A taillight bulb is glowing dimly. A voltmeter placed across the bulb reads 4 volts. Technician A says there may be excessive resistance in the ground circuit. Technician B says there may be excessive resistance in the power feed circuit. Who is correct?
A. Technician A only
B. Technician B only
C. Both A and B
D. Neither A nor B
Answer: C
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A. Opportunity B. Breadth C. Importance D. Radicalness
Which of the following describes a process in which the entropy of the system would increase?
A. The system is a turbine and its contents. The turbine is adiabatic and operates at steady state, but is irreversible. B. The system is a gas that is isothermally compressed from 0.1 MPa to 0.5 MPa. C. The system is a gas that is isobarically cooled from 423.15 K to 373.15 K. D. The system is an ideal gas that is isothermally expanded to twice its original volume. E. All of the above.
Which gas indicates efficiency? (The higher the level of this gas, the more efficient the engine is operating.)
A) HC B) CO C) CO2 D) O2
What is a special type of motor designed to operate with the rotor stalled without damage to the motor?
A. servo motor B. torque motor C. ?repulsion motor D. ?capacitor-start capacitor-run motor