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Q1. | Tilt of the staff in stadia tacheometry increases the intercept if it is. |

A. | away from the telescope pointing down hill [Wrong Answer] |

B. | towards the telescope pointing up-hill [Wrong Answer] |

C. | away from the telescope pointing up-hill [Correct Answer] |

D. | none of these. [Wrong Answer] |

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

⇒ 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.

⇒ Which of the following instruments can be used for the direct measurement of directions?

Surveyor's compass

Prismatic compass

Any of the above

None of the above

⇒ The distances

*AC*and

*BC*are measured from two fixed points

*A*and

*B*whose distance

*AB*is known. The point

*C*is plotted by intersection. This method is generally adopted in.

chain surveying

traverse method of surveys

triangulation

none of these.

⇒ In a perfect prismatic compass.

magnetic axis and geometric axis of the needle coincide

ends of the needle and pivot are in same vertical and horizontal planes

pivot is vertically over the centre of the graduated circle

all the above.

⇒ In chain surveying, perpendiculars to the chain line, are set out by.

a theodolite

a prismatic compass

a level

an optical square

⇒ The angle of intersection of the two plane mirrors of an optical square is

30°

45°

60°

90°

⇒ Grid lines are parallel to.

magnetic meridian of the central point of the grid

line representing the central true meridian of the grid

geographical equator

none of these.

⇒ The angle between two plane mirrors of an optical square should be

30°

45°

60°

90°

⇒ Resolving power of a telescope depends on.

the diameter of the aperture

the pupil aperture of the eye

the diameter of the object glass

all the above.

⇒ Invar tapes are made of an alloy of

Nickel and steel

Copper and steel

Tin and steel

Aluminium and steel

⇒ The longest chainline passing through the centre of the area is known as

Base line

Tie line

Check line

All the above

⇒ He difference of level between a point below the plane of sight and one above, is the sum of two staff readings and an error would be produced equal to.

the distance between the zero of gradient and the foot of the staff

twice the distance between the zero of graduation and the foot of the staff

thrice the distance between the zero of graduation and the foot of the staff

none of the above.

⇒ Pick up the correct statement from the following.

1 second of arc corresponds to a displacement ratio of 1:206, 300

1 degree of arc corresponds to a displacement ratio of 1:57

the angular errors tend to propagate themselves along a traverse as the square root of the number of stations

all the above.

⇒ Back bearing of a line is equal to.

Fore bearing Â± 90Â°

Fore bearing Â± 180Â°

Fore bearing Â± 360Â°

Fore bearing Â± 270Â°

⇒ If the length of a transition curve to be introduced between a straight and a circular curve of radius 500 m is 90 m, the maximum perpendicular offset for the transition curve, is.

0.70 m

1.70 m

2.70 m

3.70 m

⇒ Removal of parallax, may be achieved by focussing.

the objective

the eye-piece

the objective and the eye-piece

none of these.

⇒ An internal focussing type surveying telescope, may be focussed by the movement of.

objective glass of the telescope

convex-lens in the telescope

concave lens in the telescope

plano-convex lens in the telescope.

⇒ The smaller horizontal angle between the true meridian and a survey line, is known.

declination

bearing

azimuth

dip.

⇒ An obstacle which obstructs chaining but not ranging may be a

Building

Lake

Hillock

Electric pole

⇒ The angle of intersection of a curve is the angle between.

back tangent and forward tangent

prolongation of back tangent and forward tangent

forward tangent and long chord

back tangent and long chord.

⇒ Subtense tacheometry is generally preferred to if ground is.

flat

undulating

mountaineous

deserts.

⇒ Chain surveying is well adopted for.

small areas in open ground

small areas with crowded details

large areas with simple details

large areas with difficult details.

⇒ An imaginary line lying throughout the surface of ground and preserving a constant inclination to the horizontal is known as

contour line

horizontal equivalent

contour interval

contour gradient

⇒ In centesimal system circumference is divided Into

400 parts

360 parts

180 parts

240 parts

⇒ Whole circle bearing of a line is preferred to a quadrantal bearing merely because.

bearing is not completely specified by an angle

bearing is completely specified by an angle

Sign of the correction of magnetic declination is different in different quadrants

its trigonometrical values may be extracted from ordinary tables easily.

⇒ Which of the following angles can be set out with the help of French cross staff?

45° only

90° only

either 45° or 90°

any angle

⇒ A theodolite is said to be in perfect adjustment if.

rotation axis is vertical to the transit axis

transit axis is perpendicular to line of collimation

line of collimation sweeps out a vertical plane while the telescope is elevated or depressed

all the above.

⇒ Centering error of a theodolite produces an error.

in all angles equally

which does not vary with the direction or pointing

which varies with the direction of pointing and inversely with the length of sight

none of these.

⇒ The error due to eccentricity of inner and outer axes can be eliminated by

reading both verniers and taking the mean of the two

taking both face observations and taking the mean of the two

double sighting

taking mean of several readings distributed over different portions of the graduated circle

⇒ Agate cap is fitted with a

cross staff

level

chain

prismatic compass