Si el cilindro de acetileno está volcado, colóquelo en posición vertical y espere al menos _____ minutos antes de usarlo.

a. 10
b. 15
c. 30
d. 45


Answer: C

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The upper radiator hose collapses when the engine cools. What is the most likely cause?

A) A defective upper radiator hose B) A defective thermostat C) A defective pressure cap D) The spring is missing from the upper radiator hose which is used to keep it from collapsing

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The main source of air into a hydronic system is the ____________________.

Fill in the blank(s) with the appropriate word(s).

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DOT 4 brake fluid ________

A) Absorbs water vapor at a slower rate than DOT 3 B) Costs about twice as much as DOT 3 C) Both A and B D) Neither A nor B

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The time required for a sample and hold amplifier to sample its final value when the control voltage switches from its hold level to its sample level is called

A) droop B) aperture time C) feedthrough time D) acquisition time

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