When material bends, there is ____ on the inside of the bend and ____ on the outside.
A. stretching, compression
B. compression; bending
C. compression; stretching
D. bending; stretching
E. none of the above
Answer: C
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Which of the following operates at the highest temperatures?
A. exhaust valves B. intake valves C. solid lifters D. rockers
A scan tool can be used to help diagnose charging system problems on most modern vehicles.
Answer the following statement true (T) or false (F)
Why is AC instead of DC power transmitted to buildings?
A) It is easier to step the voltage up and down with AC power. B) Normal household lights will not work on DC power. C) Since AC power goes both ways, it can redistribute power that is not used. D) DC power would require giant batteries.
Technician "A" says that a cooling tower can reduce the temperature of the water supplied to the condensers to a temperature equal to, but not less than, the wet-bulb temperature of the ambient air. Technician "B" says that a cooling tower's approach temperature is the temperature of the water returning from the water cooled condensers. Which of the following statements is correct?
A. Technician "A" is correct. Technician "B" is correct. B. Technician "A" is correct. Technician "B" is incorrect. C. Technician "A" is incorrect. Technician "B" is correct. D. Technician "A" is incorrect. Technician "B" is incorrect.