A driver crosses the air lines when hooking up to an old trailer. What will happen?
a. The hand valve will apply the tractor brakes instead of the trailer brakes.
b. If the trailer has no spring brakes, you could drive away but you would not have trailer brakes.
c. The brake lights will come on when the brake pedal is pressed.
b. If the trailer has no spring brakes, you could drive away but you would not have trailer brakes.
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What is the amount of heat energy required to raise the temperature of 1 gram of water by 1 degree Celsius?
A) Calorie B) Velocity C) Temperature D) British thermal unit (BTU)
On a P&ID, a circle with the letters TI inside it is most likely a _____.
a. Texas Instruments PLC b. temperature indicator c. thermowell d. trouble indicator
Biologists once insisted that the _____ needed old-growth timber for survival
A) white-tailed deer B) wild turkey C) spotted owl D) red fox
The rotation of an ECM motor is determined by:
A) The internal motor wiring. B) The polarity of the power into the motor. C) The module program. D) The polarity of the start winding.