Hydraulics and Fluid Mechanics - Part 1 Online Exam Quiz
Hydraulics and Fluid Mechanics - Part 1 GK Quiz. Question and Answers related to Hydraulics and Fluid Mechanics - Part 1. MCQ (Multiple Choice Questions with answers about Hydraulics and Fluid Mechanics - Part 1
One litre of water occupies a volume of
Options
A : 100 cm 3
B : 250 cm 3
C : 500 cm 3
D : 1000 cm 3
The value of bulk modulus of a fluid is required to determine
Options
A : Reynold's number
B : Froude's number
C : Mach number
D : Euler's number
In a depressed nappe
Options
A : the pressure below the nappe is atmospheric
B : the pressure below the nappe is negative
C : the pressure above the nappe is atmospheric
D : the pressure above the nappe is negative
In one dimensional flow, the flow
Options
A : is steady and uniform
B : takes place in straight line
C : takes place in curve
D : takes place in one direction
The kinematic viscosity is the
Options
A : ratio of absolute viscosity to the density of the liquid
B : ratio of density of the liquid to the absolute viscosity
C : product of absolute viscosity and density of the liquid
D : product of absolute viscosity and mass of the liquid
The discharge over a right angled notch is (where H = Height of liquid above the apex of notch)
Options
A : C d 2 g x H
B : C d 2 g x H 3/2
C : C d 2 g x H 2
D : C d 2 g x H 5/2
A weir is said to be broad crested weir, if the width of the crest of the weir is __________ half the height of water above the weir crest.
Options
A : equal to.
B : less than
C : more than
D : -
A vertical wall is subjected to a pressure due to one kind of liquid, on one of its sides. The total pressure on the wall per unit length is (where w = Specific weight of liquid, and H = Height of liquid)
Options
A : wH
B : wH /2
C : wH 2 /2
D : wH 2 /3
An error of 1% in measuring head over the apex of the notch ( H ) will produce an error of __________ in discharge over a triangular notch.
Options
A : 1%
B : 1.5%
C : 2%
D : 2.5%
Coefficient of contraction is the ratio of
Options
A : actual velocity of jet at vena contracta to the theoretical velocity
B : loss of head in the orifice to the head of water available at the exit of the orifice
C : actual discharge through an orifice to the theoretical discharge
D : area of jet at vena contracta to the area of orifice
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