Civil Engineering - UPSC Civil Service Exam Questions - Discussion
Discussion Forum : UPSC Civil Service Exam Questions - Section 22 (Q.No. 7)
7.
If a 30 m length can be taped with a precision of ± 0.01 m, then the standard error of measuring 1.08 km with the same precision will be
Discussion:
13 comments Page 2 of 2.
Er. Satyam vishwakarma said:
4 years ago
Std error = +- &radic of no. Of measurement.
Std error = +- 6*e.
= +- 0.06m.
Std error = +- 6*e.
= +- 0.06m.
(1)
Apcivilian said:
3 years ago
I think C) 0.36 is the right answer.
(2)
RAHUL said:
3 years ago
CORRECTED LENGTH = 1080 * (30+-.01)/30.
1080+-.36.
ERROR = MEASURED VALUE - TRUE VALUE.
=(1080+-36)-1080,
=±0.36.
1080+-.36.
ERROR = MEASURED VALUE - TRUE VALUE.
=(1080+-36)-1080,
=±0.36.
(1)
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