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This set of Surveying Multiple Choice Questions & Answers (MCQs) focuses on Surveying Set 19
Q1 | In order to measure a horizontal angle more accurately than a vernier, a
- method of repitition is used
- method of reiteration is used
- method of deflection angles is used
- method of double observations is used
Q2 | An axis about which the telescope can be rotated in a horizontal plane, is called
- horizontal axis
- vertical axis
- axis of the level tube
- line of collimation
Q3 | A simple circular cruve is designated by the
- radius of the curve
- cruvature of the curve
- angle subtended at the centre by a chord of any length
- angle subtended at the centre by a chord of particular length
Q4 | 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
Q5 | In a duadrantal 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 wouth whichever is nearer the line towards east or west
- none of the above
Q6 | An arbitrary surface with reference to which the elevation of points are measured and compared, is called
- datum surface
- level surface
- horizontl surface
- vertical surface
Q7 | The error in measured length due to incorrect holding of chain is
- compensating error
- cumulative error
- instrumental error
- negative error
Q8 | At the equator, the amount of dip is
- 0?
- 45?
- 60?
- 90?
Q9 | A transition curve when inserted between the tangent and the circular curve
- should meet the original straight tangentially
- should meet the circular curve tangentially
- the rate of increase of curvature along the transition curve should be same as that of increase of super-elevation
- all of the above
Q10 | An imaginary line tangential to the longitudinal curve of the level at the centre of the tube is called
- horizontal axis
- vertical axis
- axis of the level tube
- line of collimation
Q11 | Which of the following statement is wrong?
- The distance measured parallel to the north-south line is called latitude of the line.
- The distance measured parallel to the east-west line is called departure of the line.
- The latitude is positive when measured downward or southward.
- The departure is negative when measured to the left or westward.
Q12 | The traversing by the method of deflection angles is chiefly used in
- canals
- highways
- railways
- all of these
Q13 | The magnification of a telescope is the ratio of the angle subtended at the eye by the virtual image of the object to that subtended by the object.
- Correct
- Incorrect
Q14 | If any closed traverse, if the survey work is correct, then
- the algebraic sum of latitudes should be equal to zero
- the algebraic sum of departures should be equal to zero
- the sum of northings should be equal to the sum of southings
- all of the above
Q15 | The image produced by the telescope will be dull, if it has
- dull
- bright
Q16 | The magnetic bearing of a line is 55? 30v and the magnetic declination is 4? 30' west. The true bearing of a line will be
- 30?
- 34? 30
- 49?
- 51?
Q17 | The line of collimation should be
- vertical
- horizontal
Q18 | In indirect method of contouring, the best method of interpolation of contours is
- by graphical method
- by estimation
- by arithmetical calculation
- all of these
Q19 | When (h) is the difference in heights between the extremities of a chain length (l), then the correction for slope required is
- h / l
- h2 / l
- h2 / 2l
- h / el
Q20 | The instrument attached to the wheel of a vehicle in order to measure the distance travelled, is called
- passometer
- pedometer
- odometer
- speedometer
Q21 | An average length of a pace is
- 60 cm
- 80 cm
- 100 cm
- 120 cm
Q22 | When the curve is to be set out over a rough ground, the method used is
- Rankine's method
- two theodolite method
- tacheometric method
- either (b) or (c)
Q23 | The capability of showing small angular movements of the level rube vertically, is called its sensitivity.
- Right
- Wrong
Q24 | The difference between the sum of the angles of a apherical triangle on the earth's surface and the angles of the corresponding plane triangle for every 195.5 km2 of area is only
- 1 second
- 5 second
- 10 second
- 15 second
Q25 | Rise and fall method is used in.
- profile levelling
- differential levelling
- check levelling
- none of these