A standard steel tape of length 30 m and cross-section 15 x 1.0 mm was standardised at 25Â°C and at 30 kg pull. While measuring a base line at the same temperature, the pull applied was 40 kg. If the modulus of elasticity of steel tape is 2.2 x 10â¶ kg/cmÂ², the correction to be applied is - Surveying Quiz

Civil Engineering : Surveying - Quiz(MCQ)

A standard steel tape of length 30 m and cross-section 15 x 1.0 mm was standardised at 25Â°C and at 30 kg pull. While measuring a base line at the same temperature, the pull applied was 40 kg. If the modulus of elasticity of steel tape is 2.2 x 10â¶ kg/cmÂ², the correction to be applied is

A)

- 0.000909 m

B)

+ 0.0909 m

C)

0.000909 m

D)

None of the above

Correct Answer : - 0.000909 m

Recently Updated in Surveying Questions

A sewer is laid from a manhole A to a manhole B, 250 m away along a gradient of 1 in 125. If the reduced level of the invert at A is 205.75 m and the height of the boning rod is 3 m, the reduced level of the sight rail at B, is_______.

A)

202.75 m

B)

206.75 m

C)

208.75 m

D)

211.75 m

Correct Answer : Option (B) : 206.75 m

In a closed traverse, sum of south latitudes exceeds the sum of north latitudes and the sum of east departures exceeds the sum of west departures, then, the closing line will lie in

A)

north east quadrant

B)

north-west quadrant

C)

south-west quadrant

D)

south-east quadrant

Correct Answer : Option (B) : north-west quadrant

The Huygen's telescope eye piece________.

A)

achromatic

B)

is aplanatic

C)

Both (A) and (B)

D)

Neither (A) nor (B)

Correct Answer : Option (C) : Both (A) and (B)

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