Hydraulics and Fluid Mechanics in ME The specific weight of water in S.I. units is taken as 9.81 × 103 N/m3 9.81 kN/m3 9.81 × 10-6 N/mm3 Any one of these 9.81 × 103 N/m3 9.81 kN/m3 9.81 × 10-6 N/mm3 Any one of these ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME Choose the wrong statement. Alcohol is used in manometer, because Its vapour pressure is low It provides longer length for a given pressure difference Its density is less It provides suitable meniscus for the inclined tube Its vapour pressure is low It provides longer length for a given pressure difference Its density is less It provides suitable meniscus for the inclined tube ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The depth of the centre of pressure on a vertical rectangular gate 8 m wide and 6 m high, when the water surface coincides with the top of the gate, is 4.0 m 3.0 m 5.0 m 2.4 m 4.0 m 3.0 m 5.0 m 2.4 m ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The bulk modulus of elasticity is independent of pressure and viscosity is large when fluid is more compressible increases with pressure has the dimensions of 1/pressure is independent of pressure and viscosity is large when fluid is more compressible increases with pressure has the dimensions of 1/pressure ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The value of friction factor ‘f’ for smooth pipes for Reynolds number 106 is approximately equal to 0.01 0.001 0.0001 0.1 0.01 0.001 0.0001 0.1 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/4 L/3 L L/2 L/4 L/3 L L/2 ANSWER DOWNLOAD EXAMIANS APP