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- Question
A standard steel tape of length 30 m and cross-section 15 x 1.0 mm was standardised at 25°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 106 kg/cm2, the correction to be applied is
Options- A. - 0.000909 m
- B. + 0.0909 m
- C. 0.000909 m
- D. none of these
- Correct Answer
- - 0.000909 m
- 1. If L is in kilometres, the curvature correction is
Options- A. 58.2 L2 mm
- B. 64.8 L2 mm
- C. 74.8 L2 mm
- D. 78.4 L2 mm. Discuss
- 2. The distance between the point of intersection of an up grade + g1% and downgrade g2% and the highest point of the vertical curve of length L, is
Options- A.
- B.
- C.
- D.
.
Discuss
- 3. Transition curves are introduced at either end of a circular curve, to obtain
Options- A. gradually decrease of curvature from zero at the tangent point to the specified quantity at the junction of the transition curve with main curve
- B. gradual increase of super-elevation from zero at the tangent point to the specified amount at the junction of the transition curve with main curve
- C. gradual change of gradient from zero at the tangent point to the specified amount at the junction of the transition curve with main curve
- D. none of these. Discuss
- 4. If whole circle bearing of a line is 120°, its reduced bearing is
Options- A. S 20° E
- B. S 60° E
- C. N 120° E
- D. N 60° E. Discuss
- 5. Accurate measurement of deflection angles with a transit not properly adjusted may be made by
Options- A. setting the vernier A at zero at back station and then plunging the telescope
- B. setting the vernier A at zero at back station and turning the instrument to the forward station
- C. taking two back sights one with the telescope normal and the other with telescope inverted
- D. none of these. Discuss
- 6. The zero of the graduated circle of a prismatic compass is located at
Options- A. north end
- B. east end
- C. south end
- D. west end. Discuss
- 7. Magnetic declination at any place
Options- A. remains constant
- B. does not remain constant
- C. fluctuates
- D. changes abruptly. Discuss
- 8. The bearings of two traverse legs AB and BC are N52° 45' E and N34° 30' E respectively. The deflection angle is
Options- A. 18° 15' E
- B. 18° 15' N
- C. 18° 15' W
- D. 18° 15' R
- E. 18° 15' L Discuss
- 9. Systematic errors are those errors
Options- A. which cannot be recognised
- B. whose character is understood
- C. whose effects are cumulative and can be eliminated
- D. none of these. Discuss
- 10. Greater accuracy in linear measurements, is obtained by
Options- A. tacheometry
- B. direct chaining
- C. direct taping
- D. all the above. Discuss
Surveying problems
Search Results
Correct Answer: 78.4 L2 mm.
Correct Answer:
. Correct Answer: gradual increase of super-elevation from zero at the tangent point to the specified amount at the junction of the transition curve with main curve
Correct Answer: S 60° E
Correct Answer: taking two back sights one with the telescope normal and the other with telescope inverted
Correct Answer: south end
Correct Answer: does not remain constant
Correct Answer: 18° 15' L
Correct Answer: whose effects are cumulative and can be eliminated
Correct Answer: direct taping
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