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MCQs

Total Questions : 1622 | Page 157 of 163 pages
Question 1561. Liquefied petroleum Gas (LPG) used for the household cooking comprises mainly of _______________?
  1.    Propane & butane
  2.    Butane & ethane
  3.    Methane & ethane
  4.    Methane & carbon monoxide
 Discuss Question
Answer: Option A. -> Propane & butane
NO EXPLANATION IS AVAILABLE FOR THIS QUESTION!
Question 1562. Smoke point of kerosene expresses its__________________?
  1.    Burning characteristics
  2.    Luminosity characteristics
  3.    Aromatic content directly
  4.    Lamp wick wetting characteristics
 Discuss Question
Answer: Option A. -> Burning characteristics
NO EXPLANATION IS AVAILABLE FOR THIS QUESTION!
Question 1563. Diesel index is defined as_________________?
  1.    (°API) × (Aniline Point, °F)/100
  2.    (°API) × (Aniline Point, °C)/100
  3.    (°API) × (100)/Aniline Point, °F
  4.    (°API) × (100)/Aniline Point, °C
 Discuss Question
Answer: Option A. -> (°API) × (Aniline Point, °F)/100
NO EXPLANATION IS AVAILABLE FOR THIS QUESTION!
Question 1564. Carbon/hydrogen ratio (by weight) is maximum (out of following) for_________________?
  1.    Gasoline
  2.    Kerosene
  3.    Light gas oil
  4.    Heavy fuel oil
 Discuss Question
Answer: Option A. -> Gasoline
NO EXPLANATION IS AVAILABLE FOR THIS QUESTION!
Question 1565. Stabilisation of gasoline (petrol) means ___________________?
  1.    Removal of dissolved gases from it
  2.    Increasing its oxidation stability
  3.    Improving its lead susceptibility
  4.    Increasing its vapour pressure
 Discuss Question
Answer: Option A. -> Removal of dissolved gases from it
NO EXPLANATION IS AVAILABLE FOR THIS QUESTION!
Question 1566. Naphthenic acid is represented by ___________________?
  1.    CnH2n+2O2
  2.    CnH2n-2O2
  3.    CnH2n+2O2 (n ≥ 6)
  4.    CnH2n+6O2 (n ≤ 6)
 Discuss Question
Answer: Option B. -> CnH2n-2O2
NO EXPLANATION IS AVAILABLE FOR THIS QUESTION!
Question 1567. Catalytic desulphurisation process used for sweetening of straight run gasoline and kerosene uses _______________ as catalyst?
  1.    Bauxite
  2.    Fuller’s earth
  3.    Activated clay
  4.    All A., B. & C.
 Discuss Question
Answer: Option D. -> All A., B. & C.
NO EXPLANATION IS AVAILABLE FOR THIS QUESTION!
Question 1568. In catalytic cracking process, olefins crack ______________ times faster than in thermal cracking process?
  1.    100
  2.    200-300
  3.    1000-10000
  4.    10
 Discuss Question
Answer: Option C. -> 1000-10000
NO EXPLANATION IS AVAILABLE FOR THIS QUESTION!
Question 1569. Which of the following processes in oil refinery does not employ „cracking‟?
  1.    Coking
  2.    Visbreaking
  3.    Pyrolysis
  4.    None of these
 Discuss Question
Answer: Option D. -> None of these
NO EXPLANATION IS AVAILABLE FOR THIS QUESTION!
Question 1570. ______________ test is done to find out the softening point of bitumen?
  1.    Impact
  2.    Ball and ring
  3.    Flame
  4.    Viscosity
 Discuss Question
Answer: Option B. -> Ball and ring
NO EXPLANATION IS AVAILABLE FOR THIS QUESTION!

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