Hydraulics and Fluid Mechanics in ME At the center line of a pipe flowing under pressure where the velocity gradient is zero, the shear stress will be Zero Could be any value Minimum Maximum Zero Could be any value Minimum Maximum ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME Which of the following is an example of laminar flow? Flow of oil in measuring instruments Flow past tiny bodies All of these Underground flow Flow of oil in measuring instruments Flow past tiny bodies All of these Underground flow ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The diameter of the nozzle (d) for maximum transmission of power is given by (where D = Diameter of pipe, f = Darcy’s coefficient of friction for pipe, and l = Length of pipe) d = (D⁵/8fl)1/4 d = (D⁵/8fl)1/5 d = (D⁵/8fl)1/2 d = (D⁵/8fl)1/3 d = (D⁵/8fl)1/4 d = (D⁵/8fl)1/5 d = (D⁵/8fl)1/2 d = (D⁵/8fl)1/3 ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME A tank of uniform cross-sectional area (A) containing liquid upto height (H1) has an orifice of cross-sectional area (a) at its bottom. The time required to empty the tank completely will be (2AH₁²)/(Cd × a√2g) (2AH₁3/2)/(Cd × a√2g) (2AH₁)/(Cd × a√2g) (2A√H₁)/(Cd × a√2g) (2AH₁²)/(Cd × a√2g) (2AH₁3/2)/(Cd × a√2g) (2AH₁)/(Cd × a√2g) (2A√H₁)/(Cd × a√2g) ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The point in the immersed body through which the resultant pressure of the liquid may be taken to act is known as center of gravity center of pressure center of buoyancy metacentre center of gravity center of pressure center of buoyancy metacentre ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The rise or depression of liquid in a tube due to surface tension wim increase in size of tube will decrease remain unaffected increase may increase or decrease depending on the characteristics of liquid decrease remain unaffected increase may increase or decrease depending on the characteristics of liquid ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS