A signal source measures 90dB at 1m. Calculate the decibel loss at 7m.
Fill in the blank(s) with the appropriate word(s).
16.9 dB
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Answer the following statement(s) true (T) or false (F)
1. Indexes are most useful when the study groups are small. 2. EPD data help predict the differences that can be expected between the offspring of a particular dame or sire and other offspring. 3. The data for calculating EPD data are obtained from the performance data of the progeny from animals of the same breed. 4. A large EPD is always better. 5. In a performance class, the best animal according to the performance data is always the top-placed
A group of conductors that fit into one conduit may not fit into another type because the ____ of different types of conduit vary.
A. interfaces B. spacing requirements C. internal diameters D. carrying capacity
The breeding period for cats is controlled by the number of daylight hours.
Answer the following statement true (T) or false (F)
3,600 รท 40 =
A) 9 B) 900 C) 99 D) 90