51.
The structural concrete slab panels can be repaired by ____________

52.
Which type of inspection is more intensive involving examination of structural elements?

53.
Prestressed concrete structures showing visible signs of distress in the form of ____________

54.
One of the testing equipments used for inspection is?

55.
The pachometer is used to locate the ____________

56.
In case of bridge greater than 10.7m in height and which cannot be inspected from beneath due to watery situation the instrument suited for inspection work is?

57.
In the case of dormant cracks wider than about 1m, it is more economical to use ____________

58.
How many sealants are there used depending upon their suitability in a given situation?

59.
How many types of damages are present in classification of damage?

60.
If the loss of prestress is excessive resulting in tensile cracks, which method should be used?