Two technicians are discussing hydraulic theory. Technician A says that liquids cannot be compressed and make ideal transmitting agents when contained in sealed systems. Technician B says that when pressurized, the temperature of liquids increase. Who is correct?

A. A only
B. B only
C. Both A and B
D. Neither A nor B


Answer: C

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Name at least three common fuel gas piping errors.

What will be an ideal response?

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Answer the following statement(s) true (T) or false (F)

1. The scrotum in bulls should be loose and long. 2. High testicle temperatures are ideal for sperm production. 3. In a structurally correct cow, a plumb line from pins to ground on the back legs intersects with the hocks. 4. When viewed from the rear, a cow’s back legs should be slightly splayed. 5. All cattle are slightly splayed in the front.

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When welding with GTAW in a cross draft situation, better shielding is provided by _____

a. argon b. helium c. hydrogen d. carbon dioxide

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The internal resistance of any meter is only effective if the meter is set on the ________ scales

A) Ohmmeter
B) Ammeter
C) Voltmeter
D) None of these

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