Antibiotics are used in aquaculture as a growth promoter
Indicate whether the statement is true or false
F
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Nitrogen at 100°C and 600 kPa expands in such a way that it can be approximated by a polytropic process with n = 1.2. The work if the final pressure is 100 kPa is nearest:
A) 128 kJ/kg B) 143 kJ/kg C) 171 kJ/kg D) 194 kJ/kg
Which type of thermostats provide the closest temperature control?
A) Mechanical line voltage thermostats B) Mechanical low voltage thermostats C) Electronic low voltage thermostats D) There is no difference in the ability of different thermostats to maintain close temperature control.
Which of the following best describes the normal logical operation of a NOR gate latch?
A) Inactive SET and CLEAR inputs = 1, active SET input = 0, active CLEAR input = 1 B) Inactive SET and CLEAR inputs = 1, active SET input = 1, active CLEAR input = 0 C) Inactive SET and CLEAR inputs = 0, active SET or CLEAR inputs = 1 D) Inactive SET and CLEAR inputs = 0, active SET or CLEAR inputs = 0
When using hand signals, always _____
A) stand on something at least two feet in height B) wear reflective gloves C) maintain eye contact with the operator D) make sure you can hear the backup alarm