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Total Questions : 1424 | Page 139 of 143 pages
Question 1381. Name the type of cement from the following for canal linings:
  1.    Rapid hardening cement
  2.    Quick setting cement
  3.    Sulphate resisting cement
  4.    Pozzolana cement
 Discuss Question
Answer: Option C. -> Sulphate resisting cement
Question 1382. A volatile substance added to a paint to make its application easy and smooth, is known as
  1.    Vehicle
  2.    None to these
  3.    Solvent
  4.    Base
 Discuss Question
Answer: Option C. -> Solvent
Question 1383. Apiece of sawn timber whose cross-sectional dimensions exceed 5 cm, in one direction and 20 cm in the other direction, is called a
  1.    Deal
  2.    Cant
  3.    Baulk
  4.    Strip
 Discuss Question
Answer: Option C. -> Baulk
Question 1384. After storage, the strength of cement
  1.    May increase or decrease
  2.    Decreases
  3.    Remains same
  4.    Increases
 Discuss Question
Answer: Option B. -> Decreases
Question 1385. The compound of Portland cement which contributes to the strength after two to three years is
  1.    Tetra-calcium alumino ferrite
  2.    Tri-calcium aluminate
  3.    Tri-calcium silicate
  4.    Di-calcium silicate
 Discuss Question
Answer: Option D. -> Di-calcium silicate
Question 1386. Study the following statements. (i) Hydraulic lime is suitable for white washing, (ii) Fat lime is suitable for whitewashing, (iii) Hydraulic lime is suitable for making mortar, (iv) Fat lime is suitable for making mortar.
  1.    (iii) and (iv)
  2.    (i) and (ii)
  3.    (ii) and (iii)
  4.    (i) and (iv)
 Discuss Question
Answer: Option C. -> (ii) and (iii)
Question 1387. Bitumen emulsion is
  1.    A paint
  2.    All listed here
  3.    Used as anti-corrosive paint
  4.    A liquid containing bitumen in suspension
 Discuss Question
Answer: Option B. -> All listed here
Question 1388. The steel used for the manufacture of rails, is
  1.    Cast steel
  2.    Mild steel
  3.    Bessemer steel
  4.    Stainless steel
 Discuss Question
Answer: Option C. -> Bessemer steel
Question 1389. The process of manufacturing steel by heating short lengths of wrought iron bars mixed with charcoal in fire clay crucibles and collecting the molten iron into moulds, is known as
  1.    Bessemer process
  2.    Open hearth process
  3.    Crucible process
  4.    Cementation process
 Discuss Question
Answer: Option C. -> Crucible process
Question 1390. The rocks which are formed due to cooling of magma at a relatively shallow depth from the earth's surface are called
  1.    Volcanic rocks
  2.    Igneous rocks
  3.    Hypabyssal rocks
  4.    Plutonic rocks
 Discuss Question
Answer: Option C. -> Hypabyssal rocks

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