Lakshya Education MCQs

Question: 1 kgf/cm² is equal to
Options:
A. 760 mm Hg
B. Zero mm Hg
C. 735.6 mm Hg
D. 1 mm Hg
Answer: Option C

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More Questions on This Topic :

Question 1. Work done is zero for the following process
  1.     Constant volume
  2.     Free expansion
  3.     Throttling
  4.     All of the above
Answer: Option D
Question 2. On weight basis, air contains following parts of oxygen
  1.     21
  2.     23
  3.     25
  4.     73
Answer: Option B
Question 3. The fuel mostly used in blast furnace for extracting pig iron from iron ores is
  1.     Hard coke
  2.     Soft coke
  3.     Pulverized coal
  4.     Bituminous coal
Answer: Option A
Question 4. One kg of ethylene (c2h4) requires 2 kg of oxygen and produces 22/7 kg of carbon dioxide and __________ kg of water or steam.
  1.     9/7
  2.     11/7
  3.     7/4
  4.     11/4
Answer: Option A
Question 5. On weight basis, air contains following parts of oxygen
  1.     21
  2.     23
  3.     25
  4.     73
Answer: Option B
Question 6. Work done is zero for the following process
  1.     Constant volume
  2.     Free expansion
  3.     Throttling
  4.     All of the above
Answer: Option D

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