When the center of a front wheel viewed from the side is tilted rearward from the true vertical center of the wheel, this alignment angle referred to as:
A. Positive camber
B. Negative camber
C. Positive scrub radius
D. Positive caster
Answer: D
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The compressor in an existing split system is being replaced. The system has a 35 ft line set. The factory charge for the condensing unit is 80 oz. The installation instructions state that the factory charge assumes a line length of 15 ft and gives the per-ft adjustment as 0.6 oz per foot. How much refrigerant should be added to the system after the system has been evacuated?
A) (35 — 15 ) × 0.6 = 12 oz B) 80 oz + (35 × 0.6 ) = 101 oz C) 80 oz D) 80 oz + ((35 — 15 ) × 0.6 ) = 92 oz
To ensure critical steps are not missed in an IAQ test procedure, the technician should:
A) Use an IAQ checklist. B) Record all readings both electronically and on paper. C) Use an electronic IAQ meter with integral prompts. D) Take all readings twice.
A quarter horse is designated as having a _____ body.
Fill in the blank(s) with the appropriate word(s).
Technician A says that the exhaust system can be checked for restriction by using a vacuum gauge attached to manifold vacuum and operating the engine at idle speed. Technician B says the exhaust is restricted if the vacuum increases at 2,000 RPM. Which technician is correct?
a. Technician A only b. Technician B only c. Both Technicians A and B d. Neither Technician A nor B