ISRO Scientist or Engineer Civil 2015

Instructions

For the following questions answer them individually

Question 11

The direction of steepest slope on a contour is

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Question 12

Closed contours of decreasing values towards their centre, represent

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Question 13

The instrument which is used in plane tabling for obtaining horizontal and vertical distances directly without resorting to chaining, is known as

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Question 14

Longitudes are measured from $$0^\circ$$ to

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Question 15

If two equal forces of magnitude P act at an angle $$\theta$$, their resultant, will be

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Question 16

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

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Question 17

To double the period ofoscillation of a simple pendulum

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Question 18

For perfectly elastic bodies, the value of coefficient of restitution is

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Question 19

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

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Question 20

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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