Practice Test: Question Set - 26
1. Brittleness of cold is due to an excess of
- (A) Sulphur
- (B) Carbon
- (C) Phosphorus
- (D) Silicon
2. Asbestos cement
- (A) Is
brittle
- (B) Warps
due to changes in humidity
- (C) Strength
is lowered when saturated by water
- (D) All
of the above
3. Gneiss is obtained from
- (A) Igneous
rocks
- (B) Metamorphic
rocks
- (C) Sedimentary
rocks
- (D) Sedimentary
metamorphic rocks
4. Fibre glass
- (A) Retains
heat-longer
- (B) Has a higher
strength to weight ratio
- (C) Is shock
proof and fire retardant
- (D) All the
above
5. Pick up the correct statement from the following:
- (A) The
theory of formation of concrete is based on the phenomena of formation of voids
- (B) The
bulking of sand is taken into account while volumetric proportioning of the
aggregates
- (C) The
dry sand and the sand completely flooded with water, have practically the same
volume
- (D) All the
above
6. The commonly used color pigment in paints, is
- (A) Ambers
- (B) Carbon black
- (C) Iron
oxide
- (D) All the
above
7. The variety of pig iron used for the manufacture of steel by Bessemer process, is
- (A) Bessemer pig
- (B) Grey pig
- (C) White forge
pig
- (D) Mottled pig
8. Vanadium steel is generally used for
- (A) Railway
switches and crossing
- (B) Bearing
balls
- (C) Magnets
- (D) Axles
and springs
9. A badly mixed cement concrete results in
- (A) Segregation
- (B) Bleeding
- (C) Honey
combing
- (D) None of
these
10. Chemically, marble is known as
- (A) Metamorphic
rock
- (B) Argillaceous
rock
- (C) Calcareous
rock
- (D) Siliceous
rock
11. The filler used in plastic bitumen, is
- (A) Shale
powder
- (B) Talc
powder
- (C) Asbestos
powder
- (D) Plastic
powder
12. Mastic asphalt is generally used for
- (A) Damp proof
course
- (B) Water proof
layer
- (C) Partition
walls
- (D) Both (A) and
(B)
13. The most fire resistant paints are:
- (A) Enamel
paints
- (B) Aluminium
paints
- (C) Asbestos
paints
- (D) Cement
paints
14. A pug mill is used for
- (A) Softening
brick earth
- (B) Moulding
brick earth
- (C) Tempering
brick earth
- (D) Providing
brick earth
15. A good brick earth should contain:
- (A) About 20% to
30% of alumina
- (B) About 50% to
60% of silica
- (C) Not more
than 5% of lime
- (D) All the
above
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