What is a blackbody? How do real bodies differ from blackbodies?
What will be an ideal response?
A blackbody is an idealized body which emits the maximum amount of radiation at a given temperature and which absorbs all the radiation incident on it. Real bodies emit and absorb less radiation than a blackbody at the same temperature.
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The best way to check the efficiency of individual cylinders is:
A. Five gas analysis B. A compression test C. A vacuum test D. A power balance test
?Technician A says that an oil filter used in a bypass system can filter out smaller particles from the oil than a full-flow system. Technician B says that a full-flow filter that is mounted in a horizontal or inverted position requires an antidrainback valve. Who is right?
A. ?Technician A only B. ?Technician B only C. ?Both A and B D. ?Neither A nor B
A ____________________ is a combination of seed from cultivars of the same species
Fill in the blank(s) with correct word
Cut flower coolers must have high relative humidity levels to keep flowers from desiccating (drying
out). A relative humidity of about ____ is optimal in a cut flower cooler.
a. 70% c. 90% b. 80% d. 98%