____________________ blows mixtures of water, finely chopped straw, and seed over disturbed
areas.
Fill in the blank(s) with the appropriate word(s).
ANS: Hydromulching
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In an industrial environment where intense magnetic fields and large voltage spikes abound, it is easy to lose the ____________________ in the electrical noise.
Fill in the blank(s) with the appropriate word(s).
The basic purpose of switchgear is to _____.
a. provide protective grounding for equipment b. provide power system protection by automatically isolating faulty components c. provide a grounding system for AC systems between 50V and 1,000V d. insulate conductors from hazardous atmospheres
When multiconductor cables of different sizes are placed in a cable tray together, the method of determining the width of the cable tray required depends upon the ____________________ of the conductors in the cables.
What will be an ideal response?
Answer the following statement(s) true (T) or false (F)
1. Thermal energy transfer occurs whenever there exists a temperature difference within an object, or whenever there is a temperature difference between two bodies, or a temperature difference between a body and its surroundings. 2. The U.S. natural gas transportation network consists of 1.5 million miles of mainline and secondary pipelines. 3. Solar energy starts with the sun at an average distance of 93 million miles from earth. The sun is a nuclear fusion reactor, with its surface temperature at approximately 10,000° F (5500° C). 4. A direct passive solar system uses large glass areas on the south wall of a building and a thermal mass to collect the solar energy.