Answer the following statement(s) true (T) or false (F)
1. MCRs are often used with circuits that have off-delay timers so the circuit can be shut down completely without waiting for the timers to time out.
2. An MCR zone can be nested within another MCR zone.
3. The jump instruction (JMP) tells the processor to jump over a portion of the program.
4. Jumping backward does not add to the total scan time.
5. The one-shot instruction (ONS) is an input instruction that makes the rung true for just one program scan, based on a false-to-true transition of the instruction that precedes the one-shot instruction.
1. True
2. False
3. True
4. False
5. True
You might also like to view...
In which cladding system is it easy to provide surface ornamentation, such as carved window sills, ornamental roof cornices and parapets, corner quoins, etc.?
What will be an ideal response?
Answer the following statement(s) true (T) or false (F)
1. A nonconductive optical fiber cable for general-purpose use is marked as Type OFC. 2. The width of the cable tray is equal to the difference between the diameters of the cables. 3. Cable trays containing conductors that operate at over 600 volts are to be clearly marked at regular intervals to indicate that the contents are high-voltage cables. The specific marking is to state “Danger – High Voltage – Keep Away” 4. A single solid aluminum conductor not smaller than 250 kcmil is permitted in the cable, or the conductor is permitted to be formed using up to nineteen 250-kcmil solid aluminum rods laid parallel. 5. A welder is not to be considered as a separately derived premises system.
Troubleshooting Reach-In / Low Temp - Diagnosis: Low on refrigerant
The weight of 95 pieces of 3-foot by 8-foot sheet metal is 760 pounds. Find the weight of one sheet in pounds.
Fill in the blank(s) with the appropriate word(s).