Name three of the four characteristics used in rating DC motors.
What will be an ideal response?
DC motors are rated by their voltage, current, speed, and horsepower output.
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Elevation changes in the land prior to rough grading are usually depicted by ____________________ contour lines, while ____________________ lines present the finish grade.
Fill in the blank(s) with the appropriate word(s).
Which of the following operating conditions is more likely to cause a diesel engine, catalytic converter to plug?
A. light load, cold temperature operation B. high load, lugdown C. light load, rated speed operation D. high load, operation in torque rise
Even in a detailed drawing of a bevel gear, simplified representations are used, so in the circular view, the outside diameter and the root diameter are shown as centerlines, and the pitch diameter is shown as a phantom line.
Answer the following statement true (T) or false (F)
A good reading for a cylinder leakage test would be ________
A) All cylinders above 70% leakage and within 7% of each other B) Within 20% leakage between cylinders C) All cylinders below 20% leakage D) All cylinders above 20% leakage