. Research has shown that in free-access gestation stall systems, a sow will rest and eat in a particular
stall about _____ percent of the time, and sows will stay in the gestation stalls over _____ percent of
the day.
a. 50, 50 c. 90, 90
b. 25, 90 d. 75, 75
C
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Like the cellular system, the IEEE 802.11 wireless LANs also have “beacon signals.” Search for an IEEE 802.11 specification online and find out what information is included in a beacon signal.
What will be an ideal response?
Type ____ Portland cement is used only in concrete that is exposed to severe sulfate conditions.
A. IIA B. III C. IV D. V
Answer the following statement(s) true (T) or false (F)
1. Overload units are designed to help energize a motor that is building up excessive heat. 2. Overload units are designed with an inverse time-delay function. 3. The most common type of overload unit is the electronic overload unit. 4. Thermal overload units conduct the motor load current through heater elements.
?What may need to be done to the root surface of a weld that is prepared on both sides before the next weld pass(es)?
A. ?ground or gouged clean B. ?sanded smooth C. ?Re-tack welded D. ?Nothing, it will be on the back anyway