Hydraulics and Fluid Mechanics in ME An object having 10 kg mass weighs 9.81 kg on a spring balance. The value of 'g' at this place is 9.81 m/sec² 10 m/sec² 9.75 m/sec² 9 m/sec 9.81 m/sec² 10 m/sec² 9.75 m/sec² 9 m/sec ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME In a single casing, multistage pump running at constant speed, the capacity rating is to be slightly lowered. It can be done by Trimming the impeller size to the required size by machining Not possible Some other alterations in the impeller Designing new impeller Trimming the impeller size to the required size by machining Not possible Some other alterations in the impeller Designing new impeller ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME A fluid of kinematic viscosity 0.4 cm²/sec flows through a 8 cm diameter pipe. The maximum velocity for laminar flow will be 2 m/sec less than 1 m/sec 1.5 m/sec 1 m/sec 2 m/sec less than 1 m/sec 1.5 m/sec 1 m/sec ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME Property of a fluid by which its own molecules are attracted is called adhesion compressibility cohesion viscosity adhesion compressibility cohesion viscosity 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 ηo) / Hm (w Hm Q) / ηo (w Hm) / (Q × ηo) (w Q) / (Hm × ηo) (w Q ηo) / Hm (w Hm Q) / ηo (w Hm) / (Q × ηo) (w Q) / (Hm × ηo) ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME A jet of water discharging from a 40 mm diameter orifice has a diameter of 32 mm at its vena contracta. The coefficient of contraction is 0.87 0.46 0.78 0.64 0.87 0.46 0.78 0.64 ANSWER DOWNLOAD EXAMIANS APP
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