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ABSA 3B2 EXAM | QUESTIONS & ANSWERS (VERIFIED)| LATESTUPDATE|GRADEDA+

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ABSA 3B2 EXAM | QUESTIONS & ANSWERS (VERIFIED)| LATEST UPDATE|GRADED A+

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HOSMERIT


ABSA 3B2 EXAM | QUESTIONS & ANSWERS (VERIFIED) |
LATEST UPDATE |GRADED A+

What can not be used to to control an overspeed trip

Correct Answer:
Pneumatic



What refrigerants are most commonly used in an absorption refrigeration system

Correct Answer:
ammonia and water



Where is the flare pit located in an industrial wastewater treatment plant

Correct Answer:
oil/water separation pit



What are 2 common fired heaters

Correct Answer:
indirect and direct



What is the value of a convgerent nozzle inlet

Correct Answer:
0.577



What type of turbines use the exhaust steam for a process after the fact

Correct Answer:

, non condensing/back pressure turbine




Purpose of a dummy piston on a steam turbine

Correct Answer: exert a thrust force on the piston ion the opposite direction to normalthrust

force



Purpose of a turning gear

Correct Answer: prevent hogging



Speed sensitive governors

Correct Answer: mechanicalmechanical hydraulic

electric hydraulic



What would cause an overspeed to activate ...

Correct Answer:



What happens when an overspeed trip activates

Correct Answer: steam supply inlet closes



Most efficient coolant for refrigerant

Correct Answer: water cooling

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