When the flow parameters at any given instant remain same at every point, then flow is said to be steady state quasi static laminar uniform TRUE ANSWER : ? YOUR ANSWER : ?
The total head of a liquid particle in motion is equal to Kinetic head - (pressure head + potential head) Pressure head - (kinetic head + potential head) Pressure head + kinetic head + potential head Potential head - (pressure head + kinetic head) TRUE ANSWER : ? YOUR ANSWER : ?
The power transmitted through a pipe is (where w = Specific weight in N/m3, and Q = Discharge in m3/s) w × Q × hf w × Q × H w × Q (H + hf) w × Q (H - hf) TRUE ANSWER : ? YOUR ANSWER : ?
In series-pipe problems the discharge through each pipe is added to obtain total discharge the discharge is same through each pipe the head loss is same through each pipe a trial solution is not necessary TRUE ANSWER : ? YOUR ANSWER : ?
If the depth of water in an open channel is greater than the critical depth, the flow is called Turbulent flow Torrential flow Critical flow Tranquil flow TRUE ANSWER : ? YOUR ANSWER : ?
The mass per unit volume of a liquid at a standard temperature and pressure is called Specific gravity None of these Mass density Specific weight TRUE ANSWER : ? YOUR ANSWER : ?
Air vessels in reciprocating pump are used to Save pump from cavitations Smoothen flow Reduce acceleration to minimum Increase pump efficiency TRUE ANSWER : ? YOUR ANSWER : ?
A turbine pump is basically a centrifugal pump equipped additionally with Inlet guide blades Adjustable blades Vaned diffusion casing Backward curved blades TRUE ANSWER : ? YOUR ANSWER : ?
The depth of centre of pressure (h) for a vertically immersed surface from the liquid surface is given by (where IG = Moment of inertia of the immersed surface about horizontal axis through its centre of gravity, A = Area of immersed surface, and x = Depth of centre of gravity of the immersed surface from the liquid surface) (IG/Ax̅) + x̅ (IG/Ax̅) - x̅ (IG/x̅) - Ax̅ (Ax̅/IG) + x̅ TRUE ANSWER : ? YOUR ANSWER : ?
The unit of kinematic viscosity in S. I. units is N-s/m2 m2/s N-m/s N-m TRUE ANSWER : ? YOUR ANSWER : ?