Foxoyo
Hey..!!
Fluid Mechanics
Practice
MCQs
Quizzes
About
Leaderboard
Amazon Books
713
MCQs
0
Attempts
0 %
Accuracy
share
Filter by
Type here
Apply
Which of the following valves will incur maximum pressure drop for the same discharge of water
gate valve
globe valve
needle valve
Butterfly valve
Nominal size of the discharge pipe of a pump is usually __________ the nominal size of the inlet pipe
same as
smaller than
larger than
Twice
Capillary tube method of viscosity measurement is based on the
Hagen-Poiseulle's equation
Stoke's law
NONE OF THESE
Navier-stokes equation
For steady ideal fluid flow, the Bernoulli's equation states that the
NONE OF THESE
energy is constant along a stream line, but may vary across stream lines
energy is constant throughout the fluid
velocity is constant along a stream line.
Two dimensional stream function
relates velocity and pressure.
None of these.
is constant along an equipotential surface.
is constant along a stream line.
In power law, , then the fluid is
rheopectic
dilatant
thixotropic
newtonian
The time taken for gravity flow of a fixed volume of liquid
(as in Redwood viscometer) is directly proportional to its
ratio of absolute viscosity to density.
density.
Reynolds number.
absolute viscosity.
In centrifugal pump operation, the cavitation can be eliminated by maintaining suction pressure __________ the vapor pressure of the liquid at the suction temperature
NONE OF THESE
Equal to
higher than
lower than
__________ forces act on a particle moving through a stationary fluid
all (a), (b), & (c)
Gravity
drag
Buoyant
In case of a centrifugal pump, the theoretical head developed is dependent on the __________ the impeller
speed of
fluid velocity leaving
All (A), (B) and (C)
diameter of
A fluid which has a linear relationship between the magnitude of applied shear-stress and the resulting rate of deformation is called a/an __________ fluid
Ideal
incompressible
Newtonion
non-Newtonion
An ideal plastic substance indicates no deformation, when stressed upto yield stress, but behaves like a Newtonion fluid beyond yieldstress.
Which of the following is an ideal plastic
Blood
Rubber latex
sugar solution
Sewage sludge
Check valve is used for __________ flow
NONE OF THESE
Multidirectional
very precise control of
Unidirectional
The boundary layer thickness at a given section along a flat plate __________ with increasing Reynold's number
Decreases
May increase or decrease
Increases
Remains same
Choose the set of pressure intensities that are equivalent
4.33 psi, 10 ft. of water, 20.7 inches of Hg.
10 psi, 19.7 ft. of water, 23.3 inches of Hg.
10 psi, 19.7 ft. of water, 5.3 inches of Hg.
4.33 psi, 10 ft. of water, 8.83 inches of Hg.
Euler's equation of motion states, that at every point, the
force per unit mass equals acceleration.
rate of mass outflow is equal to the rate of mass inflow.
fluid momentum is constant.
None of these.
For an unstable equilibrium of a floating body (where, M =metacentre.
)
M & G coincide
NONE OF THESE
M is above G
M is below G
A rotameter works on the principle of __________ pressure drop
Both (a) & (b)
Variable
constant
Neither (A) Nor (B)
Curve III in the above diagram represents a/an
NONE OF THESE
ideal plastic
pseudo plastic fluid
dilatent fluid
The terminal velocity of a particle moving through a fluid varies asdpn.
The value of n is equal to __________ in Stoke's law regime
1
1.5
2
0.5
1
2
18
36
Next
take a quick Quiz
Practice mcqs on Fluid Mechanics
Let's start
pick difficulty level
all
1
2
3
4
5
713
Mcqs
0
attempts
1
followers
Related Topics
Fluid Mechanics
Hydraulics and Fluid Mechanics
Fluid Flow
MongoDB Aggregation Concepts and Mechanics
MongoDB Sharding Concepts Mechanics and Cluster
Soil Mechanics And Foundation
Soil Mechanics and Foundation Engineering
Applied Mechanics
Engineering Mechanics
Suggested Books