A centrifugal Study guides, Class notes & Summaries
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Fdny A35 Exam Questions and Answers 100% Pass
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Fdny A35 Exam Questions and Answers 100% Pass 
What are air compressors used to power? -Answer-Industrial equipment and 
construction tools 
What pressure compressor require a certificate holder to operate? -Answer-100+ psi 
What are two examples of tools air compressors power? -Answer-Pneumatic wrenches 
and air lifts in automobile repair shops 
What are the 4 types of air compressors? -Answer-Reciprocating, centrifugal, rotary, 
and solar 
How can air compressors be powered? -Answer-Electric m...
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ASD Exam Questions With 100% Correct Answers 2023
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ASD Exam Questions With 100% Correct Answers 2023 
Category 1 - Correct Answer-Category of Water that originates from sanitary water source (Clean) 
 
Catetroy 2 - Correct Answer-Category of Water that is contaminated; may cause discomfort or sickness (Grey) 
 
Category 3 - Correct Answer-Category of Water that is grossly contaminated; includes toxins, pathogens 
 
Special Situation - Correct Answer-Regulated or hazardous materials 
 
Class 1 - Correct Answer-Class of water that has least amount...
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Becc Test 5 Questions and Correct Answers, Complete Verified Solution, 2024.
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Becc Test 5 Questions and Correct Answers, Complete Verified Solution, 2024. 
 
A fixed volume of liquid is discharged by a centrifugal pump (TRUE/FALSE) 
False 
Which centrifugal pump component prevents reverse flowof liquid through the pump? 
Check valve 
What is used to move fluid from one location to another? 
Pump 
What centrifugal pump component rotates and causes centrifugal force to act on the fluid ? 
Impeller 
What centrifugal pump component prevents over heating of the pump? 
Recircul...
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Texas Wastewater Class A | 200 Questions with 100% Correct Answers | Verified | Latest Update 2024
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Seeding of BOD samples is necessary when samples - (All of the above) have a chlorine residual, have 
a previously been chlorinated, have been subjected to high temperatures, contain high or low pH 
industrial wastes 
When is blue-green algae the most dominant on a pond treatment system? - Summer 
A 30-inch diameter wastewater interceptor is observed to be flowing half-full at about two fps. The 
approximate volume of wastewater flowing through the pipe is 3.14x1.25 x 1.25 x 2 = 4.9 cfs x 449 = ...
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Wastewater Practice Test (Florida) English Exam Questions And Answers
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Wastewater Practice Test (Florida) English Exam Questions And Answers 
 
 
According to FDEP chapter 62-600.440 (4) (b) FAC, basic level disinfection is described as: - ANS A chlorine residual of 0.5 mg/L for 15 minutes at peak hourly flow 
 
FDEP chapter 62-604.550 (a) FAC, requires a wastewater spill shall be verbally reported to the state warning point no later than: - ANS 24hrs from discovery 
 
What is the 'rule of thumb' regarding pump packing? - ANS Never put rings of new pack...
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FDNY A-35 Exam Questions & Answers 2023/2024
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FDNY A-35 Exam Questions & Answers 2023/2024 
 
Air compressors power... - ANSWER-(1) industrial equipment and (2) construction tools 
 
Examples of equipment powered by air compressor - ANSWER-pneumatic wrenches, lifts in auto service stations, paint spray booths 
 
Air compressors enable... - ANSWER-(1) efficient repair of all types of vehicles; and (2) facilitate their safe operation on public thoroughfares 
 
Permit is required for air compressor - ANSWER-that compresses air above 100 PSI 
 ...
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S-12 CITYWIDE SPRINKLER SYSTEMS, S12 sprinkler test Spring 2023.
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Certificate of Fitness for Citywide Sprinkler Systems (S-12) 
S-12 CITYWIDE SPRINKLER SYSTEMS, S12 sprinkler test Spring 2023. 
 
THE __________ IS RESPONSIBLE TO MAINTAIN SPRINKLER SYS. AND TO DETERMINE QUALIFICATIONS. 
 
RECORDS OF ALL INSPECTIONS AND MX SHALL BE MAINTAINED ON PREMISES FOR A MIN. OF __________ YEARS. 
 
THE BUILDING OWNER SHALL ASSIGN A(N) ____________ TO COMPLY WITH REQUIREMENTS. 
 
REGULAR MX AND MINOR REPAIRS NOT AFFECTING MORE THAN ________ FLOOR(S) ARE CONSIDERED PLANN...
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Detroit Stationary Engineer 3rd Class Practice Exam 1 Correct 100%
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Lost motion in a duplex direct acting boiler feed pump: 
a. Is necessary 
b. Should be avoided 
c. Is due to wear on the tappets and callas. - ANSWER a. Is necessary 
 
A scotch marine boiler is: 
a. Horizontal fire tube boiler 
b. Vertical fire tube boiler 
c. Water tube boiler - ANSWER a. Horizontal fire tube boiler 
 
Lead is the amount the valve is open when the: 
a. Crank is on dead center 
b. Valve is midway on its stroke 
c. Eccentric is exactly 90 degrees ahead of the crank - ANSWER a. C...
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ABSA 4B EXAM QUIZ BANK | 1566 QUESTIONS | WITH ALL CORRECT SOLUTIONS.
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ABSA 4B EXAM QUIZ BANK | 1566 QUESTIONS | WITH ALL CORRECT SOLUTIONS. 
 
Internal ____ is not required for dynamic type compressors. 
 
seals 
lubrication 
pressure monitoring 
corrosion monitoring 
temperature monitoring 
b 
Low pressure or high pressure are the two primary classifications of ____. 
 
centrifugal pumps 
sump pumps 
boilers 
draft fans 
pressure controllers 
e 
The boiler feedwater becomes increasingly ____ as it approaches the measurement of zero. 
 
acidic 
neutral 
softer 
ba...
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EPA 608 Type 3 exam with 100% correct answers
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On low pressure chillers, moisture typically enters the refrigerant system through 
air leaks from areas with gaskets or fittings 
 
 
 
The maximum test pressure for leak testing a low pressure centrifugal is: 
10 psig 
 
 
 
Leak test and repair the chiller to reduce refrigerant loss from a pruge unit on CFC-11 chiller 
... 
 
 
 
A hydrostatic tube test kit is used to: 
determine if a tube leaks 
 
 
 
Commercial and industrial process refrigeration systems must be repaired when the leak rate...
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