Choose the word(s) with the same meaning.More than one possibility may be correct.
1).consist of a.comprise
2) enable b.make possible
3) Perception c.noticing
4) Link d.connect
5) Unless b.if not
6) energize a.turn on
3.Fill in the blanks with the correct words and – if necessary – change the grammatical form:
a.If there is a _failure_ in one of the systems,the plane must be grounded.
b.The cockpit crew __consists of_ a captain,a first officer and – on some planes – a flight engineer.
c.Before you start the test,make sure you __disconnect___ electrical power.
d.A knowledge of the English language ___enables__ you to understand the Manuals.
e.The pressure must not be __above___ 25 psi.
f.Before you _provide___ the IDG system,read the instructions carefully.
g.The opposite of “push” is __fpull_.
h.The computer __indicates_ the malfunctions of the system.
i.With the help of a contactor the busses can be _linked__.
J． “You can choose __either__rocedure” means that is doesn’t matter which one you choose.
4.Fill in the correct prepositions:
of,to,below,by,to,on,at,for,to,before,via,without
a.Do not actuate the switch _ on_ longer than 5 seconds.
b.Allow a minimum __of__ 60 seconds __before__ repeating the test.
c.Pull the lever _to_ the extreme left position.
d.The disconnect must not be actuated if the engine is running __below_ idle speed.
e.In normal flight each IDG supplies its own distribution network _for_ its line contactor.
f.The direct current normal and essential busses are linked ___via__ a tie contactor.
g.You do the operational test __to__ check the IDG disconnect system.
h.Starting the engine _by_ resetting the disconnect could result in damage _to the dog teeth.
i.If you do not follow the instructions,the jaw teeth may seal _without___ the IDG input shaft.
j.A “click” can be felt ___at__ the end of the travel.