ASE-Style Multiple Choice
All of the following represent the type of extinguisher that should be used in a class A fire EXCEPT:
A. purple K dry chemical
B. water
C. foam
D. multipurpose dry chemical
Answer: A
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Two straight lines can intersect at only one point.
Answer the following statement true (T) or false (F)
A two-stage amplifier in Fig. 19.134 contains two identical stages with  figure 1.png)
If ZL = 20 k?, find the required value of VS to produce V= 16 V.
 figure 1.png)
How does air from air conditioning vents affect open display cases?
A) It improves their performance by lowering the temperature of the air surrounding the display case. B) Open display cases are not affected by external air sources because of their engineered air baffles. C) Open display cases are not affected by external air sources because of their powerful built in air curtains. D) It disrupts the case's air curtain, causing them to rise in temperature.
When lifting an object, _____
a. bend over as far as possible b. lift with your legs, not your back c. use mostly your arm muscles d. raise the load as quickly as possible