Hydraulics and Fluid Mechanics in ME The efficiency of a Pelton wheel working under constant head ________ with the increase in power. Remain same None of these Decreases Increases Remain same None of these Decreases Increases ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME When an internal mouthpiece is running free, the discharge through the mouthpiece is (where a = Area of mouthpiece, and H = Height of liquid above the mouthpiece) 0.855 a. √2gH 0.707 a. √2gH √2gH 0.5 a. √2gH 0.855 a. √2gH 0.707 a. √2gH √2gH 0.5 a. √2gH ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME When a plate is immersed in a liquid parallel to the flow, it will be subjected to a pressure __________ that if the same plate is immersed perpendicular to the flow. Equal to None of these More than Less than Equal to None of these More than Less than ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The angle of contact in case of a liquid depends upon the material which exists above the free surface of the liquid any one of the above the nature of the liquid and the solid both of die above the material which exists above the free surface of the liquid any one of the above the nature of the liquid and the solid both of die above ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME In a reciprocating pump, air vessels are used to Reduce acceleration head Smoothen the flow Increase delivery head Reduce suction head Reduce acceleration head Smoothen the flow Increase delivery head Reduce suction head ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The capillary rise at 20°C in a clean glass tube of 1 mm bore containing water is ap-proximately 10 mm 30 mm 20 mm 5 mm 10 mm 30 mm 20 mm 5 mm ANSWER DOWNLOAD EXAMIANS APP