The National Comfort Institute recently reported that approximately __________of air conditioning systems are operating at less than maximum efficiency

A. 10%
B. 45%
C. 57%
D. 70%


Answer: C

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All of the following statements about gas-filled shock absorbers and struts are true EXCEPT:

A. Gas-filled shock absorbers and struts have an identification label B. New gas-filled shock absorbers or struts are wired in the compressed position C. A gas-filled shock absorber or strut provides continuous damping action with very little wheel movement D. A hydrogen gas charge is used in most shock absorbers and struts

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A motor generator set is a DC motor driving a(n) ____.

a. rectifier b. AC alternator c. bridge rectifier d. inverter

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In beef and lamb, it takes approximately ___ to ___ hours for rigor mortis to set in

a. 0, 1 c. 4, 5 b. 1, 3 d. 6, 12

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An 8-bit counter is wired as follows: The CLK input to the first stage (LSB) is the system clock. Each stage's output is used as the CLK input to the next higher stage. This counter is a:

A) MOD 128 ripple counter. B) MOD 256 synchronous counter. C) MOD 128 synchronous counter. D) MOD 256 ripple counter.

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