Building Materials Which one of the following polymers is obtained from condensation polymerization? Phenol formaldehyde All of these Carbamide Melamine-formaldehyde Phenol formaldehyde All of these Carbamide Melamine-formaldehyde ANSWER DOWNLOAD EXAMIANS APP
Building Materials The maximum quantity of calcium chloride used as an accelerator in cement in percentage by weight of cement is 4 3 1 2 4 3 1 2 ANSWER DOWNLOAD EXAMIANS APP
Building Materials For melting one tonne of cast iron 700 m3 air is required 20 kg limestone is required One quintal coke is required All listed here 700 m3 air is required 20 kg limestone is required One quintal coke is required All listed here ANSWER DOWNLOAD EXAMIANS APP
Building Materials Asphalt is obtained from Bitumen distillation None of these Petroleum distillation Plastic distillation Bitumen distillation None of these Petroleum distillation Plastic distillation ANSWER DOWNLOAD EXAMIANS APP
Building Materials Quick lime (or caustic lime) Has great affinity to moisture Is obtained by the calcination of pure lime stone Is amorphous All of these Has great affinity to moisture Is obtained by the calcination of pure lime stone Is amorphous All of these ANSWER DOWNLOAD EXAMIANS APP
Building Materials Calcination of iron ores is done To remove moisture To remove carbonic acid By roasting in heaps All listed here To remove moisture To remove carbonic acid By roasting in heaps All listed here ANSWER DOWNLOAD EXAMIANS APP
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