ESV Study Guide Aircraft General, Air Conditioning, Flight Controls Flashcards
The minimum pavement width required for a 180 degree turn is _____ feet.
79
88
57
65
79
What are the thrust ratings of the CFM 56-7B26 engine?
27K Bump
26K & 24K
22K
All of the above.
All of the above.
The system that controls and monitors engine parameters is the _____.
Autothrottles
FMC
EEC
FCC
EEC
The B737-800 is limited to a maximum takeoff weight of _____ pounds.
144,000
174,200
172,500
168,000
174,200
The B737-800 is limited to a maximum landing weight of _____ pounds.
146,300
136,000
150,000
137,000
146,300
What is the maximum operating altitude for the B737-800?
42,000 ft.
41,000 ft.
35,000 ft.
37,000 ft.
41,000 ft
What is the maximum zero fuel weight of the B737-800?
144,000
140,000
138,300
136,000
138,300
How many escape slides are on the B-737?
8, one at each entry and service door and one at each overwing exit.
6, one at each entry and service door and one at each wing.
2, only one at each forward entry and service door.
4, one at each entry and service door.
4, one at each entry and service door.
MAX: PSEU Light has been replaced with the ____ light:
MAINT
UNIT
ALERT
SYSTEM
MAINT
End of AIRCRAFT GENERAL
Beginning of AIR CONDITIONING
The ram air doors normally modulate to full OPEN when the aircraft is ____.
operating both packs in high flow
in flight with flaps not fully retracted or on the ground
in flight with flaps retracted
on the ground only
in flight with flaps not fully retracted or on the ground
The APU can supply bleed air for the pack up to ____.
41,000 feet under all conditions
20,000 feet or 12,000 feet if the APU is also providing electricity
17,000 feet or 10,000 feet if the APU is also providing electricity
20,000 feet or 8000 feet if the APU is also providing electricity
17,000 feet or 10,000 feet if the APU is also providing electricity
The mix manifold receives air from the ____.
left pack, right pack, and pre-conditioned air only left pack, right pack, recirculation fan, and pre-conditioned air right pack, recirculation fan, and pre-conditioned air only left pack and right pack only
left pack, right pack, recirculation fan, and pre-conditioned air
What is the primary source of conditioned air for the cockpit?
Mix manifold Both packs Left pack Right pack
Left pack
The primary purpose of the recirculation fans is to ____.
provide overheat detection down stream of the packs reduce air conditioning pack load increase airflow at greater cabin differential pressure filter air for contaminants
reduce air conditioning pack load
Equipment cooling is provided for electronic equipment in the ____.
E & E bay and forward cargo compartment E & E bay and flight deck area E & E bay only E & E bay and aft cargo compartment
E & E bay and flight deck area
The equipment cooling system has ___________ fan(s).
1 supply and 2 exhaust 2 supply and 1 exhaust 1 supply and 1 exhaust 2 supply and 2 exhaust
2 supply and 2 exhaust
Air from the preconditioned ground source enters the air conditioning system through the ____.
left pack valve mix manifold bleed valve right pack valve
mix manifold
Engine low pressure bleed air is provided by the ____ stage, and engine high pressure bleed air is provided by the ____ stage air.
5th/12th 5th/9th 9th/13th 8th/12th
5th/9th
Each A/C pack has ____ controllers for pack temperature control.
1 2 3 4
2
If the primary equipment cooling fan fails, what indications would be displayed?
No indications - the standby fan turns on automatically. Master Caution light and horn Warning horn only (Ground Ops) Master Caution light, the related equipment cooling OFF light, and the OVERHEAD annunciator light on the System Annunciator Panel
Master Caution light, the related equipment cooling OFF light, and the OVERHEAD annunciator light on the System Annunciator Panel
In the event of a single pack failure at altitude, the remaining pack is capable of maintaining cabin pressure and comfort at an airplane altitude of _____.
37,000 feet 41,000 feet 35,000 feet 25,000 feet
41,000 feet
The APU will supply bleed air for ____ pack(s) ____.
1) one, only in flight
2) both, on the ground
3) all three, in flight
4) both 1 & 2
both 1 & 2
Inflight, normal air conditioning system operation would be ____.
Both PACKs from APU one pack from two engine bleed sources two packs from one engine bleed source each pack from its associated engine bleed source
each pack from its associated engine bleed source
Which single bleed source is permitted to supply air to both packs on the ground?
None Engine only An engine bleed or APU. The APU only.
The APU only.
