  # 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 Question 12

# Closed contours of decreasing values towards their centre, represent Question 13

# The instrument which is used in plane tabling for obtaining horizontal and vertical distances directly without resorting to chaining, is known as Question 14

# Longitudes are measured from $$0^\circ$$ to Question 15

# If two equal forces of magnitude P act at an angle $$\theta$$, their resultant, will be 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 Question 17

# To double the period ofoscillation of a simple pendulum Question 18

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