Test: Surveying- 2 - Civil Engineering (CE) MCQ

Resection

Orientation

Traversing

Resection and orientation

Parallel lines do not appear parallel in central projection

The two sides of a road meet at the vanishing point

The lines parallel to the negative plane are projected as parallel lines

All the above

Shimmering

Horizontal refraction

Vertical refraction

Both shimmering and horizontal refraction

f/i

i/f

(f + d)

f/d

13.75 m

3.44 m

1375 m

None of these

Levelling

Measurement of horizontal distances in plane areas

Measurement of horizontal distances in undulated areas

Measurement of angles

Mean areas

End areas

Trapezoidal

All the above

The constants by sin²q

The constants by cos²q

The constants by cosq

The multiplying constant by cos²q and additive constant by cosq

The directions of plumb lines suspended at different points in a survey are not strictly parallel

In surveys of small extent, the effect of curvature may be ignored and the level surface of the earth is assumed as horizontal

In surveys of large extent, the effect of curvature of the earth must be considered

All the above

equal to the actual error

twice the actual error

thrice the actual error

none of these.

Compound curve

Vertical curve

Reverse curve

Transition curve

length of chain 20 mm wrong

one end of the chain 0.9 m off the line

one end of chain 0.9 m higher than the other

middle of the chain 0.45 m off the line

all the above.

Small areas in open ground

Small areas with crowded details

Large areas with simple details

Large areas with difficult details

Cannot cross each other

Can cross each other

Cannot unite together

Can unite together

Bridge carrying railway below road

Bridge carrying road below railway

Bridge carrying road and railway at the same level

A level crossing

Error due to refraction may not be completely eliminated by reciprocal levelling

Tilting levels are commonly used for precision work

The last reading of levelling is always a foresight

All of the above statements are incorrect

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

Secant of its reduced bearing

Sine of its reduced bearing

Cosine of its reduced bearing

Tangent of its reduced bearing

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

Declination

Azimuth

Dip

Bearing

Only (i)

(i) and (ii)

(ii) and (iii)

(i), (ii) and (iii)

Gradually decrease of curvature from zero at the tangent point to the specified quantity at the junction of the transition curve with main curve

Gradual increase of super-elevation from zero at the tangent point to the specified amount at the junction of the transition curve with main curve

Gradual change of gradient from zero at the tangent point to the specified amount at the junction of the transition curve with main curve

None of these

cos j = (cosq– sina sinb)/cosa. cosb

cos j = (sinq– sina sinb)/cosa. cosb

cos j = (cosq– sina sinb)/sina. cosb

None of these

Away from the telescope pointing down hill

Towards the telescope pointing up-hill

Away from the telescope pointing up-hill

None of these

Tracing paper method

Bessel's method

Lehman's method

all of the above