ENVIRONMENTAL CONTROL SYSTEM/ BLEED

Question 1

28. Which valves are NOT shown on the BLEED synoptic?
    A. Fan air valves (FAVs)
    B. High-pressure valves (HPVs)
    C. Pressure-regulating shutoff valves (PRSOVs)
    D. Cross-bleed valve (CBV)

Answer 1

A

Question 2

Which valve is a cross-bleed valve (CBV)?
A. ValveA
B. ValveB
C. Valve C
D. Valve D

Answer 2

C

Question 3

Which valve is a high-pressure valve (HPV)?
A. ValveA
B. ValveB
C. Valve C
D. Valve D

Answer 3

A

Question 4

What type of leak is shown on the BLEED synoptic?
A. Right bleed leak
B. Left bleed leak(engine operating)
C. Left bleed leak (APU operating)
D. Trim air leak

Answer 4

D

Question 5

What is the prioritysource for engine starting during an in-flight start? A. Packs
B. External air
C. APU
D. Opposite engine

Answer 5

D

Question 6

Which air conditioning system valves are NOT shown on the BLEED synoptic? A. Trim air valves
B. Hot air shutoff valves
C. Flowcontrol valves
D. Temperature control valves

Answer 6

D

Question 7

Which control on the PRESSURIZATION panel automatically opens the outflow valves and depressurizes the airplane?
A. DITCHING guarded pushbutton annunciator (PBA)
B. OUTFLOW VALVE 1 PBA
C. MAN RATE knob
D. EMER DEPRESS guarded PBA

Answer 7

D

Question 8

The maximum positive differential pressure is:
A. 0.50psi
B. 3.70psi
C. 5.67psi
D. 10.73psi

Answer 8

D