A220 AC, BLEED & PRESS Questions with Detailed Verified Answers

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A220 AC, BLEED & PRESS Questions with
Detailed Verified Answers

Question: What does IAMS stand for?

Ans✅ ✅: Integrated Air Management System

Question: What are the 5 components of IAMS?

Ans✅ ✅: Bleed Air System

BALODS (Bleed Air Leak & Overheat Detection System)

Air Conditioning System

Avionics cooling and heat extraction system

Pressurization System

Question: What does the Probe Heat switch on the overhead panel do?

Ans✅ ✅: It allows you to bypass the ground logic and power the probe heaters for
2mins

Question: What is the maximum windshield wiper speed?

Ans✅ ✅: 250 KIAS

Question: How many Ice detectors are installed on the airplane?

Ans✅ ✅: 2

Question: What stages of engine bleed air are used by the IASC for
Bleed Air, Air conditioning and Pressurization?

Ans✅ ✅: 4th and 8th stages

Question: Which stages of engine bleed air is used for cowl anti-ice?

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Ans✅ ✅: 6th stage

Question: How are the 4 ADSP, 2 AOA, 2 TAT, and 2 P2T2 probes and
windows heated?

Ans✅ ✅: Electrically

Question: Does APU air or Engine bleed air have priority on the ground?

Ans✅ ✅: APU

Question: What does BALODS stand for?

Ans✅ ✅: Bleed Air Leak and Overheat Detection System

Question: What type of system does BALODS use to detect leaks?

Ans✅ ✅: Dual-loop system

Detects bleed air leaks in all the bleed air system manifolds

Dual, independent heat detection loops - both must detect a leak to trigger alert.
(IASC monitors loops)

Question: Which EICAS message is displayed when icing conditions are
detected and wing and cowl anti-ice are selected OFF?

Ans✅ ✅: ICE (caution message)

Question: What happens when you select the PACK FLOW switch on the
overhead panel?

Ans✅ ✅: It manually operates the pack in HI FLOW

Question: What is the zone temperature range with MAN TEMP switch in
AUTO operation mode?

Ans✅ ✅: Between 18C - 30C - The 12 o'clock position of the Temp knob represents
24 degrees C