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 In a reaction turbine, the draft tube is used To increase the head of water by an amount equal to the height of the runner outlet above the tail race To run the turbine full To transport water to downstream To prevent air to enter the turbine To increase the head of water by an amount equal to the height of the runner outlet above the tail race To run the turbine full To transport water to downstream To prevent air to enter the turbine ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME If a pump is handling water and is discharging a certain flow Q at a constant total dynamic head requiring a definite B.H.P., the same pump when handling a liquid of specific gravity 0.75 and viscosity nearly same as of water would discharge 1.5 Q Q/0.75 0.75 Q Same quantity of liquid 1.5 Q Q/0.75 0.75 Q Same quantity of liquid ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME In a reciprocating pump, air vessels are used to Increase delivery head Reduce suction head Reduce acceleration head Smoothen the flow Increase delivery head Reduce suction head Reduce acceleration head Smoothen the flow ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The most efficient section of a channel is Trapezoidal Triangular Square Rectangular Trapezoidal Triangular Square Rectangular ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME Maximum impulse will be developed in hydraulic ram when Waste valve closes suddenly Ram chamber is large Supply pipe is long Supply pipe is short Waste valve closes suddenly Ram chamber is large Supply pipe is long Supply pipe is short ANSWER DOWNLOAD EXAMIANS APP
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