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Hydraulics & Fluid Mechanics

Hydraulics & Fluid Mechanics
The density of water is 1000 kg/m3 at

20°C
0°C
0°K
4°C

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Hydraulics & Fluid Mechanics
THE THEORETICAL VALUE OF COEFFICIENT OF CONTRACTION OF A SHARP EDGED ORIFICE IS

0.86
0.95
1.01
0.611

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Hydraulics & Fluid Mechanics
Two pipe systems are said to be equivalent when

head loss and discharge are same in two systems
friction factor and length are same in two systems
length of pipe and discharge are same in two systems
length and diameter are same in two systems

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Hydraulics & Fluid Mechanics
A fluid is said to be ideal, if it is

inviscous and incompressible
inviscous and compressible
incompressible
inviscous

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Hydraulics & Fluid Mechanics
Specific weight of sea water is more that of pure water because it contains

All of these
dissolved air
dissolved salt
suspended matter

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Hydraulics & Fluid Mechanics
A large Roynold number is indication of

LAMINAR FLOW
turbulent flow
smooth and streamline flow
highly turbulent flow.

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MORE MCQ ON Hydraulics & Fluid Mechanics

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