Why are salts deposited on the evaporator drum?
A) due to continuous circulation of water
B) due to usage of hard water containing calcium content
C) due to circulation of impure water
D) due to the chemicals added in water
Correct Answer:
Verified
Q2: What is feature of the Loffler boilers?
A)evaporating
Q3: What is the major difficulty of the
Q4: Which is the most recent economical method
Q5: Which of the following boilers has the
Q6: Why boiler draught is most essential part
Q7: Which is the correct formula of total
Q8: By what is natural draught produced?
A)air duct
B)chimney
C)locomotive
Q9: Which of the following given below as
Q10: When is artificial draught preferred?
A)when quick evacuation
Q11: Artificial draught is also called as _
A)force
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