Oil is found in the air filter housing. Which of the following conditions could be the cause?
A. Worn piston rings
B. Worn valve guide seals
C. Clogged PCV valve
D. Both A and C
Answer: D
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A ____ roof is a roof that features highly reflective materials.
A. cool B. green C. white D. gray
A circulating pump in a solar collector system needs to be replaced. Pump cost: $327.00. Replacement tubing: 8 ft. at $2.89 per ft. 3
? hours of labor at $53.00 per hour. What is the total cost of the repair?
Fill in the blank(s) with the appropriate word(s).
It is the supervisor's job to learn and employ correct motivational skills, the most important of which is _____.
a. good communications b. correct training methods c. positive thinking d. setting a good example
On earth floors in stalls, remove _____ to _____ inches of soil each year and replace it with clean soil
a. 3, 6 c. 10, 12 b. 8, 10 d. 12,16