treatment Exam Questions And CORRECT
Answers
The boiler operators must be familiar with the __________ for starting up the standby
feedwater pump and stopping the in-service pump.
Select one:
a.
Procedure
b.
Schedule
c.
Boiler
d.
Deaerator - CORRECT ANSWERS A. Procedure
If the water column is fitted with high and low water alarms, then their operation is checked at
regular intervals.
Select one:
True
False - CORRECT ANSWERS A. True
,In order to avoid scale formation and corrosion in the _____, the make-up water for the
feedwater supply must be properly treated.
Select one:
a.
Deaerator
b.
Boiler
c.
Furnace
d.
Tank - CORRECT ANSWERS B. Boiler
The dampers and air registers are checked for ________ and to ensure they move freely.
Select one:
a.
Holes
b.
Dust
c.
,Warpage
d.
Design - CORRECT ANSWERS C. Warpage
Furnace explosions occur when an accumulation of combustible gases ignite and explode within
the furnace or gas passes of the boiler
Select one:
True
False - CORRECT ANSWERS A. True
The operator should make a general inspection of the entire plant every _____ hours.
Select one:
a.
Two
b.
Three
c.
Four
d.
Six - CORRECT ANSWERS A. Two
, Chemical cleaning involves washing the boiler internal surfaces with ___________ and then
flushing with clean water.
Select one:
a.
Varsol
b.
A caustic solution
c.
Brine
d.
An acidic solution - CORRECT ANSWERS D. Am acidic solution
When the pressure in the boiler steam drum drops to ____ kPa, the drum vents are to be
opened to avoid the formation of a vacuum within the boiler.
Select one:
a.
170
b.
500