Nick-break testing is commonly used to _____
a. test pipeline welds for defects
b. test fillet welds
c. perform tensile tests
d. check welds for break strength
a
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The welding symbol can be incorporated on the drawing within one extension line or two centerlines.
Answer the following statement true (T) or false (F)
The ____________________ of a substance is a statement of how well the substance supports combustion.
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.
Circuit breakers are grouped for identification according to _____
A) solid-state circuitry B) normal ambient temperatures C) given current ranges D) line and load terminals