Building Materials Proper amount of entrained air in concrete results in(i) Better workability(ii) Better resistance to freezing and thawing(iii) Lesser workability(iv) Less resistance to freezing and thawing (i) and (iv) (i) and (ii) (iii) and (iv) (ii) and (iii) (i) and (iv) (i) and (ii) (iii) and (iv) (ii) and (iii) ANSWER DOWNLOAD EXAMIANS APP
Building Materials First class timber has an average life of 1 to 5 years 5 to 10 years Less than one year More than 10 years 1 to 5 years 5 to 10 years Less than one year More than 10 years ANSWER DOWNLOAD EXAMIANS APP
Building Materials Calcination of iron ores is done To remove moisture All listed here By roasting in heaps To remove carbonic acid To remove moisture All listed here By roasting in heaps To remove carbonic acid ANSWER DOWNLOAD EXAMIANS APP
Building Materials The type of arch generally constructed over a wooden lintel or over a flat arch for the purpose of carrying the load of the wall above is relieving arch segmental arch pointed arch flat arch relieving arch segmental arch pointed arch flat arch ANSWER DOWNLOAD EXAMIANS APP
Building Materials The commonly used color pigment in paints, is Carbon black All listed here Iron oxide Ambers Carbon black All listed here Iron oxide Ambers ANSWER DOWNLOAD EXAMIANS APP
Building Materials Higher pitch of the roofi) results in stronger roofii) results in weaker roofiii) requires more covering materialiv) requires less covering materialThe correct answer is (i) and (iii) (ii) and (iv) (ii) and (iii) (i) and (iv) (i) and (iii) (ii) and (iv) (ii) and (iii) (i) and (iv) ANSWER DOWNLOAD EXAMIANS APP
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