©THEBRIGHT EXAM SOLUTIONS
10/30/2024 11:32 PM
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
10/30/2024 11:32 PM
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
