MCQ on Chain and cross staff survey

 

MCQ on Chain and cross staff survey

1. Chain survey is recommended when the area is

a. crowded

b. undulating

c. simple and fairly level

d. mountainous

Answer is simple and fairly level

 

2) In Chain survey, the area is divided into

a. Rectangles

b. Triangles

c. square

d. trapezoids

Answer is Triangles

3. Sketch prepared during reconnaissance survey is known as

a. hand sketch

b. Index sketch

c. rough sketch

d. drawing sketch

Answer is index sketch

4. A triangle is said to be well conditioned triangle when its angles should lie between

a. 30 degree and 120 degree

b. 20 degree and 150 degree

c. 15 degree and 135 degree

d. 80 degree and 90 degree

Answer is 30 degree and 120 degree

 

5. The working principle of the optical square is based on

a. reflection

b. refraction

c. Double reflection

d. double refraction

Answer is refraction

  

6. The field records of the chain survey is entered in a

a. exercise book

b. field book

c. level book

d. notebook

Answer is field book

7. The chainman who drags the chain is called the

a. captain

b. Leader

c. Follower

d. Master

Answer is Leader.

8. The preliminary inspection of the area to be surveyed is known as

a. Preliminary Survey

b. Primary Survey

c. Reconnaissance Survey

d. Route Survey

Answer is Reconnaissance Survey

 

9. The main survey stations are located on ground by

a. hand sketch

b. Index sketch

c. rough sketch

d. Reference sketch

Answer is Reference sketch

10. The main object of running a tie line is

a. To check accuracy of work

b. To take details of a nearby object

c. To take an offset for detailed surveying.

d. None of the above

Answer is to take details of a nearby object.

11. Cross staff is used for

a. marking of survey station

b. setting perpendicular lines to survey line

c. alignment of a Survey line

d. setting a line at an angle to a survey line at a point

Answer is setting perpendicular lines to the survey line

 

12. A flag is provided on a ranging rod, when the ranging distance exceeds about

a. 10m

b. 25m

c 50m

d. 200m

 Answer is 200m.

 

13. Which of the following angles can be set out with the help of French cross staff?

a. 45-degree only

b. 90 degree only

c. either 45 degree or 90 degree

d. any angle

Answer is either 45 degree or 90 degree.

  

14. For taking an oblique offset which makes an angle of 45 degree with the chain line. The instrument used is

a. the a adjustable cross staff

b. open cross staff

c. French cross staff

d. optical square

 Answer is French cross staff

15. perpendicular offsets may be taken by setting the right angle in the ratio

a 3:6:9

b 3:4:5

c 2:4:5

d 4:5:6

Answer is 3:4:5

16. In an optical square, the Mirrors are fixed at an angle of

a. 30 degree

b. 60 degree

c. 45 degree

d. 90 degree  Answer is 45 degree.

17. While testing a chain a tension of 80N is applied at the ends of a

a. 20m chain

b. 30m chain

c. both a and b

d. Gunter's chain

answer is both a and b.

 

18. The length of the arrow is

a. 100mm

b. 200mm

c. 300mm

d. 400mm

Answer is 400mm.

 

19. Which of the following instrument is used to fix the intermediate points on the survey line

 a. line Ranger

b. optical square

c. Invar Tape

d. Cross staff

answer is line Ranger

 

20. Which of the following line is most important line of the survey?

a. baseline

b. Tie line

c. Check line

d. Survey line

Answer is baseline.        

 

21. Which of the following line is used to locate the interior details?

a. baseline

b. Tie line        

c. Check line

d. Survey line Answer is Tie line

 

22. the length of one pace is taken as

a. 50 cm

b. 80 cm

c.100cm

d. 120 cm  answer is 80cm

 

23. When length of the offset is less than 15m ,offsets are called as a. short offsets

b. long offsets

c. swing sets

d. Perpendicular offsets

answer is short offsets.