The ram air system operates automatically to provide cooling for ____.
emergency cooling needs the E & E compartment on the ground the PACK heat exchangers the right pack alternate air source
the PACK heat exchangers
For maximum cooling (of the pack) the ram air inlet doors modulate toward the _________ .
a mid position full open position full closed position ram air inlet doors do not modulate
full open position
Deflector doors on the ram air system are used on the ground to __________.
prevent backflow of air over the heat exchangers increase airflow through the ram air doors prevent slush ingestion on takeoff or landing allow for smooth air flow over the heat exchangers
prevent slush ingestion on takeoff or landing
The deflector doors on the ram air system are fully extended ____.
on the ground only on the ground, or inflight with the flaps extended inflight with the flaps extended inflight with the gear extended
on the ground only
Zone temperature is controlled by introducing the proper amount of trim air into the______________.
individual zone supply duct the mix manifold the pack temp control valve modulating the ram air inlet doors
individual zone supply duct
Failure of the primary and standby flight deck zone temperature controls will cause the ____ to illuminate.
ZONE TEMP, MASTER CAUTION, and AIR COND annunciator lights ZONE TEMP light only PACK light MASTER CAUTION light only
ZONE TEMP, MASTER CAUTION, and AIR COND annunciator lights
Inflight, the forward cargo compartment is heated by air drawn around it by the ____.
1) outflow valves
2) recirculation fan system
3) equipment cooling system
4) Both 2 & 3
Both 2 & 3
The temperature selector adjusts the desired zone temperature between a range of approximately ____ degrees.
75-85 60-80 65-85 70-80
65-85
When either the primary or standby pack temperature controller fails, what indications will be displayed?
PACK and ZONE TEMP lights PACK and MASTER CAUTION lights only MASTER CAUTION, and AIR COND SYSTEM ANNUNCIATOR lights PACK, MASTER CAUTION, and AIR COND SYSTEM ANNUNCIATOR lights on recall
PACK, MASTER CAUTION, and AIR COND SYSTEM ANNUNCIATOR lights on recall
If the FWD or AFT Cab ZONE TEMP lights illuminate indicating an overheat, this will cause the associated ____ valve to close.
trim air modulating emergency relief pressure regulating pack
trim air modulating
The associated PACK light, Master Caution, and AIR COND annunciator will illuminate when ______.
pack trips caused by primary controller failure all temperature selectors are placed OFF pack controller failure and all temperature selectors placed OFF pack overheats or dual pack controller failure
pack overheats or dual pack controller failure
What fault indication(s) cannot be reset with the trip reset button?
BLEED TRIP OFF PACK ZONE TEMP Wing body overheat
Wing body overheat
The ZONE TEMP light, Master Caution, and AIR COND annunciator lights will illuminate for
an overheat in the duct leading to any of the three zones a dual temperature controller failure in the CONTROL CAB zone any single temperature controller failure in any zone during a RECALL test any of the above
any of the above
What will cause the left Wing-Body Overheat light to illuminate?
A bleed air duct leak in the left engine strut, left inboard wing leading edge, left air conditioning bay, keel beam or APU bleed air duct A bleed air duct leak in the left wing anti-ice Only a bleed air leak in the left air conditioning bay A bleed air leak in the Trim-Air Manifold
A bleed air duct leak in the left engine strut, left inboard wing leading edge, left air conditioning bay, keel beam or APU bleed air duct
Taking off with one or both PACK switches in HIGH is allowed with the engine bleed air switches on.
True False
False
While accomplishing the QRH procedure for a PACK light illuminated, why do you select a warmer temperature on all three temperature selectors?
Open the pack valve This causes the pack to revert to high flow Reduce the workload on the affected air conditioning pack To extinguish the Pack light
Reduce the workload on the affected air conditioning pack
Placing the trim air switch off will:
Cause both packs switch to high flow Close the trim pressure regulating and shutoff valve Cause the left pack temp to be controlled by the Cont Cab temp selector and the right pack by the Fwd and Aft temp selectors Both 2 and 3 are correct
Both 2 and 3 are correct
If a PACK light illuminates while performing a before taxi check, and resets with master caution reset, you should:
Perform the PACK QRH procedure Consult the PACK MEL procedure for single channel fault Contact load agent and perform an bleeds off takeoff Both one and two are correct
Consult the PACK MEL procedure for single channel fault
Landing with PACK switches in HIGH:
Will automatically revert to normal flow with flaps extended Is not authorized with engine bleeds on Is authorized if a QRH checklist calls for it Both two and three are correct
Both two and three are correct
In order to do a bleeds off takeoff:
Only the left PACK is switched to AUTO The right PACK switch must turned OFF Put both PACK switches to HIGH Put both PACK switches to AUTO
Put both PACK switches to AUTO