9.
As discussed in your reading material, the main reason for calculating a capacitance
value is to
a. adjust capacitor timing
b. determine the nominal value of the capacitor
c. check for short circuits
d. check for open plates in the capacitor
10. Most capacitors used in industry are called ______ capacitors.
a. nonpolarized
b. ionic
c. direct current
d. delayed
11. With regard to the hermetic compressor described in your reading material, a
timer delays the start of the second motor until ______ after the start of the
first motor.
a. 5 seconds
b. 10 seconds
c. 15 seconds
d. 1 minute
12. With a kVAr capacitor rating of 10 in a 240-volt application, the appropriate THW
wire size is ______.
a. 4
b. 6
c. 8
d. 10
13. For most hermetic refrigerant systems, the rate-loaded current is at least equal to
______ % of the compressor's maximum continuous power.
a. 50
b. 64.1
c. 66.6
d. 75
