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 80 r.p.m. 40 r.p.m. 20 r.p.m. 10 r.p.m. 80 r.p.m. 40 r.p.m. 20 r.p.m. 10 r.p.m. 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 Hm) / (Q × ηo) (w Q) / (Hm × ηo) (w Hm Q) / ηo (w Q ηo) / Hm (w Hm) / (Q × ηo) (w Q) / (Hm × ηo) (w Hm Q) / ηo (w Q ηo) / Hm ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The shear stress between the two liquid layers is __________ proportional to the distance between two layers. None of these Directly Inversely Both A and B None of these Directly Inversely Both A and B ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME According to fan laws, for fans having constant wheel diameter, the air or gas capacity varies Directly as fan speed Square of fan speed Square root of fan speed Cube of fan speed Directly as fan speed Square of fan speed Square root of fan speed Cube of fan speed ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME With the same cross-sectional area and immersed in same turbulent flow, the largest total drag will be on a circular disc of plate held normal to flow a cylinder a streamlined body a sphere a circular disc of plate held normal to flow a cylinder a streamlined body a sphere ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The discharge over a rectangular notch is Directly proportional to H5/2 Inversely proportional to H3/2 Inversely proportional to H5/2 Directly proportional to H3/2 Directly proportional to H5/2 Inversely proportional to H3/2 Inversely proportional to H5/2 Directly proportional to H3/2 ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS