Hydraulics and Fluid Mechanics in ME The most economical section of a rectangular channel is one which has hydraulic mean depth or hydraulic radius equal to Twice the depth Twice the breadth Half the breadth Half the depth Twice the depth Twice the breadth Half the breadth Half the depth ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME A turbine is required to develop 1500 kW at 300 r.p.m. under a head of 150 m. Which of the following turbine should be used? Kaplan turbine Pelton wheel with two or more nozzles Francis turbine Pelton wheel with one nozzle Kaplan turbine Pelton wheel with two or more nozzles Francis turbine Pelton wheel with one nozzle ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The purpose of a surge tank is To regulate flow of water to turbines by providing necessary retarding head of water To control the pressure variations due to rapid changes in the pipe line flow To eliminate water hammer possibilities All of these To regulate flow of water to turbines by providing necessary retarding head of water To control the pressure variations due to rapid changes in the pipe line flow To eliminate water hammer possibilities All of these ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME A vertical wall is subjected to a pressure due to one kind of liquid, on one of its sides. The total pressure on the wall per unit length is (where w = Specific weight of liquid, and H = Height of liquid) wH2/2 wH2/3 wH/2 wH wH2/2 wH2/3 wH/2 wH ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME Hydrometer is used to determine specific gravity of liquids relative humidity specific gravity of solids specific gravity of gases specific gravity of liquids relative humidity specific gravity of solids specific gravity of gases ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME Air vessels in reciprocating pump are used to Smoothen flow Reduce acceleration to minimum Save pump from cavitations Increase pump efficiency Smoothen flow Reduce acceleration to minimum Save pump from cavitations Increase pump efficiency ANSWER DOWNLOAD EXAMIANS APP
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