61-70

Question 1

Which WING-BODY OVER HEAT light will illuminate if a leak in the bleed duct from
the APU occurs?
a) Right
b) Left
c) Neither

Answer 1

Left

Question 2

The isolation valve _________ if either engine BLEED air or air condition PACK
switch is positioned OFF with the ISOLATION VALVE switch in AUTO.
a) automatically opens
b) automatically closes
c) does not change position

Answer 2

Automatically opens

Question 3

Where does conditioned air for the cabin come from?
a) either the aircraft air conditioning system or heat exchanger located in the balance bay
b) does not change position
c) either the aircraft air conditioning system or a preconditioned ground source

Answer 3

either the aircraft air conditioning system or a preconditioned ground source

Question 4

Conditioned air from which PACK, upstream of the mix manifold, flows directly to
the flight deck?
a) APU PACK
b) Left PACK
c) Right PACK

Answer 4

Left PACK

Question 5

With the air conditioning PACK switches in AUTO and both packs are operating:
a the left pack provides “normal air flow” and the right pack provides “high air flow”
b the packs provide “high air flow”
c the packs provide “normal air flow”

Answer 5

the packs provide “normal air flow”

Question 6

On the ground, the APU can supply air for ________ for all operations.
a) the left PACK only
b) the right PACK only
c) two PACKs

Answer 6

two PACKs

Question 6

Conditioned air from the ________ is delivered to the flight deck and aircraft cabin.
a) mix manifold
b) aircraft cabin
c) the lavatory

Answer 6

mix manifold

Question 7

What does the TRIP RESET switch reset?
a) DUCT OVERHEAT on the B737-700, or the ZONE TEMP on the B737-800
b) BLEED TRIP OFF, PACK TRIP OFF
c) All answers are correct

Answer 7

All answers are correct

Question 8

On the Cabin Pressurization Panel, with the pressurization mode selector in the
MAN mode, the outflow valve switch takes approximately how long to move the
outflow valve in the full range of motion?
a) 10 seconds
b) 20 seconds
c) 60 seconds

Answer 8

20 seconds

Question 9

The 737 has _____ outflow valves.
a) one
b) two
c) three

Answer 9

One