| 31. |
How many types of machine mixers are available?
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Answer:
Option (d) |
| 32. |
__________ method is used to restore slab or pavement which has settled.
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Answer:
Option (d) |
| 33. |
The Freyssinet system of post tensioning anchorages was developed in ___________
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Answer:
Option (c) |
| 34. |
Which system of prestressing is widely used in India?
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Answer:
Option (d) |
| 35. |
The method of tensioning Magnel-Balton system involves ___________
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Answer:
Option (a) |
| 36. |
The hydraulic jacks are the simplest and most widely used devices for providing prestress of ___________
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Answer:
Option (a) |
| 37. |
The electrical devices are commonly used for tensioning of ___________
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Answer:
Option (a) |