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- Question
For slaking of 10 kg of CaO, the theoretical amount of water is
Options- A. 2.2 kg
- B. 1.5 kg
- C. 3.2 kg
- D. None of these.
- Correct Answer
- 3.2 kg
- 1. The nitrate concentration in domestic water supplies, is generally limited to
Options- A. 10 ppm
- B. 15 ppm
- C. 25 ppm
- D. 30 ppm
- E. 45 ppm. Discuss
- 2. Bessemer process is used for the manufacture of
Options- A. Pig iron
- B. cast iron
- C. Wrought iron
- D. Steel. Discuss
- 3. Rails are bent to correct curvature if the degree of curve, is more than
Options- A. 1°
- B. 2°
- C. 3°
- D. 4°
- E. 6° Discuss
- 4. Minimum spacing between horizontal parallel reinforcement of the same size should not be less than
Options- A. one diameter
- B. 2.5 diameters
- C. 3 diameters
- D. 3.5 diameters
- E. 4 diameters Discuss
- 5. The pH value of fresh sewage is usually
Options- A. equal to 7
- B. more than 7
- C. less than 7
- D. equal to zero. Discuss
- 6. The point on the photograph where bisector between the vertical line through optical centre of the camera lens and the plate perpendicular meets, is known as
Options- A. principal point
- B. isocentre
- C. plumb point
- D. perspective centre. Discuss
- 7. The difference of height of two points whose parallax difference is 0.8 mm on a pair of stereo pair taken from a height H is 100 m. If mean photo base is 95.2 mm, the flying height is
Options- A. 8,000 m
- B. 10,000 m
- C. 12,000 m
- D. 14,000 m Discuss
- 8. French polish is
Options- A. oil paint
- B. distemper
- C. spirit varnish
- D. none to these. Discuss
- 9. A wastewater sample contains 10-5.6 mmol/l of OH ions at 25° C. The pH of this sample is
Options- A. 8.6
- B. 8.4
- C. 5.6
- D. 5.4 Discuss
- 10. If the length of a cantilever carrying an isolated load at its free end is doubled, the deflection of the free end will increase by
Options- A. 8
- B. 1/8
- C. 1/3
- D. 2
- E. 3 Discuss
More questions
Correct Answer: 45 ppm.
Correct Answer: Steel.
Correct Answer: 4°
Correct Answer: one diameter
Correct Answer: more than 7
Correct Answer: isocentre
Correct Answer: 12,000 m
Correct Answer: spirit varnish
Correct Answer: 5.4
Correct Answer: 8
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