Surveying Questions and Answers – Levelling – Degree of Precision

This set of Surveying Problems focuses on “Levelling – Degree of Precision”.

1. The degree of precision does not depend upon the type of instrument.
a) true
b) false
View Answer

Answer: b
Explanation: The degree of precision depends upon the type of instrument, skill of observer, character of country, atmospheric conditions.

2. For a given instrument and atmospheric conditions, the precision depends upon the number of setups.
a) true
b) false
View Answer

Answer: a
Explanation: For a given instrument and atmospheric conditions, the precision depends upon the number of setups and also upon the length of sights.

3. The precision on plains will be less than that on hills.
a) true
b) false
View Answer

Answer: b
Explanation: For a given instrument and atmospheric conditions, the precision depends upon the number of setups and also upon the length of sights. Thus, the precision on plains will be less than that on hills.
advertisement
advertisement

4. The degree of precision depends upon the skill of an observer.
a) true
b) false
View Answer

Answer: a
Explanation: The degree of precision depends upon the type of instrument, skill of observer, character of country, atmospheric conditions.

5. What is the error in feet for rough levelling for reconnaissance or preliminary surveys?
a) 0.4×√M
b) 0.1×√M
c) 0.05×√M
d) 0.017×√M
View Answer

Answer: a
Explanation: According to Indian standards error in feet for rough levelling for reconnaissance or preliminary surveys is given as 0.4×√M.

6. What is the error in feet for ordinary levelling for location and construction surveys?
a) 0.4×√M
b) 0.1×√M
c) 0.05×√M
d) 0.017×√M
View Answer

Answer: b
Explanation: According to Indian standards the error in feet for ordinary levelling for location and construction surveys is given as 0.1×√M.

7. What is the error in feet for accurate levelling for principal benchmarks or for extensive surveys?
a) 0.4×√M
b) 0.1×√M
c) 0.05×√M
d) 0.017×√M
View Answer

Answer: c
Explanation: According to Indian standards, the error in feet for accurate levelling for principal benchmarks or for extensive surveys is given as 0.05×√M.
advertisement

8. What is the error in feet for precise levelling for benchmarks of widely distributed points?
a) 0.4×√M
b) 0.1×√M
c) 0.05×√M
d) 0.017×√M
View Answer

Answer: d
Explanation: According to Indian standards, the error in feet for precise levelling for benchmarks of widely distributed points is given as 0.017×√M.

9. What is the error in mm for rough levelling for reconnaissance or preliminary surveys?
a) 100 × √K
b) 24 × √K
c) 12.0 × √K
d) 4 × √K
View Answer

Answer: a
Explanation: According to Indian standards, error in mm for rough levelling for reconnaissance or preliminary surveys is given as 100×√K.
advertisement

10. What is the error in mm for ordinary levelling for location and construction surveys?
a) 100×√K
b) 24×√K
c) 12.0×√K
d) 4×√K
View Answer

Answer: b
Explanation: According to Indian standards, error in mm for ordinary levelling for location and construction surveys is given as 24×√K.

11. What is the error in mm for accurate levelling for principal benchmarks or for extensive surveys?
a) 100×√K
b) 24×√K
c) 12.0×√K
d) 4×√K
View Answer

Answer: c
Explanation: According to Indian standards, the error in mm for accurate levelling for principal benchmarks or for extensive surveys is given as 12.0×√K.

12. What is the error in mm for precise levelling for benchmarks of widely distributed points?
a) 100×√K
b) 24×√K
c) 12.0×√K
d) 4×√K
View Answer

Answer: d
Explanation: According to Indian standards, the error in mm for precise levelling for benchmarks of widely distributed points is given as 4×√K.

Sanfoundry Global Education & Learning Series – Surveying.

To practice all areas of Surveying Problems, here is complete set of 1000+ Multiple Choice Questions and Answers.

If you find a mistake in question / option / answer, kindly take a screenshot and email to [email protected]

advertisement
advertisement
Subscribe to our Newsletters (Subject-wise). Participate in the Sanfoundry Certification contest to get free Certificate of Merit. Join our social networks below and stay updated with latest contests, videos, internships and jobs!

Youtube | Telegram | LinkedIn | Instagram | Facebook | Twitter | Pinterest
Manish Bhojasia - Founder & CTO at Sanfoundry
Manish Bhojasia, a technology veteran with 20+ years @ Cisco & Wipro, is Founder and CTO at Sanfoundry. He lives in Bangalore, and focuses on development of Linux Kernel, SAN Technologies, Advanced C, Data Structures & Alogrithms. Stay connected with him at LinkedIn.

Subscribe to his free Masterclasses at Youtube & discussions at Telegram SanfoundryClasses.