The metals most often used in a bimetal temperature control are ____.
A. copper and brass
B. copper and steel
C. brass and steel
D. brass and aluminum
Answer: C
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En la Figura 4, el interruptor de refuerzo de la correa ZS108A está conectado a la caja de empalmes JB108 por el cable:
a. C108H. b. C108J. c. C108K. d. C108G.
Alternating current reaches a peak at ____________________ electrical degrees, also known as the peak voltage.
Fill in the blank(s) with the appropriate word(s).
Cavitation in a water control valve can be caused by
A) installing the control upstream of the coil instead of downstream B) extremely low pressure drop through the valve C) installing the control downstream of the coil instead of upstream D) excessively high pressure drop through the valve
When brazing very small joints or thin metal, the type of flame used in order to prevent the base metal from
melting is a(n) _____. a. carburizing flame b. neutral flame c. oxidizing flame d. non-feathering flame