Hydraulics and Fluid Mechanics in ME In a broad-crested weir, the discharge is maximum if the head of water on the downstream side of weir is __________ the head of water on the upstream side of weir. Equal to Three-fourth One-third Two-third Equal to Three-fourth One-third Two-third ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The impeller of a centrifugal pump may have Volute casing with guide blades Any one of these Vortex casing Volute casing Volute casing with guide blades Any one of these Vortex casing Volute casing ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The increase of temperature results in increase in viscosity of gas increase in viscosity of liquid decrease in viscosity of gas decrease in viscosity of liquid increase in viscosity of gas increase in viscosity of liquid decrease in viscosity of gas decrease in viscosity of liquid ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME Theoretical power required (in watts) to drive a reciprocating pump is (where w = Specific weight of liquid to be pumped in N/m3, Q = Discharge of the pump in m3/s, Hs = Suction head in meters, and Hd = Delivery head in meters) wQ (Hs - Hd) wQHd wQ (Hs + Hd) wQHs wQ (Hs - Hd) wQHd wQ (Hs + Hd) wQHs ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME Pascal-second is the unit of surface tension pressure dynamic viscosity kinematic viscosity surface tension pressure dynamic viscosity kinematic viscosity ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME When the Mach number is less than unity, the flow is called Super-sonic flow Sub-sonic flow Hyper-sonic flow Sonic flow Super-sonic flow Sub-sonic flow Hyper-sonic flow Sonic flow ANSWER DOWNLOAD EXAMIANS APP