Explain how microfilm is used for the storage of drawings and blueprints.

What will be an ideal response?


Microfilm has been one of the most widely used procedures for many years and is still used in some places today. In this method, a greatly reduced photographic reproduction is made on film and then mounted into cardboard aperture cards. These cards are easy to file and keep track of. Many feel that they are also more durable.

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The minimum power needed to drive an insulated air compressor that increases the pressure from 120 kPa to 600 kPa if T1 = 20°C and m???? = 2 kg/s is nearest:

A) 190 kW B) 245 kW C) 307 kW D) 342 kW

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Breed association records keep data regarding the daughters of bulls in their sire summary. This

information is referred to as ____________________.

Fill in the blank(s) with the appropriate word(s).

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In order for a fire to exist, what component(s) must be present?

A. fuel, heat, and oxygen B. fuel, carbon, and nitrogen C. air, heat, and charcoal D. fuel, heat, and smoke

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What is the average productive life of a dairy cow?

A. Greater than 10 years B. 1-2 years C. 3-4 years D. 5-6 years

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