Hydraulics and Fluid Mechanics in ME According to fan laws, at constant speed and capacity, the pressure and power vary Inversely as density As square of density Inversely as square root of density Directly as the air or gas density Inversely as density As square of density Inversely as square root of density Directly as the air or gas density ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The liquid used in manometers should have Low density Low surface tension High density High surface tension Low density Low surface tension High density High surface tension ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The most economical section of a trapezoidal channel is one which has hydraulic mean depth equal to 1/2 × depth 1/2 × sloping side 1/2 × breadth 1/4 × (depth + breadth) 1/2 × depth 1/2 × sloping side 1/2 × breadth 1/4 × (depth + breadth) ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME When a body is placed over a liquid, it will float if Gravitational force is less than the up-thrust of the liquid Gravitational force is equal to the up-thrust of the liquid None of these Gravitational force is more than the up-thrust of the liquid Gravitational force is less than the up-thrust of the liquid Gravitational force is equal to the up-thrust of the liquid None of these Gravitational force is more than the up-thrust of the liquid ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME A rectangular block 2 m long, 1 m wide and 1 m deep floats in water, the depth of immersion being 0.5 m. If water weighs 10 kN/m3, then the weight of the block is 5kN lOkN 20 kN 15 kN 5kN lOkN 20 kN 15 kN ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME When a cylindrical vessel containing liquid is resolved, the surface of the liquid takes the shape of None of these An ellipse A triangle A paraboloid None of these An ellipse A triangle A paraboloid ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS