Hydraulics and Fluid Mechanics in ME The speed of an imaginary turbine, identical with the given turbine, which will develop a unit power under a unit head, is known as Normal speed Specific speed None of these Unit speed Normal speed Specific speed None of these Unit speed ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME Hydraulic accumulator is used for Accumulating oil Generally high pressures to operate hydraulic machines Supplying energy when main supply fails Supplying large quantities of oil for very short duration Accumulating oil Generally high pressures to operate hydraulic machines Supplying energy when main supply fails Supplying large quantities of oil for very short duration ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME In a single casing, multistage pump running at constant speed, the capacity rating is to be slightly lowered. It can be done by Some other alterations in the impeller Designing new impeller Not possible Trimming the impeller size to the required size by machining Some other alterations in the impeller Designing new impeller Not possible Trimming the impeller size to the required size by machining ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The intensity of pressure at any point, in a liquid, is __________ to the depth of liquid from the surface. Directly proportional Inversely proportional None of these Equal Directly proportional Inversely proportional None of these Equal ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME When a body is immersed wholly or partially in a liquid, it is lifted up by a force equal to the weight of liquid displaced by the body. This statement is called Archimedes’s principle Bernoulli’s theorem Principle of flotation Pascal’s law Archimedes’s principle Bernoulli’s theorem Principle of flotation Pascal’s law ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME A metal with specific gravity of 'a' floating in a fluid of same specific gravity 'a' will Be fully immersed with top surface at fluid surface Partly immersed Sink to bottom Float over fluid Be fully immersed with top surface at fluid surface Partly immersed Sink to bottom Float over fluid ANSWER DOWNLOAD EXAMIANS APP
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