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Q: Error may rise due to want of perfection of human sight in observing and of touch in manipulating instruments is known as :
  • A. Instrumental error
  • B. Accidental error
  • C. Personal error
  • D. Natural error
Correct Answer: Option C - Personal errors– Error can also occur because of a lack of perfection of human sight in observation and of touch in instruments manipulation. Instrumental error– Survey errors may be caused by imperfection or incorrect adjustment of the measuring instrument. Natural error– Surveying can also happen due to difference in phenomenon such as temperature, humidity, gravity wind etc.
C. Personal errors– Error can also occur because of a lack of perfection of human sight in observation and of touch in instruments manipulation. Instrumental error– Survey errors may be caused by imperfection or incorrect adjustment of the measuring instrument. Natural error– Surveying can also happen due to difference in phenomenon such as temperature, humidity, gravity wind etc.

Explanations:

Personal errors– Error can also occur because of a lack of perfection of human sight in observation and of touch in instruments manipulation. Instrumental error– Survey errors may be caused by imperfection or incorrect adjustment of the measuring instrument. Natural error– Surveying can also happen due to difference in phenomenon such as temperature, humidity, gravity wind etc.