For the following questions answer them individually
The direction of steepest slope on a contour is
Closed contours of decreasing values towards their centre, represent
The instrument which is used in plane tabling for obtaining horizontal and vertical distances directly without resorting to chaining, is known as
Longitudes are measured from $$0^\circ$$ to
If two equal forces of magnitude P act at an angle $$\theta$$, their resultant, will be
The moment of inertia of a hollow circular section whose external diameter is 8 cm and internal diameter is 6 cm, about centroidal axis is
To double the period ofoscillation of a simple pendulum
For perfectly elastic bodies, the value of coefficient of restitution is
If $$l$$ is the span of a light suspension bridge whose each cable carries total weight $$(\omega)$$ and the central dip is $$y$$, the horizontal pull at each support, is
A load of 500 kg waslifted through a distance of 13 cm by an effort of 25 kg which moved through a distance of 650 cm. The mechanical advantage of the lifting machine is
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