If the airflow across the heat exchanger is reduced, the stack temperature will be __________.
A. higher
B. lower
C. the same
Answer: A
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The speed of a DC motor that requires a constant torque is controlled by adjusting the __________.
A. field current and keeping the armature voltage constant B. armature voltage and keeping the field current constant C. armature voltage and the field current
How can quality be defined?
A) A product or service that has a competitive edge B) A product or service free of deficiencies C) A product or service that will satisfy some needs D) A product or service that reduces waste
When an engine is running, the alternator converts:
A. Mechanical energy to electrical energy B. Electrical energy to mechanical energy C. Chemical energy to electrical energy D. Thermal energy to mechanical energy
A die is a machine tool used for cutting internal threads.
Answer the following statement true (T) or false (F)