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Mechanical Engineering
Harbour Engineering
Quiz 1
Solution
Q.1.
On the sea shore structures, the water wave impact causes
direct compressive force due to its horizontal component
shear force due to deflected vertical force
compressive force due to collapse of the wave
suction force due to water returning after striking
all of the above.
Q.2.
A dock:
is a marine structure for berthing of vessels for loading and unloading cargo and passengers
is an artificial basin for vessels where the variation of water in the shore does not affect the level of water
is provided with a dock gate
is provided with an arrangement to pump out water when required
all the above.
Q.3.
In tropical regions,
the surface gets heated more effectively than the arctic areas
after heating, the air becomes lighter and is displaced by cool air from the polar regions
the rising tropical air flows towards the polar region in the upper strata
all of the above.
Q.4.
For large vessels, the buoys are strengthened by connecting it to a number of anchors having
one legged mooring
two legged mooring
three legged mooring
four legged mooring
all the types as above.
Q.5.
Location of soundings by two angles from the shore requires establishing
one range line parallel to shore
one range line perpendicular to shore
two range lines mutually perpendicular
no range line.
Q.6.
The floating mooring does not require
cables
anchors
bollard
buoy.
Q.7.
Location of soundings by range and one angle is done by the surveyor
on the shore
on the boat
on the shore or on the boat
none of the above.
Q.8.
The variation of atmospheric potential is caused due to :
difference in temperature over the surface of the earth
change in the density of air
both (a) and (b)
neither (a) nor (b).
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