Hydraulics & Fluid Mechanics A bucket of water is hanging from a spring balance. An iron piece is suspended into water without touching sides of bucket from another support. The spring balance reading will remain same increase increase/decrease depending on depth of immersion decrease remain same increase increase/decrease depending on depth of immersion decrease ANSWER DOWNLOAD EXAMIANS APP
Hydraulics & Fluid Mechanics Surface energy per unit area of a surface is numerically equal to force of cohesion surface tension atmospheric pressure force of adhesion force of cohesion surface tension atmospheric pressure force of adhesion ANSWER DOWNLOAD EXAMIANS APP
Hydraulics & Fluid Mechanics The shear stress distribution for a fluid flowing in between the parallel plates, both at rest, is zero at plates and increases linearly to midpoint parabolic distribution across the section zero at the mid plane and varies linearly with distance from mid plane constant over the cross section zero at plates and increases linearly to midpoint parabolic distribution across the section zero at the mid plane and varies linearly with distance from mid plane constant over the cross section ANSWER DOWNLOAD EXAMIANS APP
Hydraulics & Fluid Mechanics A model of torpedo is tested in a towing tank at a velocity of 25 m/sec. The prototype is expected to attain a velocity of 5 m/sec. What model scale has been used ? 1 : 2.5 1 : 5 1 :25 1:50 1 : 2.5 1 : 5 1 :25 1:50 ANSWER DOWNLOAD EXAMIANS APP
Hydraulics & Fluid Mechanics The horse power transmitted through a pipe is maximum when the ratio of loss of head due to friction and total head supplied is 1/4 1/2 1/3 2/3 1/4 1/2 1/3 2/3 ANSWER DOWNLOAD EXAMIANS APP
Hydraulics & Fluid Mechanics Coefficient of velocity for Borda’s mouth piece running full is 0.855 0.707 0.611 1.00 0.855 0.707 0.611 1.00 ANSWER DOWNLOAD EXAMIANS APP