What is brass? Bronze? How do their properties differ?
What will be an ideal response?
Brass is a mixture of zinc and copper. It is used in devices, such as musical instruments, that require a hard,
noncorrosive alloy. Bronze is a mixture of tin and copper. It is used to coat other metals to prevent corrosion
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State whether actual (A) or estimated (E) costs are more likely to be used to carry out the following activities: calculate taxes, make bids, pay bonuses, determine profit or loss, predict sales, set prices, evaluate proposals, distribute resources, plan production, and set goals.
What will be an ideal response?
A meter is set to read DC volts on the 4-volt scale. The meter leads are connected at a 12-volt battery. The display will read ___________
A) OL B) 0.012V C) 12V D) 0.00
One reason why oxygen should not be used to blow off a welder's clothing is because _____
a. oxygen is flammable and can remain trapped in the fabric b. even a regulator cannot reduce the pressure enough c. pure oxygen breaks down the fabric rapidly d. pure oxygen is toxic and damages the lungs
Carry the answer to four decimal places. What is the difference in diameters between 13 wire and number 15 wire?
Fill in the blank(s) with the appropriate word(s).