Hydraulics and Fluid Mechanics in ME A Pelton wheel working under a constant head and discharge, has maximum efficiency when the speed ratio is 0.26 0.56 0.36 0.46 0.26 0.56 0.36 0.46 ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The pressure in the air space above an oil (sp. gr. 0.8) surface in a tank is 0.1 kg/cm". The pressure at 2.5 m below the oil surface will be 3 metres of water column 2 metres of water column 4 m of water column 3.5 metres of water column 3 metres of water column 2 metres of water column 4 m of water column 3.5 metres of water column ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME Coefficient of velocity is defined as the ratio of Actual discharge through an orifice to the theoretical discharge Area of jet at vena contracta to the area of orifice Actual velocity of jet at vena contracta to the theoretical velocity None of these Actual discharge through an orifice to the theoretical discharge Area of jet at vena contracta to the area of orifice Actual velocity of jet at vena contracta to the theoretical velocity None of these ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME A weir is said to be narrow-crested weir, if the width of the crest of the weir is __________ half the height of water above the weir crest. None of these More than Less than Equal to None of these More than Less than Equal to ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME Dynamic viscosity of most of the gases with rise in temperature unpredictable decreases remains unaffected increases unpredictable decreases remains unaffected increases ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The highest efficiency is obtained with a channel of __________ section. Square Circular Trapezoidal Rectangular Square Circular Trapezoidal Rectangular ANSWER DOWNLOAD EXAMIANS APP
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