Fluid Mechanics Vane anemometer Rotates an element at a speed determined by the velocity of the fluid in which the meter is immersed None of these Is a variable head meter Is an area meter Rotates an element at a speed determined by the velocity of the fluid in which the meter is immersed None of these Is a variable head meter Is an area meter ANSWER DOWNLOAD EXAMIANS APP
Fluid Mechanics What is the value of Fanning friction factor f ' for smooth pipe at NRe = 10⁶ approximately? 0.01 0.003 0.3 0.1 0.01 0.003 0.3 0.1 ANSWER DOWNLOAD EXAMIANS APP
Fluid Mechanics Two fluids are flowing through two similar pipes of the same diameter. The Reynold's number is same. For the same flow rate if the viscosity of a fluid is reduced to half the value of the first fluid, the pressure drop will Data insufficient to predict relative pressure drop Decrease Increase Remain unchanged Data insufficient to predict relative pressure drop Decrease Increase Remain unchanged ANSWER DOWNLOAD EXAMIANS APP
Fluid Mechanics A lubricant 100 times more viscous than water would have a viscosity (in Pa.s) 1 0.01 0.1 10 1 0.01 0.1 10 ANSWER DOWNLOAD EXAMIANS APP
Fluid Mechanics Steady flow occurs, when the Conditions change steadily with time Conditions are the same at the adjacent points at any instant Rate of the velocity change is constant Conditions do not change with time at any point Conditions change steadily with time Conditions are the same at the adjacent points at any instant Rate of the velocity change is constant Conditions do not change with time at any point ANSWER DOWNLOAD EXAMIANS APP
Fluid Mechanics In case of turbulent flow of a Newtonion fluid in a straight pipe, the maximum velocity is equal to (where, Vavg = average fluid velocity) 1.8 Vavg Vavg 1.5 Vavg 1.2 Vavg 1.8 Vavg Vavg 1.5 Vavg 1.2 Vavg ANSWER DOWNLOAD EXAMIANS APP
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