Economizer - Study guides, Class notes & Summaries
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Z-51 REFRIGERATION TEST With Correct Solutions 2024 Update
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Z-51 REFRIGERATION TEST With Correct Solutions 
2024 Update 
Efficiency of the refrigerant cycle is affected by the operations of the condenser. Of the following, a more 
efficient centrifugal compressor operation results from: - Answer -Lowering the condensing pressure 
The heat removed from the refrigerant in a condenser is: - Answer -Sensible and latent heat 
The refrigerant unit that you have been assigned to is being taken out of service for a major repair. You 
have been assigned to withdr...
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3rd class stationary steam engineer license prep questions with complete solutions
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_________ are necessary for complete combustion correct answer: time, temperature, mixture, and atomization if the steam pressure gauge indicates 200 PSIG, the absolute pressure is______ correct answer: 214.7 a boiler is operating at 400 PSI, and the safety valve opens at 410 PSI and closes at 398 PSI. The blowdown is______psi correct answer: 12 an oil cooler is commonly used with a(n) ________ when operating in conjunction with a turbo-generator correct answer: steam turbine a boiler is produci...
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3rd class stationary steam engineer license prep questions with complete solutions
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_________ are necessary for complete combustion correct answer: time, temperature, mixture, and atomization if the steam pressure gauge indicates 200 PSIG, the absolute pressure is______ correct answer: 214.7 a boiler is operating at 400 PSI, and the safety valve opens at 410 PSI and closes at 398 PSI. The blowdown is______psi correct answer: 12 an oil cooler is commonly used with a(n) ________ when operating in conjunction with a turbo-generator correct answer: steam turbine a boiler is produci...
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3rd class stationary steam engineer license prep questions with complete solutions
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_________ are necessary for complete combustion correct answer: time, temperature, mixture, and atomization 
 
if the steam pressure gauge indicates 200 PSIG, the absolute pressure is______ correct answer: 214.7 
 
a boiler is operating at 400 PSI, and the safety valve opens at 410 PSI and closes at 398 PSI. The blowdown is______psi correct answer: 12 
 
an oil cooler is commonly used with a(n) ________ when operating in conjunction with a turbo-generator correct answer: steam turbine 
 
a b...
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FDNY Z51 RMO Questions and Answers 100%Verified Graded A+ already passed!!
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FDNY Z51 RMO Questions and Answers 100%Verified Graded A+ already passed!! 
the efficiency of the refrigerant cycle is affected by the operation of the condenser. Of 
the following, a more efficient centrifugal compressor operation results from - correct 
answer lowering the condenser pressure 
In most semi hermetic compressors, the suction vapor is used for - correct answer cools 
the motor 
The amount of refrigerant that flows through the orifices of an economizer is determined 
by the - corre...
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fdny z51 rmo questions answered 2023 verified graded A+ already passed!
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fdny z51 rmo questions answered 2023 verified graded A+ already passed!the efficiency of the refrigerant cycle is affected by the operation of the condenser. Of the following, a more efficient centrifugal compressor operation results from 
lowering the condenser pressure 
 
 
 
In most semi hermetic compressors, the suction vapor is used for 
cools the motor 
 
 
 
The amount of refrigerant that flows through the orifices of an economizer is determined by the 
difference between the high side an...
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Stationary Engineering |84 questions| with correct answers
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What is the pressure at the base of a vertical foot of water? CORRECT ANSWER 0.433 psi 
 
How much should the boiler pressure increase when performing a hydrostatic test? CORRECT ANSWER 1.5 times the safety valve setting 
 
The range of a boiler steam pressure gauge. CORRECT ANSWER 1.5 to 2 times the safety valve setting 
 
Fuel oil heaters must be used when burning what? CORRECT ANSWER No. 6 fuel oil 
 
What is the maximum allowable working pressure of a low pressure steam boiler? (MAWP) CORREC...
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Economizer Questions and Answers 2023
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Economizer
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Plant Operations BOMA Pre-Quiz 1-100 Latest Version Already Passed
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Plant Operations BOMA Pre-Quiz 1-100 
Latest Version Already Passed 
 
How may fittings be attached to a high pressure boiler? 
a. threaded 
b. certified welds 
 
c. flanges 
d. any of the above d. any of the above 
 
Which test determines the relieving capacity of safety valves? 
a. hydrostatic test 
b. accumulation test 
 
c. orsat test 
 
ration test b. accumulation test 
 
Flue gasses can leave at high temperatures. We can recover some of this heat using a(n): 
a. flash tank 
b. open feedwat...
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PLANT OPERATIONS BOMA PRE-QUIZ 1-100
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How may fittings be attached to a high pressure boiler? 
a. threaded 
b. certified welds 
c. flanges 
d. any of the above - Answer-d. any of the above 
 
Which test determines the relieving capacity of safety valves? 
a. hydrostatic test 
b. accumulation test 
c. orsat test 
ration test - Answer-b. accumulation test 
 
Flue gasses can leave at high temperatures. We can recover some of this heat using a(n): 
a. flash tank 
b. open feedwater heater 
c. economizer 
d. air compressor - Answer-c. eco...
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