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HYDRAULICS AND GEOTECHNICAL ENGINEERING EXAM WITH ALL QUESTIONS AND ANSWERS
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HYDRAULICS AND GEOTECHNICAL ENGINEERING EXAM WITH ALL QUESTIONS AND ANSWERS...
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HYDRAULICS AND GEOTECHNICAL ENGINEERINGEXAM WITH ALL QUESTIONS AND ANSWERS
above center of gravity - ANSWER Where is the metacenter for stable
equilibrium?
unstable equilibrium - ANSWER When the metacenter of a floating body
is lower than the center of gravity, then the body will be in?
center of gravity of the floating body and the metacenter - ANSWER The
metacentric height is the distance between the
specific weight - ANSWER The weight per unit volume of a liquid at a
standard temperature and pressure is called
water hammer - ANSWER A pressure surge or wave caused when a
fluid in motion is forced to stop or change direction suddenly (momentum
change) is referred to in hydraulics as:
hydraulic jump - ANSWER A type of shock where the flow undergoes a
sudden transition from swift flow to tranquil flow
viscosity - ANSWER A fluid property that measures the fluid's resistance
to shear stress
1/2 - ANSWER The vena contracta of a circular orifice is approximately
___ diameter downstream from the inner face of the orifice plate:
neutral equilibrium - ANSWER When the ship's metacenter and center of
gravity coincide at same point then the vessel is said to be in:
surface tension - ANSWER A force within the surface layer of a liquid
that causes the layer to behave as an elastic sheet
velocity head - ANSWER Minor losses through valves, fittings, bends,
contractions etc. are commonly modeled as proportional to
,b - ANSWER The best hydraulic cross section for a trapezoidal channel
of base width b is one for which the length of the side edge of the flow
section is:
turbulent - ANSWER When the path lines of the individual particles of a
flowing liquid are irregular curves and continually cross each other and
form a complicated network, the flow is called:
steady flow - ANSWER Type of flow where the flow rate does not
change over time.
uniform flow - ANSWER Type of flow where the mean velocity of flow for
a given length or reach is the same at every cross section
laminar flow - ANSWER Uninterrupted flow in a fluid near a solid
boundary in which the direction of flow at every point remains constant:
continuous flow - ANSWER Type of flow where at any time, the
discharge or flow rate at every section of the stream is the same.
critical flow - ANSWER Type of flow in which, for a fixed rate of flow, the
specific energy is minimum.
incompressible flow - ANSWER Type of flow in which the density of the
fluid is constant from one point to another.
rotational flow - ANSWER Type of flow in which the fluid particles rotate
about their own axis while flowing along the streamlines.
All planes except the horizontal and vertical planes - ANSWER In the
triaxial test, the deviator stress increases the shear stress on what
plane?
A. Horizontal plane only
B. Vertical plane only
C. Both horizontal and vertical planes
D. All planes except the horizontal and vertical planes
, Vane shear test - ANSWER Which of the following tests is not done on a
laboratory set up?
A. Direct shear test
B. Vane shear test
C. Triaxial test
D. Unconfined compression test
D. All of the above - ANSWER The shear strength of a soil:
A. Increases with an increase in the normal stress
B. is proportional to the cohesion of the soil
C. Is generally known as the strength of the soil
D. All of the above
90 degrees - ANSWER If the shearing stress is zero on two planes, then
the angle between the two planes is
Air - ANSWER Compression of soil occurs rapidly if voids are filled with
Sand - ANSWER Cohesionless soil is
Consolidated undrained test - ANSWER In a triaxial compression test
when drainage is allowed during the first stage only and not during the
second stage, the test is known as
Porosity - ANSWER Ratio of volume of voids and volume of soil.
Void Ratio - ANSWER Ratio of volume of voids and volume of soil
solids.
Water Content - ANSWER Ratio of volume of water and volume of soil
A. Degree of Saturation
B. Void Ratio
C. Porosity
D. None of the above
A. 0 < n < 100 - ANSWER Which is true for porosity?
A. 0 < n < 100
B. 0 ≤ n ≤ 100
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