Which one of the following statements about addressing modes is NOT true?
A) Addressing mode describes the relationship between the operands and the data.
B) An addressing mode is the technique used by the PLC processor to select or point to the data that is used in an instruction.
C) The addressing mode is determined by how you specify the instruction's destination address.
D) The addressing mode is established at the time the ladder logic is developed.
C
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Which of the following piston types is likely to be cam ground?
A. aluminum trunk B. two piece crosshead C. two piece articulating D. ceramic headland
Answer the following statement(s) true (T) or false (F)
1. Peak flow at system fixtures considers the duration of use, frequency of each use, and the rate of water required. 2. Hot water sizing is conducted in the same way as cold. 3. Cost considerations will not affect the performance of the water supply system. 4. Uniform pressure loss considers that friction will result in a non-uniform pressure loss throughout the piping system. 5. Pressure is a function of the weight and height of water.
The term "labeled" means that ____.
A. equipment or material must continue to comply with the appropriate standards (or performance) under which the labeling was granted B. equipment, materials, or services meet appropriate designated standards or have been tested and found suitable for a specified purpose C. equipment or material complies with discretionary standards as listed in the NEC® D. equipment or material is labeled for sale to general or subcontractors
Which of the following is responsible for shifting the position of the sliding cylinder?
A) condensation B) refrigerant C) pressure D) gravity