What is slag and what is it used for?
What will be an ideal response?
Slag is the waste product from the manufacturing of steel. It is used as lightweight aggregate, slag wool, and as raw material for the manufacturing of Portland cement.
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A brand can be all of the following except:
A. A mechanism by which ventures differentiate themselves B. The perceived worthiness of the product C. A way for buyers to identify sellers D. A sign or symbol
In a cascade system, the condensing refrigerant in one stage is used to evaporate the refrigerant in another stage.
Answer the following statement true (T) or false (F)
The op amp is an important solid-state device because it ________
A) can provide a negative firing pulse to the gate of an SCR B) can be used as a seven-segment display for numbers C) can amplify very small signals from thermocouples and RTDs to larger voltages and currents
Select the lifting techniques that will reduce the possibility of injury from lifting a heavy item? Select all that apply
A) Lift slowly B) Use your leg muscles to do the work C) Use your back muscles to do the work D) Keep your back as straight as possible E) Keep your knees as straight as possible F) Lift quickly G) Keep the load close to your body