To blow molten metal away, the A-CAC process uses jets of _____
a. carbon dioxide
b. nitrogen
c. compressed air
d. extremely hot plasma
c
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Which of the following statements about battery ratings is true?
A. The ampere-hour rating is defined as the amount of steady current that a fully charged battery can supply for 1 hour at 80°F (26.7°C) without the cell voltage falling below a predetermined voltage. B. The cold cranking amps rating represents the number of amps that a fully charged battery can deliver at 0°F (-17.7°C) for 30 seconds while maintaining a voltage above 9.6 volts for a 12V battery. C. The cranking amp rating expresses the number of amperes a battery can deliver at 32°F (0°C) for 30 seconds and maintain at least 1.2 volts per cell. D. The reserve capacity rating expresses the number of amperes a fully charged battery at 80°F can supply before the battery’s voltage falls below 10.5 volts.
Of the various types of drain systems, open ditch systems are most practical and economical for use on:
A) soils which do not freeze during the winter. B) Vertisols. C) clay soils with poor drainage. D) soils with a deep water table. E) poorly drained soils with sandy profiles.
If the oil pressure warning lamp on a General Motors vehicle is on all the time, yet the engine oil pressure is normal, the problem could be ________
A) Defective (shorted) oil pressure sending unit (sensor) B) Defective (open) oil pressure sending unit (sensor) C) Wire shorted to ground between sending unit (sensor)and dash warning lamp D) Either A or C
An intermix system is a full set of paint pigments and solvents that can be mixed at the body shop.
Answer the following statement true (T) or false (F)