Hydraulics and Fluid Mechanics in ME The surface tension of mercury at normal temperature is __________ that of water. Lower than Higher than None of these Same as Lower than Higher than None of these Same as ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME Surge wave in a rectangular channel is an example ofi) steady flowii) unsteady flowiii) uniform flowiv) non-uniform flowThe correct answer is (ii) and (iii) (ii) and (iv) (i) and (iii) (i) and (iv) (ii) and (iii) (ii) and (iv) (i) and (iii) (i) and (iv) ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME Which type of the pump is different from others in the same group? Plunger pump Cam and piston pump Gear pump Screw pump Plunger pump Cam and piston pump Gear pump Screw pump ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The efficiency of a Pelton wheel working under constant head ________ with the increase in power. Remain same Increases None of these Decreases Remain same Increases None of these Decreases ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME A channel is said to be of most economical cross-section, if All of these It gives maximum discharge for a given cross-sectional area and bed slope It has minimum wetted perimeter It involves lesser excavation for the designed amount of discharge All of these It gives maximum discharge for a given cross-sectional area and bed slope It has minimum wetted perimeter It involves lesser excavation for the designed amount of discharge ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The error in discharge (dQ/Q) to the error in measurement of head (dH/H) over a triangular notch is given by dQ/Q = 2 × (dH/H) dQ/Q = 5/2 × (dH/H) dQ/Q = 3 × (dH/H) dQ/Q = 3/2 × (dH/H) dQ/Q = 2 × (dH/H) dQ/Q = 5/2 × (dH/H) dQ/Q = 3 × (dH/H) dQ/Q = 3/2 × (dH/H) ANSWER DOWNLOAD EXAMIANS APP