Hydraulics and Fluid Mechanics in ME The water in a jet propelled boat is drawn through the openings facing the direction of motion of the boat. The efficiency of propulsion is given by 2V/(vr - v) V/(vr - v) V/(vr + v) 2V/(vr + v) 2V/(vr - v) V/(vr - v) V/(vr + v) 2V/(vr + v) ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME If a vessel containing liquid moves downward with a constant acceleration equal to ‘g’ then the pressure in the liquid mass is greater than hydrostatic pressure the pressure throughout the liquid mass is atmospheric there will be vacuum in the liquid None of these the pressure in the liquid mass is greater than hydrostatic pressure the pressure throughout the liquid mass is atmospheric there will be vacuum in the liquid None of these 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) × (R₁² - R₂²) (μπ²N/60t) × (R₁⁴ - R₂⁴) (μπ²N/60t) × (R₁ - R₂) μπ²N/60t) × (R₁³ - R₂³) (μπ²N/60t) × (R₁² - R₂²) (μπ²N/60t) × (R₁⁴ - R₂⁴) (μπ²N/60t) × (R₁ - R₂) μπ²N/60t) × (R₁³ - R₂³) ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME A fluid which obeys the Newton's law of viscosity is termed as Newtonian fluid Ideal fluid Non-Newtonian fluid Real fluid Newtonian fluid Ideal fluid Non-Newtonian fluid Real fluid ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME In a reciprocating pump, air vessels are used to Reduce acceleration head Increase delivery head Smoothen the flow Reduce suction head Reduce acceleration head Increase delivery head Smoothen the flow Reduce suction head ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The discharge through an external mouthpiece is given by (where a = Cross-sectional area of the mouthpiece, and H = Height of liquid above the mouthpiece) 5.85 aH.√(2g) 0.855 a.√(2gH) 1.585 a.√(2gH) 1.855 aH.√(2g) 5.85 aH.√(2g) 0.855 a.√(2gH) 1.585 a.√(2gH) 1.855 aH.√(2g) ANSWER DOWNLOAD EXAMIANS APP
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