Operation of water glycol - Study guides, Class notes & Summaries

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 and the low side pressure the instalation of an inline refrigerant...

A dirty air filter may cause: -a decrease in fuel consumption -white exhaust smoke -a loss of power -hotter exhaust temperatures - ANS a loss of power Diesel exhaust systems produce small amounts of a dangerous gas. The gas is: -carbon dioxide -carbon monoxide -sulfur dioxide -hydrocarbon - ANS carbon monoxide Which of the following types of wet exhaust below the waterline? -phase cancellation muffler -waterlift -surge tube -inline muffler - ANS water...

  When the pump is in operation a small water leak on the pump bearings is desirable and should not be considered a malfunction. Additionally, water should discharge from a ---- relief valve (electric pump) or --- exchanger (diesel pump) while the fire pump is operating under a "no-flow" condition. - Answer: circulation /heat A sprinkler system is a - Answer: fire extinguishing system, other than a water mist system, that utilizes water as the extinguishing agent. Inspection, test...

1. 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 Answer: Lowering the condensing pressure 2. The heat removed from the refrigerant in a condenser is Answer: Sensible and Latent Heat 3. The refrigerant unit that you have been assigned to is being taken out of service for a major repair. You have been assigned to withdraw refrigerant for storage in suitable containers. Accord...

  Personally supervised - Answer: Inspection, Testing, servicing and other maintenance of sprinkler systems (NFPA 25, 2011) How Many Spare Heads must be onsite - Answer: 6 Hydrostatic Test - Answer: Every 5 Years Impairment Coordinator - Answer: Person who shall take action when a standpipe system, sprinkler system or fire alarm system is out of service Planned removal from service - Answer: When the system, or a portion of the standpipe or sprinkler system, is placed out of ...

Local 94 / S-12, S-13, S-14 Review and information | questions and answers | with complete solution 2024 update Who is responsible for assigning and impairment coordinator? The Building owner. How long must an impairment coordinator keep records of system inspections and service? 3 Years. How many spare sprinkler heads must be kept on site for emergency replacement?6. How often should FD connections be tested and what type of test must be performed? Every 5 years and a Hydro-static Press...

  fire department connection - Answer: normally on exterior of building... FDNY can pump supplemental water into the sprinkler system, standpipe, or other system furnishing water for fire extinguishment to supplement existing water supplies. system control valve - Answer: valve controlling flow to water-based fire protection systems. fire command center - Answer: Designated room or area in a structure where the status of the fire detection, alarm, and protection systems is displayed ...

  1. The NFPA standard for the inspection, testing and maintenance of wa- ter-based fire protection is Answer: NFPA 25 2. Is an additive in a sprinkler system Answer: Foam - NFPA 25 A.13.4.5.2.2.3.B 3. Trip testing the quick-opening device should be in accordance with the Answer: - Manufacturer's Instructions Ref # NFPA 25 A-13-4-5-2-2-3-B 4. Heat tracing shall be inspected and maintained in accordance with the requirements. Answer: Manufacturer's Ref. # NFPA 25 5.2.6 5. The t...

RMO Final Exam Questions and Complete Solutions A standpipe system will be out of service for two days. How long should there be a fire Watch? A) The first 24 hours B) The entire time the standpipe is out of service C) The first 12 hours D)The last 12 hours of the day - Answer: The entire time the standpipe is out of service. The only refrigerant temperature chart available to a refrigerant engineer lists the temperature in degrees Celsius. If the chart indicates a Celsius temperat...

Final Review RMO Exam Questions and Complete Solutions When instructed to start a reciprocating plant for Air conditioning the first thing to do is? A. TURN ON CHILLED WATER PUMPS AND OPEN THE BYPASS TO LIGHTER LOAD B. INSTALL LARGER FUSE TO TAKE THE INITIAL LOAD, AND THEN TURN ON THE COOLING TOWER FANS C. TURN ON CHILLED WATER PUMP, CONDENSER WATER PUMPS AND COOLING TOWER FANS D. SET THE THERMOSTAT A FEW DEGREES HIGHER - Answer: C. Turn on chilled water pump, condenser water pumps an...