Draw a schematic diagram of a highway bridge over a river. Identify any mechanisms which may cause mass or energy to flow into or out of the system of the bridge.
What will be an ideal response?
Potential Mechanisms: Mass – portions of the bridge falling off
Energy – Heating from friction from vehicle tires
Heating from sun
Cooling from wind flowing over the bridge
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Functional analysis involves answering questions to determine the purpose of each part and how it interacts with the other parts.
Answer the following statement true (T) or false (F)
Technician Asays a master cylinder can only leak internally. Technician B says a master cylinder can only leak externally. Who is correct?
A. A only B. B only C. Both A and B D. Neither A nor B
A series circuit has two resistors that dissipate 10 W and 15 W, respectively. What is the total power dissipation of the circuit?
A. 10 W B. 5 W C. 25 W D. 15 W
____ are the best known of the thyristors.
A. SCRs B. TRIACs C. DIACs D. JFETs