MCQ Surveying

 1.A check line in a chain surveying ?

• checks the accuracy of the framework 
• enables the surveyor to locate the interior details which are far away from the main chain lines 
• fixes up the directions of all other lines 
• all of the above

2.A plain scale is used to read ?

• one dimension 
• two dimensions 
• three dimensions 
• all of these.

3.The method of measuring distance by pacing is chiefly used in ?

• reconnaissance surveys 
• preliminary surveys 
• location surveys 
• all of these 

4.Direct ranging is possible only when the end stations are ?

• close to each other 
• not more than 100 m apart 
• mutually intervisible 
• located at highest points in the sea 

5.When the measured length is less than the actual length, the error is known as ?

• positive error 
• negative error 
• compensating error 
• instrumental error 

6.The tension, at which the effects of pull and sag for a tape are neutralised, is known as ?

• initial tension 
• absolute tension 
• surface tension 
• normal tension 

7.A plumb bob is required ?

• when measuring distances along slopes in a hilly country 
• for accurate centering of a theodolite over a station mark 
• for testing the verticality of ranging poles 
• all of the above 

8.When the length of chain used in measuring distance is longer than the standard length, the error in measured distance will be ?

• positive error 
• negative error 
• compensating error 
• none of these 

9. Chain surveying consists of the arrangement of framework of triangles because a triangle is the simple plane figure which can be plotted uniquely if ............... of the triangle are known. ?

• three sides 
• three angles 
• one side and two angles 
• one angle and two sides 

10.The accuracy in laying down the perpendicular offsets and in measuring them depends upon ?

• scale of plotting 
• length of offset 
• importance of the object 
• all of these 

11.The horizon glass in an optical square is ?

• wholly silvered 
• wholly unsilvered 
• one-fourth silvered and three-fourth unsilvered 
• hall silvered and half unsilvered 

12.The obstacle, which obstructs vision but not chaining, is a ?

• river 
• pond 
• hill 
• all of these 

13.The true or geographical meridians through the various stations ?

• are parallel 
• converge to the poles 
• converge from north pole to south pole 
• converge from south pole to north pole 

14.The horizontal angle between the true meridian and magnetic meridian is known as ?

• true bearing 
• dip 
• local attraction 
• magnetic decline 

15.When the object lies on the left hand side of the chain line, then while taking offset with at optical square, it is held in ?

• left hand upside down 
• right hand upside down 
• left hand upright 
• right hand upright 

16.In a whole circle system, the bearing of a line is measured ?

• always clockwise from the south point of the reference meridian towards the line right round the circle 
• clockwise or anticlockwise from the east or west whichever is nearer the line towards north or south 
• clockwise or anticlockwise from the north or south whichever is nearer the line towards east or west 
• none of the above 

7.Due to the magnetic influence of the earth, the magnetic needle of the prismatic compass be inclined downward towards the pole. This inclination of the needle with the horizontal is know ?

• true bearing 
• dip 
• local attraction 
• magnetic decline 

18.Which of the following statement is wrong ?

• The magnetic meridian coincides with the true meridian at all the places. 
• The magnetic meridian does not vary from place to place on the earth's surface. 
• The magnetic declination at a place is constant. 
• all of the above 

19.In plane surveying, ?

• the curvature of the earth is taken into consideration 
• the curvature of the earth is taken into consideration 
• the surveys extend over small areas 
• the surveys extend over large areas

20.An average length of a pace is ?

• 60 cm 
• 80 cm 
• 100 cm 
• 120 cm 

21.The angle between the back tangent and forward tangent of a curve is known as ?

• deflection angle 
• central angle 
• angle of intersection 
• none of these. 

22.The error in measured length due to sag of chain or tape is known as ?

• positive error 
• negative error 
• compensating error 
• instrumental error.

23.A line joining the apex of a triangle to some fixed point on the opposite side is called a ?

• check line 
• tie line 
• base line 
• none of these.

24.The length of peg interval for flat curves is ?

• 15 m 
• 20 m 
• 25 m 
• 30 m.

25.Chain surveying is most suitable when ?

• area to be surveyed is small 
• ground is fairly level and open with simple details 
• plans are required on a large scale 
• all of the above.

26.The instrument used for setting out an offset at a right angle, is called ?

• open cross-staff 
• french cross-staff 
• optical square 
• adjustable cross-staff.

27.The optical square is used to measure angles by ?

• reflection 
• double refraction.

28.The line in which the plane passing through the given point and the north and south poles south pole 0 intersects the surface of the earth, is called ?

• arbitrary meridian 
• magnetic meridian 
• true meridian 
• none of these.

29.The instrument attached to the wheel of a vehicle in order to measure the distance travelled, is called ?

• passometer 
• pedometer 
• odometer 
• speedometer.

30.The horizontal angle between the true meridian and a survey line is called ?

• magnetic bearing 
• azimuth 
• dip 
• magnetic decline.