How does water in the greenhouse cooling pad cool the air passing through it?
What will be an ideal response?
Heat energy from the pad and air passing through it is absorbed by water
in the process of its change of state from liquid to gas.
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When installing grooved pipe couplings, the coupling housing halves are tightened together until _____.
a. they have a 1/8" gap between them b. the required bolt torque is reached c. there is a 1/4" gap between them d. they touch
Technician A says that when a load tilts after it is lifted, the tension increases on one sling leg and decreases on the other sling leg. Technician B says that if the load tilts, land the load and rig it again to equalize the load on each leg. Who is correct?
A. Technician A B. Technician B C. Both D. Neither
What is 208-volt, three-phase voltage used for?
What will be an ideal response?
When forming an isometric drawing, all horizontal planes are represented by a 40 angle, and vertical lines represent all vertical planes.
Answer the following statement true (T) or false (F)