What does the term bobtailing mean?
A. Driving any truck unloaded
B. Driving a truck-train combination
C. Driving a tractor uncoupled from a trailer
D. Driving by weaving in and out of lanes
Answer: C
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What component of an internal combustion engine is located at the top of each cylinder and opens to allow fuel gases to enter the cylinder?
A. Intake port B. Intake valves C. Exhaust port D. Crankshaft
Which unit measures the potential difference in a circuit?
A. Amp B. Volt C. Ohm D. Watt
In binary multiplication, 1 × 1 = ________
A) 0 B) 1 with a carry of 1 C) 0 with a carry of 1 D) 1
In a four stroke cycle diesel engine, when is fuel injected into the cylinder?
A. At the end of the compression stroke and the beginning of the power stroke. B. During the compression and exhaust strokes . C. Only when the piston is at TDC in the compression stroke. D. Only during the power stroke.