Ac controls - Study guides, Class notes & Summaries

A flight crew member on standby means: correct answers A flight crew member who has been designated by an air operator or private operator to remain at a specific location in order to report for duty within notice of 1 hour or less An ATPL Pilot with an expired Group 1 instrument rating may exercise privileges of: correct answers A commercial pilots license, but cannot act as PIC on aircraft requiring two crew When an aircraft is operated between cabin pressures of 10,000 and 13,000ASL, wh...

BOMA- Electric Motor Controls Exam Questions With Expert Revised Answers <Guaranteed Pass!!> How does a U.P.S. work? - ANSWER : AC rectified to DC batteries then inverted to AC Batteries energy capacity is measured in: - ANSWER : Amp-hours Batteries have two rated values: - ANSWER : Voltage and Amp-hours How do you top off water in a battery cell? - ANSWER : Distilled water when the level is below the plates A voltage monitor relay is used for: - ANSWER : Startin...

CWB 2 All Module Exams Real Questions With Expert Verified Solutions| Latest Update A Transformer is a device that: A) Transforms AC to DC B) Works only to change a DC voltage C) Changes the value of an AC voltage but does not change the frequency D) Is made from a semiconductor - ANSWER C) Changes the value of an AC voltage but does not change the frequency A Rectifier is a device that converts: A) DC current to AC current B) AC Current to a high value DC current C) DC current t...

What should be used when installing o rings Refrigerant oil not the right answer which of the following is true about thermostat all the above moisture contamination inside the air conditioning system can cause all the above when charging r12 to r134 the performance of which component must increase the most condenser a overcharged air conditioning system is indicated by above normal gauge readings the high side reading is too high what should you do to cor...

A Plasma is: A) A gas made up of positive ions and free electrons B) A liquid used to reduce adherence of spatter C) The main component in an inverter power source D) Always present in an electrical circuit - CORRECT ANSWER A) A gas made up of positive ions and free electrons To increase melting rate (burn-off rate) in the shielded metal arc welding (SMAW) process, which polarity should be used? A) DCEP B) ACEP C) DCEN D) ACEP - CORRECT ANSWER C) DCEN Which type of weldin...

moisture contamination inside the air conditioning system can cause all the above a vehicle has low heater output which of the following would not cause this output restricted of leaves not the right answer when charging r12 to r134 the performance of which component must increase the most condenser a overcharged air conditioning system is indicated by above normal gauge readings the high side reading is too high what should you do to correct this remove blockaga...

HVACR UNIT 55 QUESTIONS AND ANSWERS ALREADY PASSED A major difference between the operation of an oil furnace and a gas furnace is that: The oil must be atomized before ignition. An oil furnace heat exchanger is built: Like a drum. How are oil burner nozzles rated? Cone shape, spray angle, and GPH Modern residential oil furnaces sense the flames using: A cadmium sulfide cell. Sealed combustion oil furnaces use: High static oil burners. Select the functions that the primary co...

What should be used when installing o rings Refrigerant oil not the right answer which of the following is true about thermostat all the above moisture contamination inside the air conditioning system can cause all the above a vehicle has low heater output which of the following would not cause this output restricted of leaves not the right answer when charging r12 to r134 the performance of which component must increase the most condenser a overcharged ai...

A successful FDR (flight data recorder) test consists of pressing the FDR test button and verifying that no FDR EICAS message appears? (true or false) - ️️True According to the SOPM, how can you identify if the flashing light is sufficiently charged? - ️️Flashing red LED light According to the SOPM, the use of FMS speeds is allowing during all flight conditions, including single engine flight? (true or false) - ️️True Advisory messages are identified by what color? - ️️Cyan A...

According to the SOPM, when should the APU be turned on? - ️️"Approximately 10 minutes prior to departure, start the APU and give the command/signalwhen ready to disconnect the air and/or ground power." All primary flight controls except for the ailerons are controlled by what? - ️️Fly-by-Wire ( FBW) At what speed does the TAS, TAT, and SAT information become valid and accurate? - ️️Above 60 kts Briefly explain how a LAV SMOKE EICAS message would appear. - ️️Smoke is detecte...