Higher shielding gas flow rates are required with _____
a. welds in deep grooves
b. low welding currents
c. slow advance speeds
d. larger nozzles
d
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What is the difference between a heat recovery ventilator (HRV) and an energy recovery ventilator (ERV)?
a. The ERV can dehumidify in the cooling mode. b. The HRV can act as a humidifier in the heating mode. c. The ERV has a durable metal core. d. The HRV cannot be used in very cold climates.
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What is capacitive reactance?
What will be an ideal response?
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Chinchilla housing should have _____
a. a single level b. ladders c. different levels with platforms d. several hours of direct sunlight
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What are some possible benefits of rangeland burning?
What will be an ideal response?
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