Why do we now use lead-free (L-F) solder?
What will be an ideal response?
The concern is the electronics products that are disposed of in landfills. Acid rain can cause the lead to leach from the solder joints into the soil and down into the water table. This could contaminate the groundwater.
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____ ice is normally made in a vertical refrigerated cylinder surrounded by the evaporator on the outside.
A. Solid B. Cube C. Flake D. Chip
Explain why the testicles of most agricultural animals are suspended from the body and not inside the body cavity
What will be an ideal response?
A TAB technician determines that the total airflow leaving the supply registers is much lower than the amount of air the blower is moving. This indicates that:
A) There are leaks in the return-side ductwork. B) There are leaks in the supply-side ductwork. C) There is too much restriction in the return-side ductwork. D) There is too much restriction in the supply-side ductwork.
A coil of wire with current flowing through it is called a(n) ________
A) south pole B) capacitor C) north pole D) electromagnet