What form or forms of nitrogen would you use for greenhouse crops in general?
What will be an ideal response?
A mixture of ammoniacal and nitrate nitrogen favoring nitrate is
generally best.
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Name the two most important items of information about the building you will need to determine its maximum allowable area and maximum allowable height.
What will be an ideal response?
What type of sensor measures temperature?
A) Potentiometer B) Transducer C) Thermistor D) Frequency generator
The raised, rectangular sheet metal frame that a rooftop unit rests on is called a
A) Curb B) Pad C) Fixture D) Frame
Which of the following statements is true?
A) Contract buying is useful for short term purchases. B) In contract buying, price and delivery are negotiated each time an order is released. C) Contract buying assures suppliers they have a given amount of business and commits them to allocating that amount of their capacity to the customer. D) EDI does not eliminate much of the paper work associated with buying.