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Q1. | A well conditioned triangle has no angle less than. |

A. | 20Â° [Wrong Answer] |

B. | 30Â° [Correct Answer] |

C. | 45Â° [Wrong Answer] |

D. | 60Â° [Wrong Answer] |

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

⇒ A back sight.

is always taken on a point of known elevation or can be computed

is added to the known level to obtain the instrument height

taken on an inverted staff is treated as negative

all the above.

⇒ Profile levelling is usually done for determining.

contours of an area

capacity of a reservoir

elevations along a straight line

boundaries of property

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

30°

45°

60°

90°

⇒ 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

⇒ Contours of different elevations may cross each other only in the case of.

an over hanging cliff

a vertical cliff

a saddle

an inclined plane.

⇒ From any point on the surface with a given inclination.

only one contour gradient is possible

two contour gradients are possible

indefinite contour gradients are possible

all the above.

⇒ The prismatic compass and surveyor's compass

give whole circle bearing (WCB) of a line and quadrantal bearing (QB) of a line respectively

both give QB of a line and WCB of a line

both give QB of a line

both give WCB of a line

⇒ 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

⇒ 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.

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

30Â°

45Â°

60Â°

90Â°.

⇒ In a lemniscate curve the ratio of the angle between the tangent at the end of the polar ray and the straight, and the angle between the polar ray and the straight, is.

2

3

4

3/2

⇒ The longitudinal section of the surface of bubble tube is.

straight

circular

parabolic

elliptic.

⇒ 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

⇒

*ABCD*is a regular parallelogram plot of land whose angle

*BAD*is 60°. If the bearing of the line

*AB*is 30°, the bearing of

*CD*, is.

90Â°

120Â°

210Â°

270Â°

⇒ As per Indian standard, the length of one link in 30 metre chain should be

30 cm

20 cm

40 cm

10 cm

⇒ Magnetic meridian and true meridian are

Always parallel

Parallel at the equator

Parallel near the poles

Never parallel

⇒ Ranging is an operation of.

reconnaissance

judging the distance

determination of slope

establishing intermediate points between terminals.

⇒ Bergchrund is a topograhical feature in.

plains

water bodies

hills

glaciated region

⇒ Removal of parallax, may be achieved by focussing.

the objective

the eye-piece

the objective and the eye-piece

none of these.

⇒ The variation in mag,netic declination is termed as

Diurnal variation

Solar variation

Lunar variation

Secular variation

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

compound curve

vertical curve

reverse curve

transition curve

⇒ Which of the following is not used in measuring perpendicular offsets ?

line ranger

steel tape

optical square

cross staff

⇒ For a tacheometer the additive and multi-plying constants are respectively

0 and 100

100 and 0

0 and 0

100 and 100

⇒ 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.

⇒ The survey, in which the curvature of earth is ignored, is called as

Plane survey

Geodetic survey

Geological survey

Aerial survey

⇒ Prismatic compass is considered more accurate than a surveyor's compass, because.

it is provided with a better magnetic needle

it is provided with a sliding glass in the object vane

its graduations are in whole circle bearings

it is provided with a prism to facilitate reading of its graduated circle

⇒ Subtense tacheometry is generally preferred to if ground is.

flat

undulating

mountaineous

deserts.

⇒ 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 slope correction for a length of 30 m along a gradient of 1 in 20, is

3.75 cm

0.375 cm

37.5 cm

2.75 cm.

⇒ If the long chord and tangent length of a circular curve of radius

*R*are equal the angle of deflection, is.

30Â°

60Â°

90Â°

120Â°