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) × (R₁³ - R₂³) (μπ²N/60t) × (R₁ - R₂) (μπ²N/60t) × (R₁⁴ - R₂⁴) (μπ²N/60t) × (R₁² - R₂²) μπ²N/60t) × (R₁³ - R₂³) (μπ²N/60t) × (R₁ - R₂) (μπ²N/60t) × (R₁⁴ - R₂⁴) ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME When time of closure tc = L/v0 (where L is length of pipe and v0 is speed of pressure wave), the portion of pipe length subjected to maximum head is L/3 L L/2 L/4 L/3 L L/2 L/4 ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The flow in a pipe or channel is said to be uniform when The quantity of liquid flowing per second is constant The liquid particles at different sections have different velocities Each liquid particle has a definite path The liquid particles at all sections have the same velocities The quantity of liquid flowing per second is constant The liquid particles at different sections have different velocities Each liquid particle has a definite path The liquid particles at all sections have the same velocities ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The maximum efficiency of jet propulsion of a ship with inlet orifices at right angles to the direction of motion of ship, is 0.5 0.4 0.6 0.8 0.5 0.4 0.6 0.8 ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME A liquid compressed in cylinder has a volume of 0.04 m3 at 50 kg/cm² and a volume of 0.039 m3 at 150 kg/cm². The bulk modulus of elasticity of liquid is 400 kg/cm² 40 × 10⁶ kg/cm² 4000 kg/cm² 40 × 10⁵ kg/cm² 400 kg/cm² 40 × 10⁶ kg/cm² 4000 kg/cm² 40 × 10⁵ kg/cm² ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME Ratio of inertia force to surface Jension is known as Mach number Froude number Reynold’s number Weber’s number Mach number Froude number Reynold’s number Weber’s number ANSWER DOWNLOAD EXAMIANS APP
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