Explain how a product gets listed.
What will be an ideal response?
Product meets a set of designated standards set up by a Nationally Recognized Testing Laboratory.
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Which of the following valve types is NOT approved for use in a gas system?
a. ball b. gate c. butterfly d. plug
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In a step-down transformer with a 4.16kV primary delta connection and a 480/277V wye secondary, the transformer turns ratio is _____.
a. 5:1 b. 9:1 c. 11:1 d. 15:1
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Which component is used on FWD vehicles to support the engine and transmission?
A) Body mount B) Ladder frame C) Perimeter frame D) Cradle
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The finishing defect called ridging is also described as _____
a. picture framing b. eruption c. seaming d. furrowing
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