Practice Test: Question Set - 03
1. 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
2. Jumper is a tool used for
- (A) Testing of stones
- (B) Quarrying of stones
- (C) Dressing of stones
- (D) None of the above
3. Pick up the volcanic rock from the following:
- (A) Granite
- (B) Dolerite
- (C) Basalt
- (D) All
the above
4. Sapwood consists of
- (A) Innermost annular rings around the pith
- (B) Portion of timber between heartwood and cambium
layer
- (C) Thin layers below the bark
- (D) Thin fibre which extends from the pith outwards and
holds the annular rings together
5. Strength of cement concrete primarily depends upon
- (A) Quality
of water
- (B) Quantity
of aggregate
- (C) Quantity
of cement
- (D) Water-cement
ratio
6. The main function of alumina in brick earth is
- (A) To impart plasticity
- (B) To make the brick durable
- (C) To prevent shrinkage
- (D) To make the brick impermeable
7. Cast iron
- (A) Is
obtained by purifying pig iron
- (B) Is
manufactured in required shapes
- (C) May
contain 2 to 5 per cent of carbon with other impurities
- (D) All
the above
8. Which of the following pairs gives a correct combination of the useful and harmful constituents respectively of a good brick earth?
- (A) Lime stone and alumina
- (B) Silica and alkalies
- (C) Alumina and iron
- (D) Alkalies and magnesium
9. Pick up the correct statement from the following:
- (A) The
distinct plane of division along which a stone can easily be split, is called
natural bed of stone
- (B) The
natural bed of sedimentary rocks is along the planes of stratification
- (C) The natural
bed of igneous rocks is not defined
- (D) All
the above
10. Hydraulic lime is obtained by
- (A) Burning of lime stone
- (B) Burning of kankar
- (C) Adding water to quick lime
- (D) Calcination of pure clay
11. Oil varnish generally consists of
- (A) Synthetic
resin and spirit
- (B) Oil,
wax and resin
- (C) Resin,
oil and turpentine
- (D) Spirit,
oil and wax
12. For testing compressive strength of cement, the size of cube used is
- (A) 50 mm
- (B) 70.6 mm
- (C) 100 mm
- (D) 150 mm
13. When a brick is immersed in water for 24 hours and then dried, if
- (A) No
grey or white deposits appear on the surface, the brick is free from soluble
salts
- (B) 10
percent surface is covered with grey or white deposits, the brick has slight
efflorescence
- (C) 50
percent surface is covered with grey or white deposits, the brick has serious
efflorescence
- (D) All
the above
14. Gypsum consists of
- (A) H₂S and CO₂
- (B) CaSO4 and H₂O
- (C) Lime and H₂O
- (D) CO₂ and calcium
15. For sanitary pipes and chemical stonewares,
- (A) Salt glazing
is used
- (B) Lead
glazing is used
- (C) Opaque
glazing is used
- (D) None
of these
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