Engineering/Civil Engineering MCQS-Surveying Section 2 Sample Test,Sample questions

Question:
 
Metric chains are generally available in

1.10 m and 20 m length

2. 15 m and 20 m length

3.20 m and 30 m length

4.25 m and 100 m length


Question:
 
On a diagonal scale; it is possible to read up to

1.one dimension

2.two dimensions

3.three dimensions

4.four dimensions.


Question:
 
Orientation of a plane table by solving two point problem is only adopted when

1.saving of time is a main factor

2.better accuracy is a main factor

3.given points are inaccessible

4.none of these.


Question:
 
Pick up the correct specification of Ramsden eyepiece from the following :

1.it consists of two equal piano convex lenses

2. the curved surfaces of plano-convex lenses face each other

3. the two lenses are separated by a distance equal to 2/3 of the focal length of either lens.

4.all the above.


Question:
 
The sum of the interior angles of a geometrical figure laid on the surface of the earth differs from that of the corresponding plane figure only to the extent of one second for every

1.100 sq. km of area

2.150 sq. km of area

3.200 sq. km of area

4.none of these.


Question:
  
A dumpy level was set up at the midpoint between two pegs A and B; 50 m apart and the staff readings at A and B were 1.22 and 1.06. With the level set up a A; the readings at A and B were 1.55 and 1.37. The collimation error per 100 m length of sight is

1.0.02 m inclined upwards

2.0.04 m inclined downwards

3.0.04 m inclined upward

4.none of these.


Question:
  
A uniform slope was measured by the method of stepping. If the difference in level between two points is 1.8 m and the slope distance between them is 15 m; the error is approximately equal to

1.cumulative; + 0.11 m

2.compensating; ± 0.11 m

3.cumulative; - 0.11 m

4. none of these


Question:
  
For setting out a simple curve; using two theodolites.

1.offsets from tangents are required

2.offsets from chord produced are required

3.offsets from long chord are required

4.none of these.


Question:
  
In levelling operation

1.if second reading is more than first; it represents a rise

2. if first reading is more than second; it represents a rise

3. if first reading is less than second; it represents a fall

4.both (b) and (c).


Question:
  
In optical reading instruments

1.the vertical circle is usually continuous from 0° to 359°

2.the readings increase when the telescope is elevated in the face left position

3.the readings decrease when the telescope is elevated in the face right position

4.all the above.


Question:
  
The operation of making the algebraic sum of latitudes and departures of a closed traverse; each equal to zero; is known

1.balancing the sights

2.balancing the departures

3.balancing the latitudes

4.balancing the traverse.


Question:
A back sight

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

2.is added to the known level to obtain the instrument height

3.taken on an inverted staff is treated as negative

4.all the above.


Question:
A dumpy level is set up with its eye-piece vertically over a peg A. The height from the top of peg A to the centre of the eye-piece is 1.540 m and the reading on peg B is 0.705 m. The level is then setup over B. The height of the eye-piece above peg B is 1.490 m and a reading on A is 2.195 m. The difference in level between A and B is

1.2.900 m

2. 3.030 m

3.0.770 m

4. 0.785 m


Question:
A relatively fixed point of known elevation above datum; is called

1.bench mark

2.datum point

3.reduced level

4.reference point.


Question:
Centering error of a theodolite produces an error

1.in all angles equally

2.which does not vary with the direction or pointing

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

4.none of these.


Question:
Cross hairs in surveying telescopes; are fitted

1.in the objective glass

2.at the centre of the telescope

3.at the optical centre of the eye piece

4. in front of the eye piece


Question:
Deviation of the actual road gradient from the proposed contou'r gradient up hill side; involves

1.embankment on the centre line

2.excavation on the centre line

3.earth work on the centre line

4.none of these.


Question:
For a curve of radius 100 m and normal chord 10 m; the Rankine's deflection angle; is

1.0°25'.95

2.0°35'.95

3. 1°25'.53

4.2°51'.53.


Question:
Geodetic surveying is undertaken

1.for production of accurate maps of wide areas

2.for developing the science of geodesy

3.making use of most accurate instruments and methods of observation

4.all the above.


