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Practice Test: Question Set - 06

1. A queen closer is a
    (A) Brick laid with its length parallel to the face or direction of wall
    (B) Brick laid with its breadth parallel to the face or direction of wall
    (C) Brick having the same length and depth as the other bricks but half the breadth
    (D) Brick with half the width at one end and full width at the other

2. The percentage of alumina and silica in good fire clay vary respectively is
    (A) 25, 75
    (B) 30, 70
    (C) 35, 65
    (D) All of these

3. The proportions of lime and sand in the mortar normally used in brick construction are
    (A) 1 : 2
    (B) 1 : 4
    (C) 1 : 6
    (D) 1 : 8

4. Index number expressing the relative sizes of both coarse and fine aggregates, is called
    (A) Proportioning of aggregates
    (B) Fineness modulus
    (C) Grading of aggregates
    (D) None of these

5. Which of the following sedimentary rocks changes into quartzite by metamorphic action?
    (A) Sand stone
    (B) Lime stone
    (C) Shale
    (D) Gypsum

6. Lime putty
    (A) Is made from hydraulic lime
    (B) Is made by adding lime to water
    (C) Can be used only upto three days
    (D) All of above

7. The stone suitable for rubble masonry should be.
    (A) Hard
    (B) Tough
    (C) Heavy
    (D) Light

8. Pick up the correct statement from the following:
    (A) Air bubbles in casting produce a dull sound by tapping their surfaces lightly with a hammer
    (B) Cupola furnace is used for the manufacture of cast iron
    (C) Red short iron is of no value for welding purpose
    (D) All the above

9. Spalling hammer is used for
    (A) Driving wooden headed chisels
    (B) Rough dressing of stones
    (C) Carving of stones
    (D) Breaking small projection of stones

10. Bullet proof glass is made of thick glass sheet sandwiched by a layer of
    (A) Steel
    (B) Stainless steel
    (C) High test plastic
    (D) Chromium plate

11. Plywood is made by bonding together thin layers of wood in such a way that the angle between grains of any layer to grains of adjacent layers is
    (A) 0°
    (B) 30°
    (C) 45°
    (D) 90°

12. According to IS 399-1963, the weight of the timber is specified at
    (A) 8% moisture content
    (B) 10% moisture content
    (C) 12% moisture content
    (D) 14% moisture content

13. The internal size of mould used in brick preparation is
    (A) Equal to the size of a fully burnt brick
    (B) Smaller than the size of a fully burnt brick
    (C) Greater than the size of a fully burnt brick
    (D) None of the above

14. Pick up the correct statement from the following:
    (A) The free quartz suddenly expands at a temperature lower than 600°C
    (B) The lime stone resists fire upto about 800°C and at higher temperature it splits into CaO and CO2
    (C) The sand stone with silicates resist a fire in a better way
    (D) All the above

15. Quick lime is
    (A) Calcium carbonate
    (B) Calcium oxide
    (C) Calcium hydroxide
    (D) None of the above

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