Building Materials The rocks which are formed due to cooling of magma at a relatively shallow depth from the earth's surface are called Hypabyssal rocks Igneous rocks Plutonic rocks Volcanic rocks Hypabyssal rocks Igneous rocks Plutonic rocks Volcanic rocks ANSWER DOWNLOAD EXAMIANS APP
Building Materials The initial setting time for ordinary Portland cement as per IS specifications should not be less than 30 minutes 60 minutes 10 minutes 600 minutes 30 minutes 60 minutes 10 minutes 600 minutes ANSWER DOWNLOAD EXAMIANS APP
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 (ii) and (iii) (iii) and (iv) (i) and (iv) (i) and (ii) (ii) and (iii) (iii) and (iv) (i) and (iv) (i) and (ii) ANSWER DOWNLOAD EXAMIANS APP
Building Materials After storage, the strength of cement Remains same May increase or decrease Decreases Increases Remains same May increase or decrease Decreases Increases ANSWER DOWNLOAD EXAMIANS APP
Building Materials Soundness of cement is tested by Vicat's apparatus Compressive strength testing apparatus None of these Le-chatelier apparatus Vicat's apparatus Compressive strength testing apparatus None of these Le-chatelier apparatus ANSWER DOWNLOAD EXAMIANS APP
Building Materials The main constituent of cement which is responsible for initial setting of cement is All of these tricalcium aluminate tricalcium silicate dicalcium silicate All of these tricalcium aluminate tricalcium silicate dicalcium silicate ANSWER DOWNLOAD EXAMIANS APP
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