Civil engineering MCQ on Building Materials

Civil engineering MCQs on building materials with explanation | Basic civil engineering interview questions which were asked in various construction companies and government PWD, GATE, PSU civil engineering jobs interviews. Also get these civil engineering interview questions and answers pdf for free.

41. Pick up the hypabyssal rock from the following:

  1. Granite

  2. Dolerite

  3. Basalt

  4. All the above

2. Dolerite

42. Stainless steel contains

  1. 18% of chromium and 8% nickel

  2. 8% of chromium and 18% of nickel

  3. 12% of chromium and 36% of nickel

  4. 36% of chromium and 12% of nickel

1. 18% of chromium and 8% nickel

43. If the furnace is provided with insufficient fuel at low temperatures, the type of pig iron produced, is called

  1. Bessemer pig

  2. Grey or foundry pig

  3. White or forge pig

  4. Mottled pig

3. White or forge pig

44. Sand stone is

  1. Sedimentary rock

  2. Metamorphic rock

  3. Igneous rock

  4. Volcanic rock

1. Sedimentary rock

45. The variety of pig iron used for manufacture of wrought iron, is

  1. Bessemer pig

  2. Grey or foundry pig

  3. White forge pig

  4. Mottled pig

3. White forge pig

46. Quartzite is a

  1. Metamorphic rock

  2. Argillaceous rock

  3. Calcareous rock

  4. Silicious rock

4. siliceous rock

47. The rocks which are formed due to cooling of magma at a considerable depth from earth's surface are called

  1. Plutonic rocks

  2. Hypabyssal rocks

  3. Volcanic rocks

  4. Igneous rocks

1. Plutonic rocks

48. The clay to be used for manufacturing bricks for a large project, is dugout and allowed to weather throughout

  1. the monsoon

  2. the winter

  3. the summer

  4. none of these

1. The monsoon

49. The initial setting time of lime-pozzolana, is

  1. 30 minutes

  2. 60 minutes

  3. 90 minutes

  4. 120 minutes

4. 120 minutes

50. In the cement the compound quickest to react with water, is

  1. Tricalcium aluminate

  2. Tetra-calcium alumino-ferrite

  3. Tricalcium silicate

  4. Dicalcium silicate.

1. Tricalcium aluminate



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