Hydraulics and Fluid Mechanics in ME The torque required to overcome viscous resistance of a footstep bearing is (where μ = Viscosity of the oil, N = Speed of the shaft, R = Radius of the shaft, and t = Thickness of the oil film) μπ²NR⁴/60t μπ²NR³/60t μπ²NR/60t μπ²NR²/60t μπ²NR⁴/60t μπ²NR³/60t μπ²NR/60t μπ²NR²/60t ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The flow rate in gear pump More or less remains constant with increase in pressure Increases with increase in pressure Decreases with increase in pressure Unpredictable More or less remains constant with increase in pressure Increases with increase in pressure Decreases with increase in pressure Unpredictable ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME In case of flow through parallel pipes, The total discharge is equal to the sum of discharges in the various pipes The total head loss is the sum of head losses in the various pipes Both (A) and (B) The head loss for all the pipes is same The total discharge is equal to the sum of discharges in the various pipes The total head loss is the sum of head losses in the various pipes Both (A) and (B) The head loss for all the pipes is same ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME According to Darcy's formula, the loss of head due to friction in the pipe is (where f = Darcy's coefficient, l = Length of pipe, v = Velocity of liquid in pipe, and d = Diameter of pipe) 4flv²/2gd flv²/2gd flv²/gd 3flv²/2gd 4flv²/2gd flv²/2gd flv²/gd 3flv²/2gd ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The shear stress between the two liquid layers is __________ proportional to the distance between two layers. Inversely None of these Both A and B Directly Inversely None of these Both A and B Directly ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME Whenever a plate is held immersed at some angle with the direction of flow of the liquid, it is subjected to some pressure. The component of this pressure, in the direction of flow of the liquid, is known as Lift Bulk modulus Stagnation pressure Drag Lift Bulk modulus Stagnation pressure Drag ANSWER DOWNLOAD EXAMIANS APP
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