The __________ junction of the thermocouple is considered the reference junction.
A. cold
B. hot
Answer: A
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In current quality management terminology, ____________________is defined as meeting or exceeding the customer's expectations.
Fill in the blank(s) with the appropriate word(s).
The most humiliating failure during the Iran hostage crisis came when
A. the militant Muslim Ayatollah Khomeini overthrew the Shah of Iran. B. the United States was exposed as trading arms to Iran for the freedom of hostages. C. President Carter's attempted mission to rescue the hostages ended in disaster. D. some of the U.S. hostages took the side of their Iranian captors. E. the Iranians demonstrated their ability to drive up American oil prices.
When a line duty overload protecting a motor detects an overload, it:
A) Breaks the power line to the house. B) Contacts the air conditioning service company using a dedicated communication link. C) Breaks the circuit to the coil of the contactor controlling the motor. D) Breaks the line voltage to the motor.
Which one of the following statements about troubleshooting ladder logic counter programs is NOT true?
A) Test counters starting with last in the sequence, and then add one counter at a time. Use the temporary end instruction, TND. B) If reset is present, verify that all counter driven functions are complete or reached the correct ACC value before the reset. C) Use the suspend instruction, SUS, to verify status values for all registers and bits at critical points in the ladder. D) Most difficult counter programs to verify have multiple cascaded counters and reset instructions.