What is the function of microorganisms in an aquaculture system?
What will be an ideal response?
They detoxify the fish waste products.
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What do some current engines use to assist closed crankcase ventilation (CCV) emissions?
A. gas-sealed crankcase B. electrostatic oil separator (EOS) C. oxidation catalyst D. HC reduction catalyst
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Cruise control systems use what type of actuator?
A) Vacuum motor B) Stepper motor C) Either A or B D) Neither A nor B
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Size of the spotted figures
A) 80'
B) 128'
C) 160'
D) 192'
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Springs are designed to expend energy for the purpose of pushing or pulling machine parts by reflex action into certain desired positions.
Answer the following statement true (T) or false (F)
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