Civil Engineering Archives

2561. Select the correct statement?

A. Contour interval on any map is kept constant

B. Direct method of contouring is cheap¬er than indirect method

C. Inter-visibility of points on a contour map cannot be ascertained

D. Slope of a hill cannot be determined with the help of contours

✅ The correct answer is option A.

2562. During chaining along a straight line, the . leader of the party has 4 arrows in his hand while the follower has 6. Distance of the follower from the starting point is_____________?

A. 4 chains

B. 6 chains

C. 120 m

D. 180m

✅ The correct answer is option B.

2563. Intersection method of detailed plotting is most suitable for________________?

A. forests

B. urban areas

C. hilly areas

D. plains

✅ The correct answer is option C.

2564. If in a closed traverse, the sum of the north latitudes is more than the sum of the south latitudes and also the sum of west departures is more than the sum of the east departures, the bearing of the closing line is in the________________?

A. NE quadrant

B. SE quadrant

C. NW quadrant

D. SW quadrant

✅ The correct answer is option B.

2565. Select the correct statement_______________?

A. A contour is not necessarily a closed curve

B. A contour represents a ridge line if the concave side of lower value con¬tour lies towards the higher value contour

C. Two contours of different elevations do not cross each other except in case of an overhanging cliff

D. All of the above statements are correct

✅ The correct answer is option C.

2566. In the quadrantal bearing system, a whole circle bearing of 293° 30′ can be expressed as______________?

A. W23°30’N

B. N66°30’W

C. S113°30’N

D. N23°30’W

✅ The correct answer is option B.

2567. If the magnetic bearing of the sun at a place at noon in southern hemisphere is 167°, the magnetic declination at that place is________________?

A. 77° N

B. 23° S

C. 13° E

D. 13° W

✅ The correct answer is option C.

2568. The angle of intersection of the two plane mirrors of an optical square is______________?

A. 30°

B. 45°

C. 60°

D. 90°

✅ The correct answer is option B.

2569. If the horizontal distance between the staff point and the point of observation is d, then the error due to curvature of earth is proportional to_______________?

A. d

B. 1/d

C. d2

D. 1/d2

✅ The correct answer is option C.

2570. The length of a chain is measured from_______________?

A. centre of one handle to centre of other handle

B. outside of one handle to outside of other handle

C. outside of one handle to inside of other handle

D. inside of one handle to inside of other handle

✅ The correct answer is option B.