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AE-JE Foundation CE: Transportation Quiz 10

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Question 1

The expression for the total volume of earthwork for an embankment using Simpson’s one third rule, if and are the areas at n sections at an interval of h is _________.

Question 2

The method of computing areas by subdividing a plot into triangles is suitable for

Question 3

Which one of the following statements are true?

i. Terrestrial photography gives mostly oblique photographs

ii. Aerial photography always gives perfectly vertical photographs

Question 4

In an aerial photogrammetric survey, if the exposure interval is 25 seconds to cover the ground distance of 1000 m between exposures, then the ground speed of aircraft is _________ km/hr.

Question 5

A line PQ measures 12 cm on a photograph taken with a camera of focal length 22.5 cm. The same line measures 4 cm on a map drawn to scale of 1:35000. If average attitude is 300 m then what is the flying height of the aircraft?

Question 6

A road section of length 1 km scales 8 cm on a vertical photograph. The focal length of the camera is 20 m, the scale of length of camera is 160 mm. If the terrain is fairly level, then the flying height will be

Question 7

Assertion (A): Horizontal distance between two points on a vertical photograph can be calculated directly by measuring the distance on the photo and multiplying it with the scale.

Reason (R): Photo distance is the product of scale and ground distance.

Question 8

Which one of the following can be used to find out the height of features on the ground?

i. Relief displacement

ii. Parallax

iii. Crab and drift

iv. Stereophotography

Question 9

Calculate the volume (cubic meter) of earthwork for an embankment of length 30 m and width 4 m. The mean depth of the embankment is 4m and side slope is 2 : 1. Using mid-sectional area method.

Question 10

Calculate the volume of the earthwork (in cubic meter) using trapezoidal method if the cross section areas of the three section of embankment at an interval of 20 m are 40 square meters, 50 square meters and 80 square meters.

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Sep 18AE & JE Exams