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/4 L/3 L/2 L L/4 L/3 L/2 L ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME If the elevation of hydraulic grade line at the junction of three pipes is above the elevation of reservoirs B and C and below reservoir A, then the direction of flow will be from reservoir C to reservoirs A and B from reservoir B to reservoirs C and A from reservoir A to reservoirs B and C unpredictable from reservoir C to reservoirs A and B from reservoir B to reservoirs C and A from reservoir A to reservoirs B and C unpredictable ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME Working principle of dead weight pressure gauge tester is based on Newton’s law of viscosity Avogadro’s hypothesis Dalton’s law of partial pressure Pascal’s law Newton’s law of viscosity Avogadro’s hypothesis Dalton’s law of partial pressure Pascal’s law ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME Coefficient of contraction is the ratio of Area of jet at vena-contracta to the area of orifice Loss of head in the orifice to the head of water available at the exit of the orifice Actual velocity of jet at vena contracta to the theoretical velocity Loss of head in the orifice to the head of water available at the exit of the orifice Area of jet at vena-contracta to the area of orifice Loss of head in the orifice to the head of water available at the exit of the orifice Actual velocity of jet at vena contracta to the theoretical velocity Loss of head in the orifice to the head of water available at the exit of the orifice ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME According to fan laws, for fans having constant wheel diameter, the pressure varies Square root of fan speed Directly as fan speed Cube of fan speed Square of fan speed Square root of fan speed Directly as fan speed Cube of fan speed Square of fan speed ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME Meta-centric height is given as the distance between The center of gravity of the body and the metacenter Center of buoyancy and metacenter The center of gravity of the body and the center of pressure The center of gravity of the body and the center of buoyancy The center of gravity of the body and the metacenter Center of buoyancy and metacenter The center of gravity of the body and the center of pressure The center of gravity of the body and the center of buoyancy ANSWER DOWNLOAD EXAMIANS APP