A reliable sign that a cow is in estrus is she will allow other cows to mount her
Indicate whether this statement is true or false.
TRUE
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If the thermal bulb assembly develops a leak, what will occur?
A. All of the system's refrigerant will leak out. B. The bulb pressure will reduce and the valve will close. C. The valve will open to allow more refrigerant to flow. D. It will have no effect on system operation.
Which of the following allows air-to-water systems to run more efficiently than air-to-air systems?
A) Cold temperatures are an optimal environment. B) Auxiliary heat is not needed as much. C) Supplemental heat is energized all the time. D) They do not need to be defrosted.
In a master-slave system, the output of the slave network must precisely follow the output of the master network.
Answer the following statement true (T) or false (F)
The subsequent problems deal with the following PIC circuit, where the PORTB pins are attached directly up to the individual segments of a 7-segment LED display as shown. (Note - All seven segments "a"-"g" are wired as shown for segment "g," with a pull-up resistor to 5V.) Assume the PORTB pins are declared as outputs.
Which of the following statements would make a "2" appear on the LED display?
A. PORTB = %00000010 B. PORTB = %00010010 C. PORTB = %01000000 D. PORTB = %11101101 E. PORTB = %11111101