Building Materials MCQs with Answers & Solutions — Page 3

Lime is a good alternative to cement forLime

Timber A has narrower annual rings and more compact medullar rays compared to timber B. Which timber is expected to be stronger and which is expected…Timber

Slaking of lime refers to_________Lime

The shrinkage of lime is small because of itsLime

Increase in fineness of cementCement

What is the primary objective of the tensile strength test on mortar?Mortar

What happens if bricks are laid upside down with the frog facing downward?Bricks

The standard size of brick (including mortar) should beBricks

Water absorption for Ist class bricks should not be more thanBricks

Which of the following flooring has least fire resistance?Building Construction

The range of Mohs scale of hardness isBuilding Stones

The property of a mineral by virtue of which it can be cut with a knife is calledBuilding Stones

Small fissures or hollows in a stone which renders it liable to decomposition are calledBuilding Stones

Surface of a stone perpendicular to the line of pressure is known asBuilding Stones

The approximate % of calcium oxide in fat lime isLime

The lime is called as poor lime when % of clay isLime

The weight of glass sheet used for panel should beGlass

The nominal thickness of glass available in market ranges in betweenGlass

Plastic materials that exhibit excellent fatigue resistance is/areComposite Materials

In mild steel carbon percentage ranges in betweenBuilding Construction

Tensile strength of Kevlar-29 fibre used in FRP isComposite Materials

Ceramics can easily withstand in high temperatures betweenComposite Materials

Density of Aluminium isComposite Materials

Specific Gravity of Fly Ash is in the range ofWaste Materials

Tensile strength of timber parallel to the fibres is in the range ofTimber

As per BIS 1077-1957, the minimum crushing strength of bricks should beBricks

Mortar used for construction work in waterlogged areas & exposed positions is of proportion (A) 280.Indentations on the bricks provided to form a key…Mortar

Semi circular or V shaped recess formed in board or piece of wood is termed asTimber

Vertical face of door or window opening which supports the frame is called asBuilding Construction

Following plastic material is used to make building floors less susceptible to wear & tearComposite Materials

Indentations on the bricks provided to form a key for holding the mortar is called asBricks

For heavy foundation works in massive structures, which stone is most preferred due to its high compressive strength and low water absorption?Building Stones

For underwater construction or damp environments, which type of lime should be selected?Lime

Soda-lime glass, the most common type used in windows and bottles, belongs to which family?Glass

The brittleness of glass is primarily due to itsGlass

Which property distinguishes thermoplastics from thermosetting plastics?Composite Materials

Fibre Reinforced Polymer (FRP) composites consist ofComposite Materials

Which mechanical property is characteristically high in ceramics compared to metals?Composite Materials

For exposed brickwork in regions with freeze-thaw cycles, which brick type is most suitable?Bricks

Based on geological classification, which of the following sequences correctly represents an igneous rock, a sedimentary rock and its corresponding…Building Stones

When testing the durability of building stones against weathering, the ‘crystallization test’ is performed using sodium sulphate. What specific…Building Stones

Which of the following statement(s) is/are true? (i) Hydraulic lime contains a significant proportion of clay impurities (silicates and aluminates).…Lime

During the preparation of lime mortar, the process of "slaking" is mandatory for quicklime (CaO). What is the primary physical hazard if under-slaked…Lime

In the context of building energy efficiency in a hot, tropical climate like Gujarat, a low ‘Solar Heat Gain Coefficient’ in architectural glass…Glass

Structural plastics subjected to continuous, sustained loads over a long period are highly susceptible to a phenomenon where deformation increases…Composite Materials

Which of the following statement(s) is/are true? (i) Anisotropy is the property of a material or substance to exhibit different physical properties…Composite Materials

Advanced structural ceramics (like alumina or silicon carbide) possess exceptional compressive strength, hardness and thermal resistance. However,…Composite Materials

Aluminum naturally develops a thin, microscopic film of aluminum oxide when exposed to air which provides its natural corrosion resistance. What is…Composite Materials

Which of the following statement(s) is/are true regarding Portland Pozzolana Cement (PPC)? (i) It has better resistance to sulphate attack than…Cement

Which of the following best explains why lime mortar is preferred in restoration of historic structures compared to cement mortar?Mortar