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Q1. | If the whole circle bearing of a line is 270°, its reduced bearing is. |

A. | N 90Â° W [Wrong Answer] |

B. | S 90Â° W [Wrong Answer] |

C. | W 90Â° [Correct Answer] |

D. | 90Â° W. [Wrong Answer] |

View Answer
Explanation:-
Answer : CDiscuss it below :Kehomong Lim Said on 2019-05-19 19:45:49??? !! OOPS Login [Click here] is required to post your answer/resultHelp other students, write article, leave your comments |

**Also Read Similar Questions Below :**

⇒ 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

⇒ Theodolite is an instrument used for

tightening the capstan-headed nuts of level tube

measurement of horizontal angles only

measurement of vertical angles only

measurement of both horizontal and vertical angles

⇒ When the plane table is not correctly oriented, the resectors will

Meet at a point

Form a triangle

Either of the above

None of the above

⇒ 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

⇒ One of the Lehmann's rules of plane tabling, is.

location of the instrument station is always distant from each of the three rays from the known points in proportion to their distances

when looking in the direction of each of the given points, the instrument station will be on the right side of one and left side of the other ray

when the instrument station is outside the circumscribing circle its location is always on the opposite side of the ray to the most distant point as the inter-section of the other two rays

none of these.

⇒ 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.

⇒ If the reduced bearing of a line AB is N60°W and length is 100 m, then the latitude and departure respectively of the line AB will be

+50 m, +86.6 m

+86.6 m, -50 m

+50m, -86.6 m

+70.7 m,-50 m

⇒ Ranging in chain survey means.

looking at an isolated point not on the line

establishing an intermediate point on the line

determining the distance between end points

determining the offset distance

⇒ Measuring with a 30 m chain, 0.01 m too short, introduces.

positive compensating error

negative compensating error

positive cumulative error

negative cumulative error.

⇒ The main principle of surveying is to work.

from part to the whole

from whole to the part

from higher level to the lower level

from lower level to higher level.

⇒ Check lines (or proof lines) in Chain Surveying, are essentially required.

to plot the chain lines

to plot the offsets

to indicate the accuracy of the survey work

to increase the out-turn

⇒ If the declination of the needle is 10° W.

each of the whole circle reckoning has to be micros by 10Â°

in the quadrantal method, the correction is positive in the 1st and 3rd quadrants

in the quadrantal method, the corrections is negative in 2nd and 4th quadrants

all the above.

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

straight

circular

parabolic

elliptic.

⇒ 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.

⇒ If the radius of a simple curve is

*R*, the length of the chord for calculating offsets by the method of chords produced, should not exceed.

R/10

R/15

R/20

R/25.

⇒ While working on a plane table, the correct rule is :

Draw continuous lines from all instrument stations

Draw short rays sufficient to contain the points sought

Intersection should be obtained by actually drawing second rays

Take maximum number of sights as possible from each station to distant objects.

⇒ The length of a traverse leg may be obtained by multiplying the latitude and.

secant of its reduced bearing

sine of its reduced bearing

cosine of its reduced bearing

tangent of its reduced bearing.

⇒ Perpendicular offset from a tangent to the junction of a transition curve and circular curve is equal to.

shift

twice the shift

thrice the shift

four times the shift.

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

is lighter than chain

is easier to handle

is practically inextensible and is not liable to kinks when in use

can be easily repaired in the field

⇒ 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.

⇒ As per Indian Standard the total number of links in a 30 metre chain should be

100

150

300

75

⇒ In case of a double line river, contours are.

stopped at the banks of the river

stopped at the edge of the river

drawn across the water

drawn by parabolic curves having their vertex at the centre of the water.

⇒ Pick up the correct statement from the following :

in astronomical telescope, the rays from the object after refraction at the objective are brought to a focus before entering the eyepiece to produce a real inverted image in front of the eye piece

in Galileo's telescope, the rays from the object get refracted at the objective and are intercepted by the eyepiece before a real image is formed

a line passing through the optical centre of the objective traversing through the eyepiece, is called line of sight

all the above.

⇒ 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

⇒ 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.

⇒ While measuring the distance between two points along upgrade with the help of a 20 m chain, the forward end of the chain is shifted forward through a distance.

20 (sin Î¸ - 1)

20 (cos Î¸ - 1)

20 (sec Î¸ - 1)

20 (cosec Î¸ - 1).

⇒ 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

⇒ For indirect ranging, number of ranging rods required, is.

1

2

3

4

⇒ 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

⇒ 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