By what is natural draught produced?
A) air duct
B) chimney
C) locomotive exhaust
D) air blower
Correct Answer:
Verified
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
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
Q12: What is installed to transfer air into
Q13: Where is blower installed in induced draught
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