Q.1) The colour of mineral in its powered form is known as –
A) Streak
B) Lusture
C) Texture
D) Structure
Option (A)
Q.2) Rocks having silica as main constituent are called –
A) Calcareous rocks
B) Argillaceous rocks
C) Silicious rocks
D) None of the above
Option (C)
Q.3) Stone used for railway ballast is –
A) Sandstone
B) Dolomite
C) Marble
D) Basalt or trap basalt
Option (D)
Q.4) The porosity of good building stone should not be less than –
A) 3%
B) 5%
C) 10%
D) 20%
Option (B)
Q.5) The tool used for quarrying of stones is –
A) Dipper
B) Spalling hammer
C) Jumper
D) Priming needle
Option (C)
Q.6) The red colour of brick is due to –
A) Iron oxide
B) Silica
C) Magnesia
D) Alumina
Option (A)
Q.7) The bricks used for lining of furnaces are –
A) Under burnt bricks
B) Over burnt bricks
C) Refractory bricks
D) None of the above
Option (C)
Q.8) Swelling of bricks is known as –
A) Bloating
B) Lamination
C) Chuffs
D) Efflorescence
Option (A)
Q.9) Plaster of Paris is obtained from the calcination of –
A) Bauxite
B) Limestone
C) Dolomite
D) Gypsum
Option (C)
Q.10) Stainless steel resists corrosion due to –
A) Carbon
B) Manganese
C) Chromium
D) Sulphur
Option (C)
Q.11) The decay of timber caused by alternate wetting and drying is called –
A) Dry rot
B) Wet rot
C) Foxiness
D) Doatiness
Option (B)
Q.12) Rusting can be prevented by applying coating of –
A) Red lead
B) White lead
C) Zinc oxide
D) Bitumen
Option (A)
Q.13) The base material for distemper is –
A) Lime
B) Chalk
C) Snowcem
D) Cement
Option (B)
Q.14) The roof having slope in all four directions is called –
A) Hip-pitch roof
B) Shed roof
C) Gambrel roof
D) North light roof
Option (A)
Q.15) Lower edge of the inclined roof surface is called –
A) Pitch
B) Eves
C) Cleat
D) Gable
Option (B)
Q.16) The joints provided in wooden floor are –
A) Tongue and Groove
B) Butt
C) Dove tail
D) Tee joint
Option (A)
Q.17) Broke bricks or stone chips are also called –
A) Brokomite
B) Scrap
C) Spall
D) Wastage
Option (C)
Q.18) The number of steps in a flight should not be less than –
A) 12
B) 3
C) 2
D) 5
Option (B)
Q.19) Dog legged stairs are –
A) Straight stair
B) Quarter turn stair
C) Half turn stair
D) Three fourth stair
Option (C)
Q.20) The percentage of carbon in steel is –
A) 0.1 – 0.2%
B) 0.15 – 1.5%
C) 1 – 3%
D) 2 – 4.5%
Option (B)
