Aircraft Temperature Control System Quiz
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Questions and Answers

What happens if the ARINC buses are invalid or unavailable?

The MAUs look to the discretes from the CPAM and the display shows amber dashes.

What does the CPAM Fail(amber) message indicate?

The CPAM Fail(amber) message displays anytime the CPAM fails regardless of ARINC 429 status.

What functions can the flight crew perform and control using the CABIN PRESSURE CONTROL panel?

Select the AUTO, SEMI or MANUAL mode of operation, select the FLIGHT or LANDING mode of operation, manually position TROV shutters, and monitor the rate of TROV shutter movement.

What is the purpose of the Standby Multifunction Controller (SMC) in the CPCS SEMI Mode?

<p>The SMC interfaces with the standby SMC to receive flight crew selected aircraft/cabin altitude, LFE, barometric correction, and cabin rate.</p> Signup and view all the answers

How does the TROV control aircraft pressurization?

<p>The size of the opening created by shutter movement controls aircraft pressurization.</p> Signup and view all the answers

What happens if the AC motor associated with the active control channel malfunctions in AUTO or SEMI mode?

<p>The CPC will automatically switch to the remaining AC drive motor.</p> Signup and view all the answers

What prompts the selection of MANUAL mode for the TROV shutters?

<p>If a malfunction or failure of the 115V AC power system renders both motors inoperative, the CPC will signal the failure to the flight crew, prompting selection of MANUAL mode.</p> Signup and view all the answers

How is the failure of a single CPC channel annunciated?

<p>It is annunciated on the Crew Alerting System (CAS) display window as an advisory CAS.</p> Signup and view all the answers

What does the CABINALT FT indicator monitor?

<p>The cabin pressure; it has digital displays for cabin altitude and cabin differential pressure, and an analog dial for cabin rate of change.</p> Signup and view all the answers

Where is the Cabin Pressure Acquisition Module (CPAM) located?

<p>The CPAM is located in the bottom section of the Right Electronic Equipment Rack (REER).</p> Signup and view all the answers

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