Hydraulics and Fluid Mechanics in ME When a body is placed over a liquid, it will float if Gravitational force is more than the up-thrust of the liquid Gravitational force is less than the up-thrust of the liquid None of these Gravitational force is equal to the up-thrust of the liquid Gravitational force is more than the up-thrust of the liquid Gravitational force is less than the up-thrust of the liquid None of these Gravitational force is equal to the up-thrust of the liquid ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The power transmitted through the pipe is maximum when the head lost due to friction is equal to One-fourth of the total supply head One-half of the total supply head Two-third of the total supply head One-third of the total supply head One-fourth of the total supply head One-half of the total supply head Two-third of the total supply head One-third of the total supply head ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME One poise is equal to 1 N-s/m2 100 N-s/m2 10 N-s/m2 0.1 N-s/m2 1 N-s/m2 100 N-s/m2 10 N-s/m2 0.1 N-s/m2 ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The loss of head due to friction in a pipe of uniform diameter in which a viscous flow is taking place, is (where RN = Reynold number) 4/RN 16/RN 64/RN 1/RN 4/RN 16/RN 64/RN 1/RN 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 Hm) / (Q × ηo) (w Q ηo) / Hm (w Q) / (Hm × ηo) (w Hm Q) / ηo (w Hm) / (Q × ηo) (w Q ηo) / Hm (w Q) / (Hm × ηo) ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The flow in a pipe is turbulent when Reynold number is Between 2000 and 2800 Less than 2000 None of these More than 2800 Between 2000 and 2800 Less than 2000 None of these More than 2800 ANSWER DOWNLOAD EXAMIANS APP