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 decrease remain same increase increase/decrease depending on depth of immersion decrease remain same increase increase/decrease depending on depth of immersion ANSWER DOWNLOAD EXAMIANS APP
Hydraulics & Fluid Mechanics Mercury is often used in barometer because its vapour pressure is so low that it may be neglected it is the best liquid the height of barometer will be less both (B) and (C) its vapour pressure is so low that it may be neglected it is the best liquid the height of barometer will be less both (B) and (C) ANSWER DOWNLOAD EXAMIANS APP
Hydraulics & Fluid Mechanics For a sphere of radius 15 cm moving with a uniform velocity of 2 m/sec through a liquid of specific gravity 0.9 and dynamic viscosity 0.8 poise, the Reynolds number will be 675 300 600 337.5 675 300 600 337.5 ANSWER DOWNLOAD EXAMIANS APP
Hydraulics & Fluid Mechanics For laminar flow in a pipe of circular cross-section, the Darcy’s friction factor f is directly proportional to Reynolds number and independent of pipe wall roughness inversely proportional to Reynolds number and indpendent of pipe wall roughness inversely proportional to Reynolds number and directly proportional to pipe wall roughness directly proportional to pipe wall roughness and independent of Reynolds number directly proportional to Reynolds number and independent of pipe wall roughness inversely proportional to Reynolds number and indpendent of pipe wall roughness inversely proportional to Reynolds number and directly proportional to pipe wall roughness directly proportional to pipe wall roughness and independent of Reynolds number ANSWER DOWNLOAD EXAMIANS APP
Hydraulics & Fluid Mechanics The discharge through a V- notch varies as H3’2 H5/2 H1/2 H5’4 where H is head. H3’2 H5/2 H1/2 H5’4 where H is head. ANSWER DOWNLOAD EXAMIANS APP
Hydraulics & Fluid Mechanics Choose the wrong statement when in equilibrium, fluids cannot sustain tangential forces when in equilibrium, fluids can sustain shear forces fluids are capable of flowing fluids conform to the shape of the con-taining vessels when in equilibrium, fluids cannot sustain tangential forces when in equilibrium, fluids can sustain shear forces fluids are capable of flowing fluids conform to the shape of the con-taining vessels ANSWER DOWNLOAD EXAMIANS APP
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