Timber Set 2

Civil Engineering

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This set of Basics of Civil Engineering Multiple Choice Questions & Answers (MCQs) focuses on Timber Set 2

Q1 | The minimum strength of brick required for building wall is
  • 7.5 N/mm2
  • 5.0 N/mm2
  • 3.5 N/mm2
  • 2.5 N/mm2
Answer: 3.5 N/mm2
Q2 | To check the size of brick number of bricks to be kept side by side is
  • 30
  • 20
  • 10
  • 5
Answer: 20
Q3 | The bricks which may be used to build wall but to be provided with plaster are
  • Ist Class
  • IInd Class
  • IIIrd Class
  • IVth Class
Answer: IInd Class
Q4 | The compressive strength of high duty bricks should be more than
  • 40 N/mm2
  • 20 N/mm2
  • 5 N/mm2
  • 3.5 N/mm2
Answer: 40 N/mm2
Q5 | Thickness of web of hollow bricks should not be less than
  • 20 mm
  • 16 mm
  • 12 mm
  • 8 mm
Answer: 8 mm
Q6 | Compressive strength of paving bricks should not be less than
  • 40 N/mm2
  • 30 N/mm2
  • 20 N/mm2
  • 40 N/mm2
Answer: 40 N/mm2
Answer: 40 N/mm2
Q7 | Field test for strength of good bricks is to drop it from a height of ______ and they shouldnot break
  • 1.2 m
  • 1.0 m
  • 0.7 m
  • 0.75 m
Answer: 1.0 m
Q8 | For making stabilized soil brick the soil is stabilized with
  • sand
  • coal
  • cement
  • salt
Answer: cement
Q9 | Refractory bricks resist
  • high temperature
  • chemical action
  • action of frost
  • all of the above
Answer: high temperature
Q10 | In case of round tiles, under-tiles are used with their narrow ends
  • towards eve
  • towards ridge
  • towards valley
  • in any one fashion
Answer: towards eve
Q11 | Maximum water absorption permitted on class AA type Mangalore tiles is
  • 13%
  • 15%
  • 17%
  • 19%
Answer: 19%
Q12 | Which of the following statement is wrong?
  • Pan tiles are similar to half round tiles but less curved
  • Pan tiles are weaker than half round tiles
  • Allahabad tiles are interlocking tiles
  • Mangalore tiles are also interlocking tiles
Answer: Pan tiles are weaker than half round tiles
Q13 | Terracotta means
  • insulated
  • fit for sanitary services
  • good for ornamental work
  • baked earth
Answer: baked earth
Q14 | Water absorption of vitrified tiles is not more than
  • 0.50%
  • 1.00%
  • 2.00%
  • 5.00%
Answer: 0.50%
Q15 | To make terracotta porous, the following is mixed with clay before burning.
  • lime
  • silica
  • sawdust
  • none of the above
Answer: sawdust
Q16 | By calcining and smelting iron ores, a crude and impure form of iron obtained is knownas
  • cast iron
  • wrought iron
  • steel
  • pig iron
Answer: pig iron
Q17 | The colour of cast iron is
  • grey
  • white
  • both grey and white
  • none of the above
Answer: both grey and white
Q18 | The compressive and tensile strength of cast iron are
  • 700 N/m2 and 150 N/mm2
  • 600 N/mm2 and 400 N/mm2
  • 415 N/mm2 and 415 N/mm2
  • 400 N/mm2 and 600 N/mm2
Answer: 700 N/m2 and 150 N/mm2
Q19 | For making spiral staircases, ideal material is
  • pig iron
  • cast iron
  • wrought iron
  • steel
Answer: cast iron
Q20 | Purest form of iron is
  • pig iron
  • cast iron
  • wrought iron
  • steel
Answer: wrought iron
Q21 | Carbon content in wrought iron is
  • 0.15%
  • 0.25 to 1.5%
  • 2 to 4%
  • more than 4%
Answer: 0.15%
Q22 | The ratio of tensile strength to compressive strength of steel is
  • less than 1
  • equal to 1
  • more than 1
  • nothing can be said definitely
Answer: equal to 1
Q23 | Ribs are made on steel wires to increase
  • strength is compression
  • strength is tension
  • bond strength
  • fatigue quality
Answer: bond strength
Q24 | The property of metal enabling it to be drawn into thin weir is known as
  • malleability
  • ductility
  • toughness
  • plasticity
Answer: ductility
Q25 | Non-ferrous Materials
  • Market form of copper is/are
  • ingots
  • sheets
  • tubes
Answer: tubes
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