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Q1. | For accurate work, the steel band should always be used in preference to chain because the steel band |

A. | is lighter than chain [Wrong Answer] |

B. | is easier to handle [Wrong Answer] |

C. | is practically inextensible and is not liable to kinks when in use [Correct Answer] |

D. | can be easily repaired in the field [Wrong Answer] |

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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 :**

⇒ In reciprocal levelling, the error which is not completely eliminated, is due to.

earth's curvature

non-adjustment of line of collimation

refraction

non-adjustment of the bubble tube.

⇒ Pick up the correct statement from the following :

If the slope of the curve of a mass diagram in the direction of increasing abscissa is downward, it indicates an embankment

The vertical distance between a maximum ordinate and the next forward maximum ordinate represents the whole volume of the embankment

The vertical distance between a minimum ordinate and the next forward maximum ordinate represents the whole volume of a cutting

all the above.

⇒ The ratio of the angles subtended at the eye, by the virtual image and the object, is known as telescope's.

resolving power

brightness

field of view

magnification.

⇒ An error under the same conditions always of the same size and sign is called as

Uniform error

Systematic error

Cumulative error

Any of (B) and (C) above

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

north end

east end

south end

west end.

⇒ While measuring with a metallic tape of 30 m length pull should be applied.

1 kg

2 kg

3 kg

4 kg

⇒ Contour interval is

inversely proportional to the scale of the map

directly proportional to the flatness of ground

larger for accurate works

larger if the time available is more

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

Radiation

Intersection

Radiation or intersection

Traversing

⇒ Straight, parallel and widely spaced contours represent.

a steep surface

a flat surface

an inclined plane surface

curved surface.

⇒ Pick up the correct statement from the following :

the lines of sight while observing back sight and fore sight lie in the same horizontal plane

the staff readings are measurements made vertically downwards from a horizontal plane

the horizontal plane with reference to which staff readings are taken, coincides with the level surface through the telescope axis

all the above.

⇒ If

*L*is in kilometres, the curvature correction is.

58.2 L2 mm

64.8 L2 mm

74.8 L2 mm

78.4 L2 mm.

⇒ For locating a distant object visible from two transit stations, the method usually preferred to, is.

Angles and distances from transit stations

Angles from two transit stations

distance from two transit stations

Angle from one transit station and distance from the other.

⇒ Bowditch rule is applied to

an open traverse for graphical adjustment

a closed traverse for adjustment of closing error

determine the effect of local attraction

none of the above

⇒ True meridian of different places.

converge from the south pole to the north pole

converge from the north pole to the south pole

converge from the equator to the poles

run parallel to each other.

⇒ 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

⇒ 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.

⇒ The length of a ranging rod should be

1.5 to 2 m

2 to 3 m

3 to 4m

2.5 to 4.5 m

⇒ Keeping the instrument height as 1.5 m, length of staff 4 m, the slope of the ground as 1 in 10, the sight on the down-slope, must be less than.

30 m

25 m

20 m

15 m

⇒ Pick up the correct statement from the following :

the power of a lens is the reciprocal of its focal length

the power of a lens is the reciprocal of its focal length

the power of two or more thin lenses in contact is the power of the combination of the lenses

all the above.

⇒ Irregular variation in magnetic declination may be due to

Magnetic storm

Earthquakes

Solar influence

Lunar influence

⇒ Two contour lines, having the same elevation.

cannot cross each other

can cross each other

cannot unite together

can unite together.

⇒ The orthographical projection of a traverse leg upon the reference meridian, is known as.

departure of leg

latitude to the leg

co-ordinate of the leg

bearing of the leg.

⇒ 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 triangle is said to be well conditioned if none of its angles is less than

20°

30°

45°

60°

⇒ In centesimal system circumference is divided Into

400 parts

360 parts

180 parts

240 parts

⇒ 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

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

Arbitrary

Magnetic

True

Grid

⇒ For orientation of a plane table with three points

*A*,

*B*and

*C*, Bessel's drill is.

Align b through a and draw a ray towards c, align a through b and draw a ray towards c, finally align c through the point of intersection of the previously drawn rays

Align c through a and draw a ray towards b, align a through c and draw a ray towards b, finally align b through the point of intersection of the previously drawn rays

Align c through b and draw a ray towards a, align b through c and draw a ray towards a, finally align a, through the point of intersection of the previously, drawn rays

In the first two steps any two of the points may be used and a ray drawn towards the third point, which is sighted through the point of intersection of previously drawn rays in the final step.

⇒ The bubble tube is nearly filled with.

alcohol or chloroform

a liquid which is very mobile

a liquid having low freezing point

all the above.

⇒ The instrument used for accurate centering in plane table survey is

spirit level

alidade

plumbing fork

trough compass