Stridulation is the _____

a. method used to determine the age of wild-caught hermit crabs
b. creation of sound caused by body parts that are rubbed together
c. distance that a hermit crab can travel in one hour
d. spacing of the leg pairs that helps determine hermit crab species


B

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Una temperatura excesiva de la bobina puede ser causada por todo lo siguiente EXCEPTO.

a. exceso de corriente. b. exceso de tensiĆ³n. c. un cortocircuito. d. un circuito abierto.

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What are the sides of the right triangle on the type of weld in the previous question called?

What will be an ideal response?

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Mechanical codes limit the amount of refrigerant a system can contain if it is located in an occupied space. Because VRF systems are connected to one large refrigerant network that would release the entire charge in case of a leak, some codes limit refrigerant 410A charge to ________ pounds per 1,000 cubic feet of space

A) 25 B) 50 C) 30 D) 15

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Figure P4.13 shows the voltage across a capacitor plotted as a function of time where:

vPK = 20V T = 40?s C = 680 nF
Determine and plot the waveform for the current through the capacitor as a function of time. How is the current affected by the discontinuities in slope in the voltage waveform?

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