Basic Civil Engineering (3110004) MCQs

MCQs of Introduction to Surveying & Levelling

Showing 51 to 60 out of 90 Questions
51.
What is the equivalent value in RB of 315° ?
(a) 315°
(b) N 45° W
(c) N 85° W
(d) None of above
Answer:

Option (b)

52.
WCB is defined as horizontal angle measured from north to the given line in ________________ direction.
(a) Anticlockwise
(b) Clockwise
(c) Both A and B
(d) None of above
Answer:

Option (b)

53.
Sum of interior angles for any traverse is check by _____________.
(a) (2N - 4) × 90°
(b) (N - 4) × 90°
(c) (2N + 4) × 90°
(d) None of above
Answer:

Option (a)

54.
When needle in compass gets deflected from its original position due to vicinity of iron structure or electric cables, this phenomenon is known as _____________.
(a) Magnetic declination
(b) Local attraction
(c) Magnetic deficiency
(d) None of these
Answer:

Option (b)

55.
The horizontal angle between the true north and magnetic north is known as ____________.
(a) Magnetic declination
(b) Dip of angle
(c) Interior angle
(d) None of above
Answer:

Option (a)

56.
Variation in magnetic at a place caused by magnetic storms like earthquakes, nuclear explosion, etc is termed as ______________.
(a) Annual variation
(b) Secular variation
(c) Dinurnal variation
(d) None of above
Answer:

Option (d)

57.
____________ variation generally varies from 1 to 2 minutes depending upon location on earth.
(a) Annual
(b) Dinurnal
(c) Secular
(d) None of above
Answer:

Option (a)

58.
Secular variation varies in range of ____________ for change in nature of variation from positive to negative.
(a) 10 to 20 years
(b) 10 to 24 months
(c) 100 to 200 years
(d) 20 to 25 years
Answer:

Option (c)

59.
If the magnetic bearing of a line is 203° and magnetic declination at that place is 5° W , then true bearing of line is _____________.
(a) 205°
(b) 208°
(c) 198°
(d) None of above
Answer:

Option (c)

60.
_____________ is the art of determining the relative elevations of points located on or below the surface earth.
(a) Levelling
(b) Contouring
(c) Traversing
(d) None of above
Answer:

Option (a)

Showing 51 to 60 out of 90 Questions