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) × (R₁³ - R₂³) (μπ²N/60t) × (R₁⁴ - R₂⁴) (μπ²N/60t) × (R₁ - R₂) (μπ²N/60t) × (R₁² - R₂²) μπ²N/60t) × (R₁³ - R₂³) (μπ²N/60t) × (R₁⁴ - R₂⁴) (μπ²N/60t) × (R₁ - R₂) (μπ²N/60t) × (R₁² - R₂²) ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The pressure less than atmospheric pressure is known as Negative gauge pressure All of the listed here Suction pressure Vacuum pressure Negative gauge pressure All of the listed here Suction pressure Vacuum pressure ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The force of buoyancy is always __________ the weight of the liquid displaced by the body. Equal to None of these Less than More than Equal to None of these Less than More than ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The atmospheric pressure at sea level is 103 kN/m2 760 mm of mercury All of these 10.3 m of water 103 kN/m2 760 mm of mercury All of these 10.3 m of water ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The hydraulic efficiency of a reaction turbine, is the ratio of Work-done on the wheel to the energy (or head of water) actually supplied to the turbine Power produced by the turbine to the energy actually supplied by the turbine None of these Actual work available at the turbine to energy imparted to the wheel Work-done on the wheel to the energy (or head of water) actually supplied to the turbine Power produced by the turbine to the energy actually supplied by the turbine None of these Actual work available at the turbine to energy imparted to the wheel ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME A model of a reservior is drained in 4 mts by opening the sluice gate. The model scale is 1: 225. How long should it take to empty the prototype ? 4 minutes 4 (225)1/3 minutes 4 x V225 minutes 4 x (225)3/2 minutes 4 minutes 4 (225)1/3 minutes 4 x V225 minutes 4 x (225)3/2 minutes ANSWER DOWNLOAD EXAMIANS APP
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