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Q1. | If a tacheometer is fitted with an anal-latic lens. |

A. | additive constant is 100, multiplying constant is zero [Wrong Answer] |

B. | multiplying constant is 100, additive constant is zero [Correct Answer] |

C. | both multiplying and additive constants are 100 [Wrong Answer] |

D. | both multiplying and additive constants are 50. [Wrong Answer] |

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Explanation:-
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**Also Read Similar Questions Below :**

⇒ The graduations in a prismatic compass are

Inverted and run clockwise having 0° at ilorth

Inverted and run clockwise having 0° at south

Erect

None of the above

⇒ 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.

⇒ A horizontal angle which a line makes with the true meridian through one of the extremities of the line is called

Bearing

True bearing

Imaginary bearing

Maimetic bearing

⇒ In the double application of principle of reversion, the apparent error is

equal to true error

half the true error

two times the true error

four times the true error

⇒ In levelling operation.

when the instrument is being shifted, the staff must not be moved

when the staff is being carried forward, the instrument must remain stationary

both (a) and (b)

neither (a) nor (b).

⇒ The back staff reading on a B.M. of R.L. 500.000 m is 2.685 m. If foresight reading on a point is 1.345 m, the reduced level of the point, is.

502.685 m

501.345 m

501.340 m

504.030 m

⇒ The magnetic meridian at a point can be fixed by

Bar magnets

Electro-magnets

Magnetic compass

None of the above

⇒ The angle of intersection of a contour and a ridge line, is.

30Â°

45Â°

60Â°

90Â°.

⇒ In chain surveying tie lines are primarily provided.

to check the accuracy of the survey

to take offsets for detail survey

to avoid long offsets from chain lines

to increase the number of chain lines.

⇒ The construction of optical square is based, on the principle of optical.

reflection

refraction

double refraction

double reflection.

⇒ Refraction correction

completely eliminates curvature correction

partially eliminates curvature correction

adds to the curvature correction

has no effect on curvature correction

⇒ Quadrantal system confines the user to measure the bearing from

The north point clockwise

The north point or south point whichever is nearer

The north point anticlockwise

None of the above

⇒ A transit is oriented by setting its vernier A to read the back azimuth of the preceding line. A back sight on the preceding transit station taken and transit is rotated about its vertical axis. The vernier A reads.

azimuth of the forward line

bearing of the. forward line

back bearing of the forward line

equal to 360Â°-azimuth of the forward line.

⇒ The accuracy of fix obtained by solving a two point problem is

Good

Fairly accurate

Not reliable

None of these

⇒ 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.

⇒ Diopter is the power of a lens having a focal length of.

25 cm

50 cm

75 cm

125 cm

⇒ The angle between the true meridian and the magnetic meridian at the time of observations is known as

Dip

Bearing angle

Magnetic bearing

Magnetic declination

⇒ A prismatic compass is used to determine

Dip at a place

Declination of a line

Whole circle bearing of a line

Quadrande bearing of a line

⇒ Transit rule of adjusting the consecutive coordinates of a traverse is used where

linear and angular measurements of the traverse are of equal accuracy

angular measurements are more accurate than linear measurements

linear measurements are more accurate than angular measurements

all of the above

⇒ Off sets are

Chain lines out of alignment

Small measurements from chain line

Measurements taken in chain surveying

None of the above

⇒ The foremost work to be executed while traversing with a compass is

Marking and referencing of stations

Running survey lines

Picking up of details

Reconnaissance

⇒ Pick up the correct statement from the following :

the diaphragm is placed between eyepiece and the objective but nearer to the former

the diaphragm is placed between the eyepiece and objective but nearer to the later

the outer component of the objective is a double-convex lens of crown glass

all the above.

⇒ A'level line'is a

horizontal line

line parallel to the mean spheriodal surface of earth

line passing through the center of cross hairs and the center of eye piece

line passing through the objective lens and the eye-piece of a dumpy or tilting level

⇒ Two concave lenses of 60 cm focal length are cemented on either side of a convex lens of 15 cm focal length. The focal length of the combination is.

10 cm

20 cm

30 cm

40 cm

⇒ During secular variation of magnetic meridian at different places.

range of oscillations is constant

period of oscillation is constant

range and period of oscillation both vary

period of oscillation only varies.

⇒ In plane table survey the method used for locating the plane table station is

Radiation

Intersection

Radiation or intersection

Traversing

⇒ In levelling operation,

The first sight on any change point is a back sight

The second sight on any change point is a fore sight

The line commences with a fore sight and closes with a back sight

The line commences with a back sight and closes with a foresight.

⇒ The additional lines which are measured to show the correctness of the chain surveying are called:

check clines

proof lines

tie lines

all of these.

⇒ When the meridian of a plane changes with time, then this meridian will be

Arbitrary

Magnetic

True

Grid

⇒ An imaginary line joining the points of equal elevation on the surface of the earth, represents.

contour surface

contour gradient

contour line

level line