Practice Test: Question Set - 25
1. Pick up the correct statement from the following:
- (A) Hornblende
mineral is brittle
- (B) Muscovite
is also known as white mica and potash mica
- (C) Biotite is
also known as black-mica
- (D) All the
above
2. Good quality sand is never obtained from
- (A) River
- (B) Lake
- (C) Sea
- (D) Gravel
powder
3. Lime mortar is generally made with
- (A) Quick lime
- (B) Fat lime
- (C) Hydraulic
lime
- (D) Plain lime
4. Pick up the compound responsible for early strength of cement from the following:
- (A) Tetra-calcium
alumino-ferrite
- (B) Tri-calcium
silicate
- (C) Tri-calcium
aluminate
- (D) Di-calcium
silicate
5. Linseed oil is used in paints as
- (A) Thinner
- (B) Vehicle
- (C) Base
- (D) Drier
6. Asphalt is obtained from
- (A) Petroleum
distillation
- (B) Bitumen
distillation
- (C) Plastic
distillation
- (D) None of
these
7. Percentage content of silica in window glass, is
- (A) 40 to 45
- (B) 50 to 55
- (C) 60 to 65
- (D) 70 to 75
8. Most commonly used solvent in oil paints, is
- (A) Petroleum
- (B) Spirit
- (C) Coal tar
- (D) Turpentine
9. The harmonious mixing of the clay ingredients, is known as
- (A) Weathering
- (B) Blending
- (C) Tempering
- (D) None of these
10. Bitumen felt
- (A) Is
used as water proofing material
- (B) Is
used as damp proofing material
- (C) Is
made from bitumen and hessian fibres
- (D) All the
above
11. The initial setting time of lime-pozzolana, is
- (A) 30
minutes
- (B) 60
minutes
- (C) 90
minutes
- (D) 120
minutes
12. The clay to be used for manufacturing bricks for a large project, is dugout and allowed to weather throughout
- (A) The
monsoon
- (B) The
winter
- (C) The
summer
- (D) None
of these
13. If the furnace is provided with insufficient fuel at low temperatures, the type of pig iron produced, is called
- (A) Bessemer pig
- (B) Grey or
foundry pig
- (C) White or
forge pig
- (D) Mottled pig
14. Depending on the chemical composition and mechanical properties, iron may be classified as
- (A) Cast
iron
- (B) Wrought iron
- (C) Steel
- (D) All
the above
15. The main constituent of fly-ash, is
- (A) Aluminium
oxide
- (B) Silica
- (C) Ferrous
oxide
- (D) All of these
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