Building Materials Initial setting time of cement for asbestos cement products should be not less than 50 minutes 90 minutes 75 minutes 30 minutes 50 minutes 90 minutes 75 minutes 30 minutes ANSWER DOWNLOAD EXAMIANS APP
Building Materials For the manufacture of Portland cement, the proportions of raw materials used, are Silica 40% ; lime 40% ; other ingredients 20% Silica 70% ; lime 20% ; other ingredients 10% Lime 22% ; silica 63% ; other ingredients 15% Lime 63% ; silica 22% ; other ingredients 15% Silica 40% ; lime 40% ; other ingredients 20% Silica 70% ; lime 20% ; other ingredients 10% Lime 22% ; silica 63% ; other ingredients 15% Lime 63% ; silica 22% ; other ingredients 15% ANSWER DOWNLOAD EXAMIANS APP
Building Materials Bitumen is generally obtained from Organic material Synthetic material Petroleum product Coal Organic material Synthetic material Petroleum product Coal ANSWER DOWNLOAD EXAMIANS APP
Building Materials Three basic raw materials which are needed in large quantities for production of steel are Iron ore, coal and lime stone Iron ore, carbon and lime stone Iron ore, carbon and sulphur Iron ore, coal and sulphur Iron ore, coal and lime stone Iron ore, carbon and lime stone Iron ore, carbon and sulphur Iron ore, coal and sulphur ANSWER DOWNLOAD EXAMIANS APP
Building Materials Which one of the following polymers is obtained from condensation polymerization? Melamine-formaldehyde Carbamide All of these Phenol formaldehyde Melamine-formaldehyde Carbamide All of these Phenol formaldehyde ANSWER DOWNLOAD EXAMIANS APP
Building Materials For construction of structures under water, the type of lime used, is Fat lime Pure lime Quick lime Hydraulic lime Fat lime Pure lime Quick lime Hydraulic lime ANSWER DOWNLOAD EXAMIANS APP
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