Cabin Atmosphere Control

14B-1
WHICH SECTION OF A TURBIN ENGENE PROVIDES HIGH PRESURE BLEED AIR TO AN AIR CYCLE MACHINE FOR PRESURIZATION AND AIR CONDITIONING?
A—C-D INLET COMPRESOR DUCT
B—INLET COMPRESOR
C—TURBIN COMPRESOR
14B-2
THE CABIN PRESURE OF AN AIRCRAFT IN FLIGHT IS MAINTAINED AT THE SELECTED ALTITUDE BY?
A—CONTROLLING THE AIR INFLOW RATE
B—CONTROLING THE RATE AT WHICH AIR LEAVES THE CABBIN
C—INFLATING DOOR SEALS AND RECERCULATING CONDITIONED CABIN AIR
14B-3
WHAT CONTROLES THE OPERATION OF THE CABIN PRESSURE REGULATOR?
A—CABIN ALTITUDE
B—BLEED AIR PRESURE
C—COMPRESSORE AIR PRESURE
14B-4 THE PURPOSE OF THE DUMP VALVE IN A PRESURIZED AIRCRAFT IS TO RELIEVE?
A—A NEGATIVE PRESURE DIFFERINTIAL
B—PRESURE IN EXCESS OF THE MAXIMUME DIFFERINTIAL
C—ALL POSOTIVE PRESURE FROM THE CABIN
14B-5
WHAT TEST IS USED TO DETERMINE THE SEVICABILITY OF AN OXYGEN CYLINDER?
A—PRESURE TEST WITH WATER
B—PRESURE TEST WITH NITROGEN
C—PRESURE TEST WITH MANOMETER
14B-6
HOW OFTEN SHOULD STANDARED WEIGHT HIGH PRESURE OXYGEN CYLINDERS BE HYDROSTATICALLY TESTED?
A—EVERY 4 YEARS
B—EVERY 3 YEARS
C—EVERY 5 YEARS
14B-7
TO BE ELIGIABLE FOR RECHARGING DOT 3FIT OXYGEN CYLINDER MUST HAVE BEEN HYDROSTATICALLY TESTED EVERY 3 YEARS AND BE RETIRED FROM SERVICE AFTER?
A—15 YEARS OR 10,000 FILLING CYCLES
B—24 YEARS OR 4380 FILLING CYCLES
C—10 YEARS OR 5000 FILLING CYCLES
14B-8
WHAT TYPE OF OXYGEN SYSTEM USES THE REBREATHER BAG TYPE MASK?
A—DEMAND
B—DILUTER DEMAND
C—CONTINUOUS FLOW
14B-9
THE ALTITUDE CONTROLER MAINTAINS CABIN ALTITUDE BY MODULATION OF THE?
A—OUTFLOW VALVE
B—SAFETY VALVE
C—SAFETY AND OUTFLOW VALVE
14B-10
FOR USE IN PRESURIZED AIRCRAFT, WHICH IS GENERALLY THE LEAST COMPLICATED AND REQUIRES THE LEAST MAINTANCE?
A—HIGH PRESURE OXYGEN SYSTEMS
B— LOW PRESURE OXYGEN SYSTEMS
C—CHEMICAL OXYGEN GENERATOR SYSTEMS
14B-11
THE MAIN COUSE OF CONTAMINATION IN GASEOUS OXYGEN SYSTEMS IS?
A— MOISTURE
B—DUST AND OTHER AIRBONE PARTICALS
C—OTHER ATMOSPHERIC GASES
14B-12
HOW THE CABIN IS PRESURE OF A PRESSURIZED AIRCRAFT USUALLY CONTROLLED?
A—BY AN AOUTOMATIC OUTFLOW VALVE THAT DUMPS ALL THE PRESURE IN EXCESS OF THE AMOUNT FOR WHICH IT IS SET
B—BY A PRESURE SENSATIVE VALVE THAT CONTROLES THE OUTPUT PRESURE OF THE PRESURIZATION PUMP
C—BY A PRESURE SENSATIVE SWITCH THAT CAUSES THE PRESURIZATION PUMP TO TURN ON OR OFF AS REQUIRES
14B-13
ON SOME CABIN PRESURIZATION SYSTEMS PRESURIZATION ON THE GROUND IS RESTRICTED BY THE?
