### Surveying Set 16

This set of Surveying Multiple Choice Questions & Answers (MCQs) focuses on Surveying Set 16

Q1 | The point on which the instrument is set up, is called station point
• TRUE
• FALSE
Q2 | The bearing observed with a surveyor's compass is
• whole circle bearing
Q3 | A French cross-staff has a magnetic compass at the top.
• Right
• Wrong
Q4 | The method of levelling in which the heights of mountains are found by observing the temperature at which water boils is known as
• barometric levelling
• reciprocal levelling
• longitudinal levelling
• hypometry
Q5 | When the length of chain used in measuring distance is shorter than the standard length, the error in measured distance will be compensating error.
• Right
• Wrong
Q6 | A plain scale is used to read
• one dimension
• two dimensions
• three dimensions
• all of these
Q7 | The surveying used to determine additional details such as boundaries of fields, is called
• city surveying
• location surveying
• topographical surveying
Q8 | The area of any irregular figure can be calculated accurately with the help of a planimeter.
• TRUE
• FALSE
Q9 | The shift of a curve is
• equal to
• one-half
• one-third
• one-fourth
Q10 | The method of measuring distance by pacing is chiefly used in
• reconnaissance surveys
• preliminary surveys
• location surveys
• all of these
Q11 | In locating the details of an object whose direct measurement is not possible due to some obstruction, the method used is
• by angles and distances from the same station
• by angle from one station and distance from the other station
• by distance from two different stations
• by angles from two different stations
Q12 | The collimation method for obtaining the reduced levels of points does not provide a check on
• fore sights
• back sights
• change points
• intermediate sights
Q13 | In a whole circle bearing system, S 25? 15' E corresponds to
• 115? 15'
• 154? 45'
• 205? 15'
• 334? 45'
Q14 | The representative fraction of the scale is the ratio of the distance on the map or drawing to the corresponding distance on the ground
• Yes
• No
Q15 | The deflection angle for any chord is equal to the deflection angle for the proceeding chord minus the tangential angle for that chord.
• Yes
• No
Q16 | It is required to find the difference in elevation between two points A and B. During levelling, it is found that the staff reading at B is more than the staff reading at A. It indicates that the point A is
• higher than
• lower than
Q17 | The obstacle, which obstructs chaining but not vision, is a
• river
• hill
• rising ground
• all of these
Q18 | When 1 cm on a map represents 10 m on the ground, the representative fraction of the scale is
• 1?10
• 1?100
• 1?1000
• 1?10000
Q19 | The angle between the reflecting surfaces of a prism square is
• 30?
• 45?
• 60?
• 75?
Q20 | The vertical distance above or below the datum is called
• reduced level of the point
• elevation of the point
• height of the instrument
• either (a) or (b)
Q21 | For setting out an offset at an angle of 45?,
• open
• french
Q22 | When the effect of curvature is taken into account in levelling, the true staff reading is obtained by
• subtracting
Q23 | In the surveying telescope, diaphragm is held
• inside the eye piece
• inside the objective
• nearer to the eye piece
• nearer to the objective
Q24 | A base line in a chain survey
• 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
Q25 | The method of surveying used for dtermining the relative height of points on the surface of the earth is called
• levelling
• simple levelling
• longitudinal levelling
• differential levelling