Hydraulics and Fluid Mechanics in ME A hydraulic press is a device used To lift larger load by the application of a comparatively much smaller force All of these To increase the intensity of pressure of water by means of energy available from a large quantity of water at a low pressure To store pressure energy which may be supplied to a machine later on To lift larger load by the application of a comparatively much smaller force All of these To increase the intensity of pressure of water by means of energy available from a large quantity of water at a low pressure To store pressure energy which may be supplied to a machine later on ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The highest efficiency is obtained with a channel of __________ section. Rectangular Square Circular Trapezoidal Rectangular Square Circular Trapezoidal ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME Reciprocating pumps are no more to be seen in industrial applications (in comparison to centrifugal pumps) because of Lower speed of operation Necessity of air vessel High initial and maintenance cost Lower discharge Lower speed of operation Necessity of air vessel High initial and maintenance cost Lower discharge ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The resultant upward pressure of a fluid on a floating body is equal to the weight of the fluid displaced by the body. This definition is according to Buoyancy Equilibrium of a floating body Bernoulli’s theorem Archimedes’ principle Buoyancy Equilibrium of a floating body Bernoulli’s theorem Archimedes’ principle ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME In a free nappe, The pressure below the nappe is atmospheric The pressure above the nappe is negative The pressure below the nappe is negative The pressure above the nappe is atmospheric The pressure below the nappe is atmospheric The pressure above the nappe is negative The pressure below the nappe is negative The pressure above the nappe is atmospheric 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 20 kN 15 kN lOkN 5kN 20 kN 15 kN lOkN 5kN ANSWER DOWNLOAD EXAMIANS APP