An ____ diaphragm valve is used to prevent overheating.
A. air-to-open
B. air-to-close
Answer: A
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Answer the following statement(s) true (T) or false (F)
1. Circuits with capacitance or inductance are called reactive circuits, and the total opposition to current flow is called impedance (Z). 2. An R-C circuit consists of resistance and inductance. 3. True power is used in resistive components and is measured in amperes. 4. In a purely capacitive AC circuit, all of the energy is stored in the capacitor during part of the cycle and then returned to the circuit during another part of the cycle. 5. When resistance and inductance are both in a circuit, the phase between voltage and current is less than 90 degrees.
The food chain of land animals begins with the:
a. Grass c. Soil b. Insects d. Fruits and vegetables
Ancient Egyptians made a form of paper called ____________________
Fill in the blank(s) with correct word
Which of the following responses to the informal communication system in an organization
would be of little value to the manager?
a. Determining who the key people are b. Trying to get information from it c. Testing employee reactions to various things d. Attempting to control the kind of information in it e. Attempting to eliminate it