36,In freezing method of sinking the removal of ice wall after completion of siking by sending hot brine through holes is known as ..?,
defreezing,
silicatisation,
postfreezing,
thawing,
37,The method of sinking tused through any fissured water bearing strata except in running sand is..?,
pneumatic caison
cementation,
forced drop,
piling,
38,The process of treating holes with chemicals in cementation method is called?,
defreezing,
silicatisation,
presilicatisation,
thawing,
39,The holes treated with chemicals are called?,
treating holes,
test holes,
product holes,
weeping holes,
40,In cementation method the purpose of treating holes with chemicals-silicate of soda and alluminium sulfate is ..?,
To reduce the friction,
To seal cracks,
quick setting of cement,
none,
Ans: 4, 2, 2, 3, 1
No comments:
Post a Comment