Top 550+ Solved Building Materials MCQ Questions Answer
Q. For light and ornamental casting, the most unsuitable pig iron, is
a. Bessemer pig
b. Grey or foundry pig
c. White or forge pig
d. Mottled pig
Q. If the ore impurities is
a. Clay, lime stone is used as flux
b. Lime stone, clay is used as flux
c. Quartz, lime stone and argillaceous iron ores are used as flux
d. All the above
Q. The plastics prepared from Vinyl resin are
a. Odourless
b. Non-toxic
c. Transparent
d. All of these
Q. A rock contains only one mineral. It is called
a. Homogeneous
b. Non-homogeneous
c. Monomineralic
d. Polymineralic
Q. Pegmatite is a/an
a. Intrusive igneous rock
b. Extrusive igneous rock
c. Sedimentary rock
d. Metamorphic rock
Q. Dorry's testing machine is used for
a. Crushing test of stone
b. Hardness test of stone
c. Impact test of stone
d. Water absorption test
Q. Dolomite is a lime stone which contains carbonate of magnesia upto
a. 15 %
b. 20 %
c. 25 %
d. 45 %
Q. The portion of the brick cut across its width and having its length equal to that of a full brick, isknown as
a. Closer
b. Queen closer
c. King closer
d. Prince closer
Q. Which of the following stresses is used for identifying the quality of structural steel?
a. Ultimate stress
b. Yield stress
c. Proof stress
d. None of the above
Q. Quick lime
a. Generates heat when added to water
b. Reacts with carbon dioxide
c. May be used for white-washing
d. All the above
Q. Assertion A : Normally turpentine oil is recommended as thinner for indoor painting.Reason R : Turpentine oil is costlier than other thinners. Select your answer according to the coding system given below:
a. Both A and R is true and R is the correct explanation of A
b. Both A and R is true but R is not the correct explanation of A
c. A is true but R is false
d. A is false but R is true
Q. Putty is
a. Made with finely powdered chalk and linseed oil
b. Used for fixing glass panes
c. Softened by a solution of pearl ash and quick-lime soaked in water
d. All the above
Q. A mortar joint in masonry which is normal to the face of wall is known as
a. Bed joint
b. Wall joint
c. Cross joint
d. Bonded joint
Q. A volatile substance added to a paint to make its application easy and smooth, is known as
a. Base
b. Solvent
c. Vehicle
d. None to these
Q. Jumper is a tool used for
a. Testing of stones
b. Quarrying of stones
c. Dressing of stones
d. None of the above