Which of the following is the symbol for an eductor?
A. 
B. 
C. 
D. 
A. Incorrect. This is the symbol for a mixer.
B. Correct. This is the symbol for an eductor.
C. Incorrect. This is the symbol for a hydrocyclone.
D. Incorrect. This is the symbol for a centrifuge.
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In an inductive AC circuit, when the applied voltage is at its maximum negative value, the current is _____.
a. zero b. increasing toward maximum positive c. at the maximum negative value d. at the maximum positive value
The undigested and/or unabsorbed materials voided by an animal are called:
a. urine c. feces b. urea or uric acid d. none of these
Trailing shoes generally wear at a faster rate than leading shoes
Indicate whether the statement is true or false
____ requires large amounts of energy to produce, so green builders may wish to lower the embodied energy in a structure by reducing the amount of concrete in a foundation as well as the amount of cement in the concrete mix.
A. Limestone B. Silica C. Slag D. Portland cement