On the pipeline, fail-safe ________ are important safety factors
A) cylinders B) valves C) pistons D) springs
B
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Todos los cables de multiconductores de más de 600V (excepto cable de Tipo MC) deben separarse mediante un divisor sólido de cables de valor nominal inferior a:
a. 240V. b. 480V. c. 600V. d. 1.000V.
?Technician A says high current is caused by high resistance. Technician B says a short to ground can occur internally within a component. Who is correct?
A. ?A only B. ?B only C. ?Both A and B D. ?Neither A nor B
Wood filling materials work well only in holes where dowels or nails are set below the surface, or
where a puncture or blemish is small in diameter.
Indicate whether the statement is true or false.To lubricate by means of sinking the part to be lubricated into the lubrication is referred to as the ____ method of lubrication.
A. wick B. drip C. submersion D. drowning