ALL CORRECT & VERIFIED ANSWERS (UPDATED
TO PASS)
1. What is a correct example of how the constant-
When you move the
speed propeller system changes blade
pro- peller control aft,
angle?
the speeder spring
When you move the propeller control aft, the tension decreases,
speeder causing the fly-
spring tension decreases, causing the flyweights to tilt weights to tilt
outward and
outward and move the pilot valve to direct move the pilot valve to
oil to the pitch change mechanism, which di- rect oil to the pitch-
moves the propeller to a high blade angle. change mechanism,
which moves the
When you move the throttle aft, the speeder
propeller to a high
spring tension decreases, causing the
blade angle.
flyweights to tilt out- ward and move the pilot
valve to direct oil to the pitch change
mechanism, which moves the propeller to a
high blade angle.
When you pitch up and decrease engine
speed, an increase in centrifugal force
causes the flyweights to tilt outward and
move the pilot valve to direct oil to the
propeller mechanism, which moves the
propeller to a higher blade angle (pitch),
resulting in a constant propeller r.p.m.
The electrically driven
2. Which of these are components in the fuel
aux- iliary fuel pump,
injection system?
which de- livers
provides fuel pres-
The electrically driven auxiliary fuel pump, which deliv- sure if the
engine-driven
ers provides fuel pressure if the engine-driven pump fails;
,COMMERCIAL JEPPESEN STAGE 3 EXAM WITH
ALL CORRECT & VERIFIED ANSWERS (UPDATED
TO the
PASS)
fuel manifold valve, which distributes pump fails; the fuel
fuel evenly to all cylinders and provides a man- ifold valve,
fuel shutoff which distrib- utes fuel
evenly to all cylin-
The ders and
engine-driven
provides a fuel fuel pump, which provides fuel at a
regulated pressure directly to the fuel shutott
discharge noz- zles; the fuel control unit, which
incorporates a throttle
,COMMERCIAL JEPPESEN STAGE 3 EXAM WITH
ALL CORRECT & VERIFIED ANSWERS (UPDATED
TO plate
PASS)to vary the engine's intake airflow and
includes a mixture control valve
The fuel discharge nozzles, which mix air with
the fuel delivered from the manifold valve
and inject it into the cylinder intake ports; the
fuel flow indicator, which displays the fuel
temperature at the discharge nozzles and flow
rate in gallons or pounds of fuel per hour
With the throttle at
3. What is a correct statement regarding the take- ott power, if you
indications that occur on the tachometer and move the propeller
manifold pressure gauges with changes in control from full
throttle and propeller control positions?
forward to cruise
r.p.m., high manifold
With the throttle at takeoff power, if you move pressure could cause
the propeller control from full forward to cruise engine limits to be
r.p.m., high manifold pressure could cause exceeded.
engine limits to be exceeded.
If you move the throttle from a cruise power
setting to idle with the propeller control in
the full forward position, the manifold pressure
decreases and the pro- peller r.p.m. remains
the same.
If you move the throttle forward from idle to a
takeoff power setting with the propeller
control in the full forward position, manifold
pressure increases and the propeller r.p.m.
remains the same.
, COMMERCIAL JEPPESEN STAGE 3 EXAM WITH
ALL CORRECT & VERIFIED ANSWERS (UPDATED
TO
4. PASS)