1. Mostly used best material for damp proofing is:
(A) Bitumen
(B) Paraffin wax
(C) Cement solution
(D) Cement concrete
2. Flexible material used as D.P.C.:
(A) Mastic asphalt
(B) Plastic sheeting
(C) Bitumen sheeting
(D) Cement concrete
3. Thickness of vertical D.P.C layer:
(A) ½ to 1 in
(B) 1 to ½ in
(C) 1½ to 2 in
(D) 2 to 4 in
4. Termite enters in the building through:
(A) All of these
(B) Crack in floor
(C) Services
(D) Openings
5. Weight of chemical in respect of weight of cement used for water proofing:
(A) 2%
(B) 1%
(C) 1.5%
(D) 0.5%
6. Termite proofing material should be:
(A) All of these
(B) Premise
(C) Bora care
(D) Termidor
7. Thickness of D.P.C is:
(A) 1.5 inch
(B) 4 cm
(C) None of these
(D) Both A and B
8. Protection of building against dampness is called:
(A) Water proofing
(B) Anti damping
(C) D.P.C
(D) Dewatering