Power Engineering 30L Unit 12 test Exam Questions And Answers 100% Pass
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Course
Power Engineering
Institution
Power Engineering
Power Engineering 30L Unit 12 test Exam
Questions And Answers 100% Pass
In order to prevent the contamination of a potable water supply the method of a device that
consists of two independently acting check valves with an automatic operating pressure
differential relief valve located between is...
Power Engineering 30L Unit 12 test Exam
Questions And Answers 100% Pass
In order to prevent the contamination of a potable water supply the method of a device that
consists of two independently acting check valves with an automatic operating pressure
differential relief valve located between is the: - answer✔Reduced pressure principal device
The water treatment methods used to counteract the impurities that pertain mostly to the
dissolved solids is the _____ method. - answer✔Chemical
An example of soft water would have a range of hardness to be expected in ppm of: -
answer✔15 to 60
The backwash cycle of a, sodium zeolite softener regeneration will: - answer✔Loosen or
separate and flush the bed of trapped suspended matter
Suspended solids if allowed to enter the boiler will: - answer✔Settle in lower areas interfering
with proper heat transfer and circulation
Customarily, a boiler chemical blending or mixing tank is sized for a _____ hour period. -
answer✔Twenty-four
The pH test on boiler water is conducted using the _____ method. - answer✔Meter
When using a meter to conduct a pH water test, the meter used would: - answer✔Be, in effect,
a voltmeter
Large facilities will have a lab on site to carry out the water testing by conducting all of the
following tests except: - answer✔Taste
Shot feeding involves the injection of boiler water treatment chemicals over a: -
answer✔Relatively short period of time
A sodium zeolite water softener causes: - answer✔Elements, associated with a radical, to be
removed and replaced with elemental sodium
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