Differentiate between active and passive immunity
What will be an ideal response?
Active immunity means that the animal is more or less permanently immune to disease. Passive immunity means that the animal is only temporarily immune.
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Which statement is true about thermostats?
A) The temperature marked on the thermostat is the temperature at which the thermostat should be fully open B) Thermostats often cause overheating C) The temperature marked on the thermostat is a temperature at which the thermostat should start to open. D) Both A and B
A dead short to ground is usually a bare conductor touching directly against the vehicle frame.
Answer the following statement true (T) or false (F)
Male goats are castrated at 8 to 10 weeks of age.
Indicate whether the statement is true or false.
An air-cooled R-12 refrigeration system is operating normally with a suction pressure of 25 psig and a head pressure of 136 psig. Which of the following represents a possible set of operating pressures if the condenser fan motor burns out?
A. high side 136 psig, low side 25 psig B. high side 100 psig, low side 15 psig C. high side 200 psig, low side 20 psig D. high side 180 psig, low side 35 psig