Which of the following is NOT a common surface treatment for aluminum, trunk type pistons?
A. tin plating
B. anodizing
C. chrome plating
D. annealing
Answer: D
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A quota on cheese imports is a government policy
Indicate whether the statement is true or false
All electrical systems and cables need to maintain at least _________ of separation from the lightning protection system.
A. 2 ft B. 6 ft C. 20 ft D. 50 ft
Which of the following crop commodities is sometimes thought of as the invisible food product?
a. grains c. oil crops b. sugar crops d. tree fruits
Technician A says electronic leak detectors make a noise when a leak is detected. Technician B says that often the same leak detector can be used for R-12 and R 134a. Which technician is correct?
A) Technician A only B) Technician B only C) Both technicians A and B D) Neither technician A nor B