The major reasons for false indications in dye penetrant tests are rough, irregular surfaces of the test metal and failure to _____
A) highlight the cracks properly B) apply the penetrant correctly
C) draw the penetrant out of the sample D) stain properly
B
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Answer the following statement(s) true (T) or false (F)
1. According to the National Electrical Code®, the AHJ must personally conduct or witness an emergency system test and verify its functionality in writing before using the system. 2. A capacitor is used to remove unwanted ripple from the output of a rectifier and will maintain a constant voltage regulation. 3. When transporting power over long distances, DC remains the best choice. 4. A rectifier converts AC into pulsating DC. 5. According to the National Electrical Code®, all boxes and enclosures containing emergency systems must be clearly and permanently marked to indicate the presence of emergency circuits or systems.
The difference between the liquid and plastic limits of a soil is ________
A) that one is applicable to natural soils the other to artificial growth media B) that one is a moisture variable while the other is a density variable C) greater than the difference between the solid and liquid limits D) the plasticity index E) none of the above
What controls the length of the defrost cycle on most commercial refrigeration systems?
A) The defrost timer B) The high pressure switch C) The defrost termination thermostat D) The evaporator fan motor
The first member selected for a benchmarking team should be a process owner.