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Total Questions : 1424 | Page 140 of 143 pages
Question 1391. The most durable varnish is
  1.    Water varnish
  2.    Oil varnish
  3.    Spirit varnish
  4.    Turpentine varnish
 Discuss Question
Answer: Option B. -> Oil varnish
Question 1392. The rocks which are formed due to cooling of magma at a considerable depth from earth's surface are called
  1.    Volcanic rocks
  2.    Hypabyssal rocks
  3.    Igneous rocks
  4.    Plutonic rocks
 Discuss Question
Answer: Option D. -> Plutonic rocks
Question 1393. The pigment used in paints for corrosive resistance, is
  1.    Red lead
  2.    Ferrous oxide
  3.    Zinc white
  4.    White lead
 Discuss Question
Answer: Option A. -> Red lead
Question 1394. Turpentine oil is used in paints as
  1.    Drier
  2.    Base
  3.    Thinner
  4.    Vehicle
 Discuss Question
Answer: Option C. -> Thinner
Question 1395. The rocks which are formed due to pouring of magma at the earth's surface are called
  1.    Hypabyssal rocks
  2.    Volcanic rocks
  3.    Igneous rocks
  4.    Plutonic rocks
 Discuss Question
Answer: Option B. -> Volcanic rocks
Question 1396. The type of steel used for precision levelling staff, is
  1.    Stainless steel
  2.    Carbon steel
  3.    Invar
  4.    Titanium steel
 Discuss Question
Answer: Option C. -> Invar
Question 1397. Linseed oil is used in paints as
  1.    Base
  2.    Thinner
  3.    Vehicle
  4.    Drier
 Discuss Question
Answer: Option C. -> Vehicle
Question 1398. The commonly used lime in white washing, is
  1.    Fat lime
  2.    Hydraulic lime
  3.    White lime
  4.    Quick lime
 Discuss Question
Answer: Option A. -> Fat lime
Question 1399. A 1st class brick immersed in water for 24 hours, should not absorb water (by weight) more than
  1.    15 %
  2.    25 %
  3.    10 %
  4.    20 %
 Discuss Question
Answer: Option D. -> 20 %
Question 1400. Good quality sand is never obtained from
  1.    Gravel powder
  2.    Lake
  3.    Sea
  4.    River
 Discuss Question
Answer: Option C. -> Sea

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