31.
Which of the below structure doesn’t require PSC?

32.
How many methods of ferro cementing are there?

33.
In which beam tension capacity of steel is greater than combined compression capacity of steel and concrete?

34.
In a PSC, the tensioning system may be classified into:

35.
Which of the below is not a property of ferro cement?

36.
In a white wash, after how many hours is dissolved gum added to the solution?

37.
_________ are cheaper varieties of paint.

38.
A paint normally consists of _________ components.

39.
_________ paint gets deteriorated when exposed to sun.

40.
The appearance of glossy patches on the painted surface is called: