Hydraulics and Fluid Mechanics in ME Head developed by a centrifugal pump depends on Impeller diameter Speed Both (A) and (B) above Fluid density Impeller diameter Speed Both (A) and (B) above Fluid density ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME Impulse turbine is generally fitted About 2.5 m above the tail race to avoid cavitations Little above the tail race At the level of tail race Slightly below the tail race About 2.5 m above the tail race to avoid cavitations Little above the tail race At the level of tail race Slightly below the tail race ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME Coefficient of contraction is the ratio of Actual velocity of jet at vena contracta to the theoretical velocity Loss of head in the orifice to the head of water available at the exit of the orifice Loss of head in the orifice to the head of water available at the exit of the orifice Area of jet at vena-contracta to the area of orifice Actual velocity of jet at vena contracta to the theoretical velocity Loss of head in the orifice to the head of water available at the exit of the orifice Loss of head in the orifice to the head of water available at the exit of the orifice Area of jet at vena-contracta to the area of orifice ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The torque required to overcome viscous resistance of a collar bearing is (where R1 and R2 = External and internal radius of collar) (μπ²N/60t) × (R₁ - R₂) (μπ²N/60t) × (R₁² - R₂²) μπ²N/60t) × (R₁³ - R₂³) (μπ²N/60t) × (R₁⁴ - R₂⁴) (μπ²N/60t) × (R₁ - R₂) (μπ²N/60t) × (R₁² - R₂²) μπ²N/60t) × (R₁³ - R₂³) (μπ²N/60t) × (R₁⁴ - R₂⁴) ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The undershot water wheels are those in which The wheel runs entirely by the impulse of water None of these The wheel runs partly by the weight of water and partly by the impulse of water The wheel runs entirely by the weight of water The wheel runs entirely by the impulse of water None of these The wheel runs partly by the weight of water and partly by the impulse of water The wheel runs entirely by the weight of water ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME According to fan laws, for fans having constant wheel diameter, the air or gas capacity varies Square of fan speed Square root of fan speed Directly as fan speed Cube of fan speed Square of fan speed Square root of fan speed Directly as fan speed Cube of fan speed ANSWER DOWNLOAD EXAMIANS APP
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