The ____________________ directs the shielding gas directly on the welding zone.
Fill in the blank(s) with the appropriate word(s).
cup or nozzle
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The field contactor opens ____ to the source of excitation.
a. the top line b. both lines c. the second line d. either of the two lines
________ is the gas essential for respiration in germinating seeds.
A) Ethylene B) Carbon dioxide C) Oxygen
You have 275 acres of soybeans with an expected yield of 45 bushels per acre. The combine, with a 25-foot reel, travels 3.8 miles per hour. The harvesting efficiency of the field is 0.80.
a. Calculate the harvesting capacity of the combine using the following formula: HC = (S ×W× EFF ×Y)÷8:25 Where: HC is the harvesting capacity, bu/hr. S is the combine speed, mph. W is the combine harvesting width, ft. EFF is the harvesting efficiency of the field. Y is the yield, bu/acre. b. How many bushels of soybeans do you expect? c. How many hours does it take to harvest the soybeans?
The graph in Fig. 1.33 represents the power drawn by an industrial plant between 8:00 and 8:30 A.M. Calculate the total energy in MWh consumed by the plant.
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