Rajasthan Technical Education Second Year Paper 2016 – Construction Materials and Equipment

Rajasthan Technical Education Second Year Paper 2016 – Construction Materials and Equipments

Which of the following is a igneous rocks ?
(a) Sand stone
(b) Marble
(c) Basalt
(d) Genies

The standard size of a brick as per IS is
(a) 200 x 100 x 100 mm
(b) 195 x 95 x 95 mm
(c) 190 x 90 x 90 mm
(d) 200 x 90 x 90 mm

In the chemical composition of a brick making soil, the quantity of Silica (SiO2) is
(a) more than 10%
(b) more than 20%
(c) more than 60%
(d) more than 98%

What is formed when water is added to lime ?
(a) Ca(OH)2
(b) Ca2(OH)
(c) Ca(OH)
(d) Ca(OH)3

Soundness test of lime is done by
(a) Adding HCl acid
(b) Lateral strength test
(c) Le-Chatelier mould
(d) Vicat’s mould

Which one of the following is NOT a constituents of cement ?
(a) C2S
(b) C3S
(c) C2A
(d) C3A

The ratio of cement mortar far birck masonry is
(a) 1 : 6
(b) 1 : 16
(c) 1 : 24
(d) 1 : 30

The innermost part of a timber is known as
(a) Heart wood
(b) Sap wood
(c) Bark
(d) Medulla

Which of the following defect in timber is NOT developed during the growth of tree ?
(a) Star shake
(b) heart shake
(c) Up-sets
(d) Case-Hardening

Pig Iron is extracted in
(a) Blast furnace
(b) Cupola furnace
(c) Reverberatory furnace
(d) Bessimer converter furnace

Which one is NOT a iron ore ?
(a) Hematite
(b) Limonite
(c) Bauxite
(d) Magnetite

Specific gravity of aluminium is
(a) 2.6 – 2.7
(b) 8.9 – 9.0
(c) 1.0
(d) 11.36

On corrosion of metals, the volume is
(a) remain same
(b) decreased
(c) first decreased, then increased
(d) increased

What is mixed in glass to manufacture foamed glass ?
(a) Sluphur
(b) Carbon
(c) Quartz
(d) Celluloid

Which one is NOT a type of glass ?
(a) Potash-Lime glass
(b) Potash-Lead glass
(c) Sosa-Sulphur glass
(d) Soda lime glass