The key to the operation of a crystal is the
A) Wien effect B) capacitive effect C) photoelectric effect D) piezoelectric effect
D
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The three major food (storage) reserves in seeds are ________, ________, and ________.
Fill in the blank(s) with the appropriate word(s).
Which group has developed themost widely used numbering and lettering system for filler metal identification?
A. AWS B. AISI C. ASTM D. ?NEMA
Technician A says that if a PCV valve rattles, then it is okay and does not need to be replaced. Technician B says that if a PCV valve does not rattle, it should be replaced. Which technician is correct?
A) Technician A only B) Technician B only C) Both technicians D) Neither technician
If the time base of a timer is 0.01 and the preset value is at 200, how many seconds will expire before the accumulated value equals the PR value?
A. 200 seconds B. 20 seconds C. 2 seconds D. 2 tenths of a second