__________ substances can, when allowed to mix or come into contact with other substances, create harmful gases or start a fire.
Reactive
Torx heads use a _______________-sided star-shaped driver.
Six
With _____ measurement, technicians use tools such as micrometers, dial calipers, and dial indicators.
Precision
The first _____ numbers of the tire size are the width of the tire, sidewall to sidewall, in millimeters.
Three
Coolant level can often be checked by looking at the ______.
Expansion Tank
A high concentration of undesirable vapors, gases, or dust can be classified as a
Chemical Hazard
Which type of nut is common on steering and suspension components?
Castle
A straightedge and feeler gauge are used to measure_____.
Warpage
Which term describes the position of the mounting surface compared to the center of the wheel depth?
Wheel offset.
Universal coolants are available in full strength and premixed _______ solutions.
50/50
A class A fire extinguisher can be used on what type of fires?
Plastic
If the number 8.8 is stamped on the head of a bolt, the bolt is a ______ bolt.
Metric
What type of energy is developed at the engine crankshaft?
Mechanical
____________ tires means removing the wheels and tires from their current location and moving them to another corner of the vehicle.
Rotating
The W in 10W-30 viscosity oil stands for _______.
Winter
What type of gloves protects your skin from fuels and solvents.
Nitrile.
A metric bolt is identified as M10 x 1.50 x 60. What does the 1.50 indicate?
Bolt thread pitch.
_________, a form of air pollution, is caused by chemical reactions between exhaust emissions and sunlight.
Smog
Underinflation or lack of rotation causes excessive wear on the ________ of the tread.
Shoulders
The washer fluid reservoir often has a _____ cap to help identify it as the washer fluid.
Blue
What is the most serious type of burn?
Third degree
____________________, as it is applied to tightening nuts and bolts, is the amount of twisting force applied over distance.
Torque
The amount of side-to-side variation of an object is called ______ runout.
Lateral
Which of the following exists if the wheel and/or tire are out-of-round?
Radial runout
Ethylene glycol antifreeze _________.
A. is the base product for all OE coolants.
B. is not used as the factory fill in modern vehicles.
C. contains silicates and phosphates.
D. all answers are correct.
D