The soundness of cement is tested by? Mark as favorite Copy Link Le-chatelier method air-permeability method all of these Vicat's apparatus Check Answer
The specific surface (in cm/g) of a good Portland cement should not be less than? Mark as favorite Copy Link 2250 500 3200 1100 Check Answer
For one cubic metre of brick masonry, the number of bricks required are? Mark as favorite Copy Link 550 400 450 500 Check Answer
The maximum water-cement ratio for durable concrete is? Mark as favorite Copy Link 0.6 0.8 0.4 0.2 Check Answer
A good building stone is one which does not absorb more than ……………..of its weight of later after one day’s immersion? Mark as favorite Copy Link 25% 15% 5% 10% Check Answer
The lime mortar is made from? Mark as favorite Copy Link lean lime hydraulic lime quick lime fat lime Check Answer
The wood generally used for railway sleepers is? Mark as favorite Copy Link mango kail babul deodar Check Answer
For railway ballast, the stone should be? Mark as favorite Copy Link soft with a uniform texture hard, heavy, strong and durable hard, tough, resistant to abrasion and durable hard, dense, durable, tough and easily workable Check Answer
The alkaline salt present in the bricks, absorbs moisture from the air which on drying? Mark as favorite Copy Link leaves pores and makes the bricks porous leaves high powder deposit on the brick makes the bricks brittle and weak all of these Check Answer
The percentage of silica in a good brick clay should vary from? Mark as favorite Copy Link 20 to 30% 30 to 40% 40 to 50% 50 to 60% Check Answer