If a helix was straightened out, it would resemble a:
a. shallow bowl c. ladder
b. garden hose d. picture frame
C
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These gears have their teeth cut at an angle that allows more than one tooth to be in contact, and they carry more load and are quieter than equally sized spur gears.
a. bevel gear b. helical gear c. spur gear d. worm gear
The means of bonding to wire mesh or conductive elements in agricultural buildings shall be by ____ or clamps of brass, copper, copper alloy, or an equally substantial approved means.
A. pressure connectors B. standard solders C. copper-based welds D. aluminum welds
When should the engine oil be replaced?
A) Every 3,000 miles regardless of time B) According to the vehicle manufacturer's recommended interval based on time and mileage, whichever occurs first C) Every three months, regardless of miles D) All of the above
What condition will refrigerant not be in when it reaches the receiver-drier?
A. High pressure liquid B. Low pressure liquid C. Superheated vapor D. Sub cooled liquid