EXERCISE
Note. - Refer to the lesson exercise instructions given in lesson 1.
31.
Three-phase, 220/440-volt, 60-hertz power is supplied to the test stand from
an external source. Where, on the test stand, is the service entrance for
this power located?
a.
Rear
b.
Front
c.
Right side
32.
There are four 6-volt batteries being used in a particular test stand. How
should they be interconnected?
a.
Series
b.
Parallel
c.
Series-parallel
33.
What is the running speed (RPM) of the varidrive motor?
a.
800
b.
1,800
c.
2,800
34.
RECT GEN, BAT, EXT, and VAR DC SUPPLY are the four positions of the circuit
selector switch of which meter?
a.
Load and starter DC ammeter
b.
Field and battery charger DC ammeter
c.
DC voltmeter
35.
Which are the two positions of the tachometer circuit selector switch?
a.
0-5,000 RPM; 0-12,000 RPM
b.
DIRECT DRIVE; CAL PULLEY
c.
HIGH SPEED HEAD; LOW SPEED HEAD
36.
Which meter circuit selector switch should be set to the OFF position when
the meter is not in use?
a.
AC ammeter
b.
AC voltmeter
c.
DC voltmeter
37.
You are checking the specific gravity of a battery with a hydrometer. The
electrolyte temperature is 850 F. What should the hydrometer reading be if
the battery is fully charged?
a.
1.278
b.
1.289
c.
1.282
38.
Each test stand meter has an associated set of calibrating binding posts or a
calibrating Jack. How are these posts/Jacks used?
a.
To compare the test stands measuring circuits with certified standards of
known accuracy
b.
To calibrate meters associated with generators, alternators, control
boxes, and AC/DC systems under test
c.
To self-check the monitoring systems during preoperational checks using
the 0-32 VDC power supply as a source
OS 010, 3-P33
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