III Divide into small groups, skim the text with your group to finish the sentences.

1 The GTCP-95 is …………………………………………………………….. 2 Itfurnishes ……………………………………………………………………… 3 The gas-turbine engineof the APU requires …………………………………… 4 The engine is composed of ……………………………………………………… 5 The two main sections include …………………………………………………. 6 The four main systems consist of ………………………………………………. 7 The engine develops ……………………………………………………………. 8 Compressed air, mixed with fuel and ignited, drives…………………………… 9 The gas-turbine electrical system provides …………………………………….. 10 They control …………………………………………………………………… 11 The starter motor rating is ……………………………………………………. 12 The starter has a duty cycle of ……………………………………………….. 13 The starter motorarmature shaft is splined and pinned ………………………. 14The electrical system consists of the following components: ………………….. IV Divide into two groups, scan the text to complete sentences.A

1 APUs are used for2 Thegas-turbine APU provides

3The ignition portion consists of

4 It is controlled by

5 Ignition is only required

6 Centrifugal speed sequenceswitchcontrols

7The three electrical switches actuate at

8 The functions of the switches are as follows:

9The starter provides

10 It rotates

11The starter assists

12The starter clutch assembly performs twofunctions:

13 The starter normally is de-energized by

B

a initial power for rotating the components of the gasturbine to self-sustaining speeds.

b 35%, 95%, and106% of turbine speed.

c thesequence of operation of various electricalcomponents.

d during starting and automatically cuts out at 95% engine rpm.

e the multiple centrifugal switch.

f an exciter and ignition plug.

g compressed air to startengines and for air conditioning.

h ground maintenance as well as emergency in-flightpower loss.

I 35%—turns off starter motor, 95%—arms load control circuits, starts hourmeter, turns off ignition,106%—stops unit (overspeed protection).

j the compressorto a speed high enough for correct airflow forcombustion.

k acceleration afterlight-off.

l as a friction clutch, as an overrunning clutch

m thecentrifugal switch at 35%.