A—MAIN LANDING GEAR OPERATED SWITCH
B—NEGATIVE PRESURE RELIEF VALVE
C—CABIN PRESSURE REGULATOR
14B-14
THE CABIN PRESSURE CONTROL SETTING HAS A DIRECT INFLUENCE UPON THE?
A—OUTFLOW VALVE OPENING
B—PNUEMATIC SYSTEM PRESSURE
C—INFLOW VALVE OPENING
14B-15
WHAT COMPONENT OF A PRESSURIZATION SYSTEM PREVENTS THE CABIN ALTITUDE FROM BECOMING HIGHER THAN AIRPLANE ALTITUDE?
— A NEGATIVE PRESSURE RELIEF VALVE
B—CABIN RATE OF DESCENT CONTROL
C—POSOTIVE PRESSURE RELIEF VALVE
14B-16
IF THE CABIN RATE OF CLIMB IS TO GREAT, THE CONTROL SHOULD BE ADJUSTED TO CAUSE THE?
A—CABIN COMPRESSOR SPEED TO DECREAS
B—OUTFLOW VALVE TO CLOSE SLOWER
C—OUTFLOW VALVE TO CLOSE FASTER
14B-17
WHITCH PREVENTS A SUDDEN LOSS OF PRESURIZATION IN THE EVENT THAT THERE IS A LOSS OF THE PRESURIZATION SOURCE?
A—FIREWALL SHUTOFF VALVE
B—CABIN PRESSURE OUTFLOW VALVE
C—DELIVERY AIR DUCT CHECK VALVE
14B-18
THE PRIMARY FUNCTION OF THE CABIN AIR PRESSURIZATION SYSTEM OUTFLOW VALVE IS TO?
A—MAINTAIN THE SAME CABIN PRESSURE AT ALL ALTITUDES
B—MAINTAIN THE DESIRED CABIN PRESSURE
C—PROVIDE PROTECTION AGAINST OVER PRESSURIZATION
14B-19
ONE PUPOSE OF A JET PUMP IN A PRESSURIZATION AND AIR CONDITIONING SYSTEM IS TO?
A—PRODUCE A HIGH PRESSURE FOR OPERATION OF THE OUTFLOW VALVE
B—PROVIDE FOR AUGMENTATION OF AIRFLOW IN SOME AREAS OF THE AIRCRAFT
C—ASSIST ON THE CIRCULATION OF FREON
14B-20
AN IRCRAFT PRESSURIZATION CYCLE IS NORMALLY CONSIDERED TO BE?
A—ONE TALE OFF AND ONE LANDING
B—WHEN THE FUSELAGE REACHES ITS MAXIMUME PRESSURE DIFFERINTIAL ONE TIME
C—ONE COMPLETE SERIES OF EVENTS OR OPERATION THAT RECUR REGULARLLY
14B-21
WHITCH BEST DESCRIBES CABIN DIFFERINTIAL PRESSURE?
A—DIFFERINTIAL BETWEEN THE AMBIANT AND INTERNAL AIR PRESSURE
B—DIFFERINTIAL BETWEEN CABIN PRESSURE CONTROLLER SETTING AND ACTUAL CABIN PRESSURE
C—DIFFERINTIAL BETWEEN CABIN FLIGHT ALTITUDE PRESSURE AND MEAN SEA LEVEL PRESSURE
14B-22
COMPOSITE OXYGEN BOTTLES THAT CONFORM TO DOT-E-8162 HAVE A SEVICE LLIFE OF?
A—10 YEARS OR 5000 FILLING CYCLES WHICHEVER OCCURES FIRST
B—5 YEARS OR 5000 FILLING CYCLES WHITCHEVER OCCURES FIRST
C—15 YEARS OR 10,000 FILLING CYCLES WHITCHEVER OCCURES FIRST
14B-23THE CABIN PRESSURIZATION MODES OF OPERATION ARE?
A—AMBIENT UNPRESSURIZED, AND ISOBARIC
B—DIFFERNTIAL, UNPRESSURIZED, AND ISOBARIC
C—ISOBARIC, DIFFERENTIAL, AND MAXIMUME DIFFERENTIAL

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