Divide the following fractions and reduce to lowest terms:21 2/3 ÷ 1/5 =
Fill in the blank(s) with the appropriate word(s).
108 1/3
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In irrigating saline soil, the amount of water to be applied in excess of that needed to wet the root zone
of the plant is called the ____ requirement.
a. flooding b. saturation c. leaching
A six-pole, three-phase, 440-V, 60-Hz induction motor has the following model impedances:
RS = 0.8 ? XS = 0.7 ? RR = 0.3 ? XR = 0.7 ? Xm = 35 ? Calculate the input current and power factor of the motor for a speed of 1,200 r/min.
Answer the following statement(s) true (T) or false (F)
1. The desired back fat thickness in lambs is far more than that desired in swine and cattle. 2. Small-framed, light-muscled lambs will tend to be too fat. 3. Stale sheep will feel rigid or sharp through the shoulder. 4. When judging market sheep, fat sheep should be placed at the top of the class. 5. For economical gains, lambs should be from average to large frame size.
Why is a visual check of the heating strips on an electric furnace difficult to accomplish?
A) It is not safe to look at an operating strip heater without wearing protective radiant reflecting headgear made specifically for safe viewing. B) Electric strip heaters are complex devices. C) It is difficult to spot a break in a strip heater because of the small size wire used. D) The heaters cannot be seen without removing them from the furnace.