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- Question
The following tunnels were constructed in different countries for different purposes :
1. Emperor Claudius built the first Roman tunnel
2. The first highway tunnel was constructed in Hungary
3. The first underground railway tunnel was constructed in Great Britain
4. The first navigational tunnel was constructed in France.
The correct chronological development of these tunnels is:
Options- A. 4 1 3 2
- B. 1 4 2 3
- C. 2 3 1 4
- D. 3 2 4 1
- Correct Answer
- 1 4 2 3
- 1. The digested sludge from septic tanks, is removed after a maximum period of
Options- A. 3 years
- B. 3.5 years
- C. 4 years
- D. 5 years. Discuss
- 2. Chlorination of water does not remove
Options- A. ammonia content
- B. B.O.D.
- C. organic matter content
- D. dissolved oxygen. Discuss
- 3. If the loss due to friction in pipes is 4 m, the total losses in strainer and bends may be taken as
Options- A. 0.10 m
- B. 0.20 m
- C. 0.5 m
- D. 1.0 m. Discuss
- 4. Stoke's law does not hold good if the size of particle is smaller than
Options- A. 0.0002 mm
- B. 0.002 mm
- C. 0.02 mm
- D. 0.2 mm Discuss
- 5. Stoneware sewers are available in size
Options- A. 10 cm
- B. 15 cm
- C. 20 cm
- D. 25 cm
- E. all the above. Discuss
- 6. The diameter of main bars in R.C.C. columns, shall not be less than
Options- A. 6 mm
- B. 8 mm
- C. 10 mm
- D. 12 mm Discuss
- 7. The inner section of a cavity wall, is generally known as
Options- A. butress
- B. leaf wall
- C. pillaster
- D. pillar. Discuss
- 8. The product of CAF (S P) and PWF (S P) is:
Options- A. 1/2
- B. 1
- C. 1/3
- D. 1/4 Discuss
- 9. For critical flow, the Froude number is :
Options- A. 1.0
- B. less than 1.0
- C. more than 1.0
- D. 2 Discuss
- 10. A wing rail is renewed or reconditioned if its maximum vertical wear is
Options- A. 9.5 m
- B. 7.5 m
- C. 5.5 m
- D. 5.0 m Discuss
More questions
Correct Answer: 3 years
Correct Answer: dissolved oxygen.
Correct Answer: 1.0 m.
Correct Answer: 0.0002 mm
Correct Answer: all the above.
Correct Answer: 12 mm
Correct Answer: leaf wall
Correct Answer: 1
Correct Answer: 1.0
Correct Answer: 9.5 m
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