Users Also Read

MCQ's Search Engine

Electrical Engineering

Mechanical Engineering

Civil Engineering

Automobile Engineering

Chemical Engineering

Computer Engineering

Electronics Engineering

Medical Science Engg

Q1. | Magnetic bearing of a survey line at any place. |

A. | remains constant [Wrong Answer] |

B. | changes systematically [Wrong Answer] |

C. | varies differently in different months of the year [Correct Answer] |

D. | is always greater than true bearing. [Wrong Answer] |

View Answer
Explanation:-
Answer : CDiscuss it below :!! OOPS Login [Click here] is required to post your answer/resultHelp other students, write article, leave your comments |

**Also Read Similar Questions Below :**

⇒ An offset rod is provided at its top with

Hook

Flag

Distance measuring arrangement

None of these

⇒ In a theodolite.

the telescope axis is perpendicular to transit axis

the axis of rotation is perpendicular to transit axis

the telescope axis, the transit axis and the rotation axis pass through the centre of theodolite

all the above.

⇒ For a curve of radius 100 m and normal chord 10 m, the Rankine's deflection angle, is.

0Â°25'.95

0Â°35'.95

1Â°35'.95

2Â°51'.53.

⇒ Which of the following introduces an error of about 1 in 1000 if 20 m chain is used.

length of chain 20 mm wrong

one end of the chain 0.9 m off the line

one end of chain 0.9 m higher than the other

all the above.

⇒ An ideal vertical curve to join two gradients, is.

circular

parabolic

elliptical

hyperbolic

⇒ The zero of the graduated circle of a prismatic compass is located at.

north end

east end

south end

west end.

⇒ Pick up the correct statement from the following :

The directions of plumb lines suspended at different points in a survey are not strictly parallel

In surveys of small extent, the effect of curvature may be ignored and the level surface of the earth is assumed as horizontal

In surveys of large extent, the effect of curvature of the earth must be considered

All the above.

⇒ If the length of a chain is found to be short on testing, it can be adjusted by

straightening the links

removing one or more small circular rings

closing the joints of the rings if opened out

all of the above

⇒ The difference in the lengths of an arc and its subtended chord on the earth surface for a distance of 18.2 km, is only.

1 cm

5 cm

10 cm

100 cm.

⇒ The least count of a vernier scale is.

sum of the smallest divisions of main and vernier scales

value of one division of the primary scale divided by total number of divisions of vernier scale

value of one division of vernier scale divided by total number of divisions of primary scale

none of these.

⇒ Volume of the earth work may be calculated by.

mean areas

end areas

Prismoidal formula

all the above.

⇒ The ratio of the distances at which a stated length can be distinguished by the telescope and the human eye, respectively, is called.

brightness of telescope

magnification of telescope

resolving power of telescope

none of these.

⇒ The radius of a simple circular curve is 300 m and length of its specified chord is 30 m. The degree of the curve is.

5.73Â°

5.37Â°

3.57Â°

3.75Â°.

⇒ Select the correct statement.

A contour is not necessarily a closed curve.

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

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

All of the above statements are correct.

⇒ An obstacle which obstructs both chaining and ranging may be

River

Lake

Hillock

Building

⇒ The needle of magnetic compass is generally supported on a

Ball bearing

Bush bearing

Needle bearing

Jewel bearing

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

of relatively larger radius

of relatively smaller radius

flat

convex downwards.

⇒ Pantagraph is used for.

measuring distances

measuring areas

enlarging or reducing plans

setting out right angles

⇒ The tangent to the liquid surface in a level tube, is parallel to the axis of the level tube at.

every point of the bubble

either end of the bubble

the mid-point of the bubble

no where.

⇒ In an adjusted level, when the bubble is central, the axis of the bubble tube becomes parallel to.

line of sight

line of collimation

axis of the telescope

None of these.

⇒ If the staff is not held vertical at a level¬ling station, the reduced level calculated from the observation would be

true R.L.

more than true R.L.

less than true R.L.

none of the above

⇒ You have to observe an included angle with better accuracy than what is achievable by a vernier, you will prefer the method of.

repetition

reiteration

double observations

exactness.

⇒ If the focal length of the object glass is 25 cm and the distance from object glass to the trunnion axis is 15 cm, the additive constant is

0.1

0.4

0.6

1.33

⇒ For a closed traverse the omitted measurements may be calculated.

length of one side only

bearing of one side only

both length and bearing of one side

all the above.

⇒ Overturning of vehicles on a curve can be avoided by using

compound curve

vertical curve

reverse curve

transition curve

⇒ The co-ordinate of a point measured perpendicular to the parallel, is called.

total latitude

meridian distance

total departure

consecutive co-ordinate.

⇒ Dumpy level is most suitable when

the instrument is to be shifted frequently

fly levelling is being done over long distance

many readings are to be taken from a single setting of the instrument

all of the above

⇒ If a tacheometer is fitted with an anal-latic lens.

additive constant is 100, multiplying constant is zero

multiplying constant is 100, additive constant is zero

both multiplying and additive constants are 100

both multiplying and additive constants are 50.

⇒ Arbitrary bearing is measured by

Theodolite

Magnetic compass

Astronomical observations

Any of the above

⇒ Optical reading instruments.

the vertical circle is usually continuous from 0Â° to 359Â°

the readings increase when the telescope is elevated in the face left position

the readings decrease when the telescope is elevated in the face right position

all the above.