Lakshya Education MCQs

Question: Water and sediment in fuel oil can be removed by
Options:
A.Heating the oil in the settling tanks
B.Cooling the oil in the settling tanks
C.Burning the oil
D.Suspension
Answer: Option A

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More Questions on This Topic :

Question 1. The bituminous coal is no caking if its carbon content is
  1.    78-81%
  2.    81-85%
  3.    85-90%
  4.    90-95%
Answer: Option A
Question 2. The number of flue tubes in Lancashire boiler is
  1.    Zero
  2.    One
  3.    Two
  4.    Four
Answer: Option C
Question 3. Lancashire boiler is
  1.    Stationary fire tube boiler
  2.    Internally fired boiler
  3.    Horizontal boiler
  4.    All of these
Answer: Option D
Question 4. While steam expands in turbines, theoretically the entropy
  1.    Remains constant
  2.    Increases
  3.    Decreases
  4.    Behaves unpredictably
Answer: Option A
Question 5. Film boiling occurs at
  1.    Very low pressure
  2.    Atmospheric pressures
  3.    Medium pressures
  4.    Very high pressures
Answer: Option D
Question 6. The factor of evaporation for all boilers is always
  1.    Equal to unity
  2.    Less than unity
  3.    Greater than unity
  4.    None of these
Answer: Option C

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