What is the most common range for minimum velocities in a horizontal line carrying refrigerant vapor?
What will be an ideal response?
Although the minimum velocity varies by refrigerant, pipe size, and temperature, generally accepted minimum velocities in horizontal sections of refrigerant piping are 500 – 750 feet per minute.
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The ____ is a filler metal that is fused into the root of the joint and becomes a part of the weld.
A. insert B. consumed insert C. sacrificial insert D. consumable insert
A ____________________ animal is an animal of a particular breed possessing characteristics of that
breed.
Fill in the blank(s) with the appropriate word(s).Globally, pork and poultry production is increasing faster than beef production
Indicate whether the statement is true or false
_____ scientists work to increase the yield of crops by improving farming methods and developing new plant strains
a. Field c. Animal b. Forest d. Crop