Question:
If the angular measurements of a traverse are more precise than its linear measurements; balancing of the traverse; is done by

1.Bowditch's rule

2.Transit rule

3.Empirical rule

4.all of the above.


Question:
If the rate of gain of radial acceleration is 0.3 m per sec3 and full centrifugal ratio is developed. On the curve the ratio of the length of the transition curve of same radius on road and railway; is

1.2.828

2.3.828

3.1.828

4.0.828.


Question:
In levelling operation

1.when the instrument is being shifted; the staff must not be moved

2.when the staff is being carried forward; the instrument must remain stationary

3.both (a) and (b)

4.neither (a) nor (b).


Question:
An ideal transition curve is

1. cubic parabola

2.cubic spiral

3.clothoid spiral

4. true spiral.


Question:
Keeping the instrument height as 1  m; length of staff 4 m; the up gradient of the ground 1 in 10; the sight on the up slope must be less than

1.25 cm

2.20 m

3.45 m

4.10 m


Question:
Measuring with a 30 m chain; 0.01 m too short; introduces

1.positive compensating error

2.negative compensating error

3.positive cumulative error

4.negative cumulative error.


Question:
Pantagraph is used for

1.measuring distances

2. measuring areas

3.enlarging or reducing plans

4.setting out right angles


Question:
Pick up the correct statement from the following :

1. 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

2.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

3.a line passing through the optical centre of the objective traversing through the eyepiece; is called line of sight

4.all the above.


Question:
Pick up the correct statement from the following :

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

2. the unit of power of the lens is diopter

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

4.all the above.


Question:
Pick up the correct statement from the following :

1.the length of the brass handle is included in the length of chain

2. the handles are on swivel joints to prevent twisting of the chain

3. the fifth tag from either end of the chain is numbered 5

4.all the above.


Question:
Plotting of inaccessible points on a plane table; is done by

1.intersection

2.traversing

3.radiation

4.none of these.


Question:
Setting out a curve by two theodolite method; involves

1.linear measurements only

2.angular measurements only

3.both linear and angular measurements

4.none of these.


Question:
The angle between two plane mirrors of optical square; is

1.20°

2.30°

3.45°

4.45°


Question:
The best method of interpolation of contours; is by

1.estimation

2.graphical means

3.computation

4.all of these.


Question:
The branch of surveying in which both horizontal and vertical positions of a point; are determined by making instrumental observations; is known

1.tacheometry

2.tachemetry

3.telemetry

4.all of the above.


Question:
The desired sensitivity of a bubble tube with 2 mm divisions is 30". The radius of the bubble tube should be

1.13.75 m

2.3.44 m

3.1375 m

4.none of these.


Question:
The diaphragm of a stadia theodolite is fitted with two additional

1.horizontal hairs

2.vertical hairs

3. horizontal and two vertical hairs

4.none of these.


Question:
The latitude of a traverse leg is obtained by multiplying its length by

1.tangent of its reduced bearing

2.sign of its reduced bearing

3.cosine of its reduced bearing

4.cosecant of its reduced bearing


Question:
The systematic errors which persist and have regular effects in the performance of a survey operation; are due to

1.carelessness

2.faulty instrument

3.inattention

4.none of these.


Question:
The vertical angle between longitudinal axis of a freely suspended magnetic needle and a horizontal line at its pivot; is known

1.declination

2.azimuth

3.dip

4.bearing.


Question:
True meridian of different places

1.converge from the south pole to the north pole

2.converge from the north pole to the south pole

3.converge from the equator to the poles

4.run parallel to each other.


Question:
Two hill tops A and B 20 km apart are intervened by a third top C. If the top most contour of the three hill tops are of the same value; state whether the line of sight AB

1.passes clear of hill top C

2.passes below the hill top C

3.grazes the hill top C

4.none of these.


Question:
When the bubble of the level tube of a level; remains central

1.line of sight is horizontal

2.axis of the telescope is horizontal

3.line of collimation is horizontal

4.geometrical axis of the telescope is horizontal.


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