Hydraulics and Fluid Mechanics in ME According to fan laws, for the fans having constant wheel diameters, the power demand varies Square root of fan speed Square of fan speed Directly as fan speed Cube of fan speed Square root of fan speed Square of fan speed Directly as fan speed Cube of fan speed ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME In an isothermal atmosphere, the pressure decreases linearly with elevation varies in the same way as the density remains constant increases exponentially with elevation decreases linearly with elevation varies in the same way as the density remains constant increases exponentially with elevation ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME Which of the following instruments is used to measure flow on the application of Bernoulli’s theorem pitot tube Orifice plate Venturimeter All of these pitot tube Orifice plate Venturimeter All of these ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME If V1 and V2 are the velocities of water at inlet and outlet of the draft tube respectively, then the efficiency of a draft tube is V1² / (V1² - V2²) V1 / (V1 - V2) (V1² - V2²) / V1² (V1 - V2) / V1 V1² / (V1² - V2²) V1 / (V1 - V2) (V1² - V2²) / V1² (V1 - V2) / V1 ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME In a footstep bearing, if the speed of the shaft is doubled, then the torque required to overcome the viscous resistance will be Double Sixteen times Eight times Four times Double Sixteen times Eight times Four times ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The time oscillation of a floating body with increase in meatcentric height will be Lower/higher depending on weight of body Higher Same Lower Lower/higher depending on weight of body Higher Same Lower ANSWER DOWNLOAD EXAMIANS APP
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