Civil Engineering - Surveying

1. 

The curve composed of two arcs of different radii having their centres on the opposite side of the curve, is known

A. a simple curve
B. a compound curve
C. a reverse curve
D. a vertical curve.

Answer: Option C

Explanation:

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2. 

The ratio of the angles subtended at the eye, by the virtual image and the object, is known as telescope's

A. resolving power
B. brightness
C. field of view
D. magnification.

Answer: Option D

Explanation:

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3. 

The bubble tube is nearly filled with

A. alcohol or chloroform
B. a liquid which is very mobile
C. a liquid having low freezing point
D. all the above.

Answer: Option D

Explanation:

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4. 

Simpson's rule for calculating areas states that the area enclosed by a curvilinear figure divided into an even number of strips of equal width, is equal to

A. half the width of a strip, multiplied by the sum of two extreme offsets, twice the sum of remaining odd offsets, and thrice the sum of the even offsets
B. one third the width of a strip, multiplied by the sum of two extreme offsets, twice the sum of remaining odd offsets and four times the sum of the even offsets
C. one third the width of a strip, multiplied by the sum of two extreme offsets, four times the sum of the remaining odd offsets, and twice the sum of the even offsets
D. one sixth the width of a strip, multiplied by the sum of the two extreme offsets, twice the sum of remaining odd offsets and four times the sum of the even offsets
E. none of these

Answer: Option B

Explanation:

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5. 

In a constant level tube, size of the bubble remains constant because upper wall is

A. of relatively larger radius
B. of relatively smaller radius
C. flat
D. convex downwards.

Answer: Option A

Explanation:

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