An accelerometer in a CCR system contains what type of switch?
What will be an ideal response?
An accelerometer contains a mercury switch.
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The number of inputs to an N-input AND gate in an efficient Mod-1000 counter is N=____.
Fill in the blank(s) with the appropriate word(s).
Technician A says that all air compressors are gear driven. Technician B says that air driers remove moisture and contaminants from the air system. Who is correct?
A. Technician A B. Technician B C. Both D. Neither
Answer the following statement(s) true (T) or false (F)
1. Diesel, gasoline, or natural gas engine-driven generators are most commonly used to provide another source of emergency or standby power when normal utility power fails. 2. The transfer switch may not be located outdoors. 3. The basic UPS system includes an electronic section that takes the normal line power and converts it to AC power to act as a battery charger. 4. Steam heat, as a waste byproduct of manufacturing processes, is now harnessed and used to turn steam turbine electric alternators. 5. As the energy-saving application of cogeneration results in less demand for electrical work, there are fewer jobs for electricians.
Which of the following remains constant during condensation?
A) Density B) Enthalpy C) Temperature D) Volume