Alternative energy sources include _____
a. coal
b. petroleum
c. natural gas
d. nuclear energy
d
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What will be an ideal response?
The number of complete cycles that occur in one second is called the ____.
a. wavelength b. wave number c. period d. frequency
Connecting an ohmmeter to a live circuit usually results in damage to the meter.
Answer the following statement true (T) or false (F)
As a typical example of a bar mark number assigned to a reinforcing bar shown on poured-in-place concrete drawings, 4A1 indicates ____.
A. a quantity of 4, bar type A, and length 1, where 1 is matched to the general legend for the drawings B. a number 4 bar, type A, and quantity of 1 for this bar needed in the job C. a number 4 bar, type A, and it is the first length of bar used in the job D. the code for a particular bar type that is specified in the general legend for the drawings