Civil Engineering MCQ. PWD, CPWD, RRB, SSC, Mock Test Paper

Subject: Advance Surveying 2

**Part 2: List for questions and answers of Advance Surveying**

**Q1: The angle between the axis of earth and the vertical at the station of observation is called?**

a) Astronomical latitude

b) Astronomical co-latitude

c) Co-declination of star

d) Declination of star

**Q2: For any star to be a circumpolar star, its?**

a) Declination must be 0°

b) Declination must be 90°

c) Distance from the pole must be less than the latitude of the observer

d) Hour angle must be 180°

**Q3. The elevation of the star at elongation is obtained by**

a) Sin α = sin φ cosec δ

b) Sin α = sin φ sec δ

c) Sin α = cos φ sec δ

d) Sin α = cos φ cosec δ

**Q4: The necessary geometrical condition for triangulation adjustment, is:?**

a) The sum of the angles around a station should be 360°

b) The sum of the three angles of a plane triangle should be 180°

c) The sum of the eight angles of a braced quadrilateral should be 360°

d) All the above

**Q5: The angle between the direction of star and the direction of earth’s axis of rotation is called?**

a) Co-declination

b) Co-latitude

c) Declination

d) Latitude

**Q6: Invar tapes used for measuring base lines, is made of nickel-iron alloy containing nickel?**

a) 24%

b) 36%

c) 40%

d) 60%

**Q7: Triangulation surveys are carried out for locating?**

a) Control points for surveys of large areas

b) Control points for photogrammetric surveys

c) Engineering works, i.e. Terminal points of long tunnels, bridge abutments, etc

d) All the above

**Q8: In field astronomy, the quantities observed are entirely?**

a) Lengths

b) Angles

c) Heights

d) All of these

**Q9: The orthogonal projection of the perspective centre on a tilted photograph, is called?**

a) Nadir

b) Isocentre

c) Principal point

d) Plumb point

**Q10: The principal plane contains?**

a) Nadir point

b) Iso centre

c) Principal point

d) All the above

**Q11: The point where vertical line passing through the perspective centre intersects the plane of the photograph, is known as?**

a) Photo plumb point

b) Plumb point

c) Nadir point

d) Isocentre

**Q12: An aerial photograph may be assumed as?**

a) Parallel projection

b) Orthogonal projection

c) Central projection

d) None of these

**Q13: If the equatorial distance between two meridians is 100 km, their distance at 60° latitude will be?**

a) 1000 km

b) 800 km

c) 600 km

d) 500 km

**Q 14: The displacement of the pictured position of a point of h elevation on a vertical photograph taken with a camera of 30 cm focal length, from an altitude of 3000 m, is?**

a) 4.4 mm

b) 5.5 mm

c) 6.5 mm

d) 7.5 mm

**Q15: The net ground area of a vertical photograph 20 cm x 20 cm on scale 1 : 10,000 having overlaps 60% and 30%, is?**

a) 0.50 sq km

b) 0.56 sq km

c) 0.60 sq km

d) 0.64 sq km

**Q16: If 16 flight lines are run perpendicular to an area 30 km wide, their spacings on a photographical map on scale 1: 50,000 will be?**

a) 1 cm

b) 2 cm

c) 3 cm

d) 4 cm

**Q17: The position of the sun when its north declination is maximum is known as?**

a) Vernal equinox

b) Autumnal equinox

c) Summer solstice

d) Winter solstice

**Q18: The foot of the perpendicular on the picture plane through the optical centre of the camera lens, is known as?**

a) Isocentre

b) Principal point

c) Perspective centre

d) Plumb line

**Q19: The point where a vertical line through the optical centre of the camera lens intersects the ground, is known as?**

a) Ground principal point

b) Ground plumb point

c) Iso-centre

d) Perspective centre

**Q20: At eastern elongation, the pole star moves?**

a) Eastward

b) Westward

c) Northward

d) Southward

**Part 2: List for questions and answers of Advance Surveying**

Q1. Answer: b

Q2. Answer: c

Q3. Answer: a

Q4. Answer: d

Q5. Answer: a

Q6. Answer: b

Q7. Answer: d

Q8. Answer: b

Q9. Answer: c

Q10. Answer: d

Q11. Answer: a

Q12. Answer: c

Q13. Answer: d

Q14. Answer: d

Q15. Answer: d

Q16. Answer: d

Q17. Answer: c

Q18. Answer: b

Q19. Answer: b

Q20. Answer: c