Hydraulics and Fluid Mechanics in ME The depth of the center of pressure on a vertical rectangular gate 8 m wide and 6 m high, when the water surface coincides with the top of the gate, is 2.5 m 2.4 m 3.0 m 4.0 m 2.5 m 2.4 m 3.0 m 4.0 m 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 involves lesser excavation for the designed amount of discharge It gives maximum discharge for a given cross-sectional area and bed slope It has minimum wetted perimeter All of these It involves lesser excavation for the designed amount of discharge It gives maximum discharge for a given cross-sectional area and bed slope It has minimum wetted perimeter ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME A hydraulic press has a ram of 15 cm diameter and plunger of 1.5 cm. It is required to lift a weight of 1 tonne. The force required on plunger is equal tc 10 kg 100 kg 1000 kg 1 kg 10 kg 100 kg 1000 kg 1 kg ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The pressure intensity in kN/m2 (or kPa) at any point in a liquid is (where w = Specific weight of liquid, and h = Depth of liquid from the surface) wh w h/w w/h wh w h/w w/h 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 Sonic flow Hyper-sonic flow Sub-sonic flow Super-sonic flow Sonic flow Hyper-sonic flow Sub-sonic flow ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The overall efficiency for a Pelton wheel lies between 0.75 to 0.85 0.50 to 0.65 0.85 to 0.90 0.65 to 0.75 0.75 to 0.85 0.50 to 0.65 0.85 to 0.90 0.65 to 0.75 ANSWER DOWNLOAD EXAMIANS APP