inclined U-tube U-tube with water U-tube with mercury micro-manometer with water inclined U-tube U-tube with water U-tube with mercury micro-manometer with water ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME A piece weighing 3 kg in air was found to weigh 2.5 kg when submerged in water. Its specific gravity is 5 7 6 1 5 7 6 1 ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME Power required (in watts) to drive a centrifugal pump is (where Hm = Manometric head in metres, w = Specific weight in N/m3, Q = Discharge of the pump in m3/s, and ηo = Overall efficiency of the pump) (w Q) / (Hm × ηo) (w Hm Q) / ηo (w Hm) / (Q × ηo) (w Q ηo) / Hm (w Q) / (Hm × ηo) (w Hm Q) / ηo (w Hm) / (Q × ηo) (w Q ηo) / Hm ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME A Pelton wheel develops 1750 kW under a head of 100 meters while running at 200 r.p.m. and discharging 2500 liters of water per second. The unit speed of the wheel is 10 r.p.m. 20 r.p.m. 80 r.p.m. 40 r.p.m. 10 r.p.m. 20 r.p.m. 80 r.p.m. 40 r.p.m. ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME In an inward flow reaction turbine The water flows parallel to the axis of the wheel The water enters at the center of the wheel and then flows towards the outer periphery of the wheel The flow of water is partly radial and partly axial The water enters the wheel at the outer periphery and then flows towards the center of the wheel The water flows parallel to the axis of the wheel The water enters at the center of the wheel and then flows towards the outer periphery of the wheel The flow of water is partly radial and partly axial The water enters the wheel at the outer periphery and then flows towards the center of the wheel ANSWER DOWNLOAD EXAMIANS APP