Technician A says that copper jumper cables are better than aluminum jumper cables. Technician B says that aluminum jumper cables are better than copper jumper cables. Which technician is correct?
A) Technician A only B) Technician B only C) Both technicians D) Neither technician
A
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E85 means that the fuel is made from ______
A) 85% ethanol and 15% gasoline B) Ethanol that has 15% water C) Pure ethyl alcohol D) 85% gasoline and 15% ethanol
How do mixing valves save energy?
A) by reusing loop water for domestic hot water B) by maintaining a hot loop regardless of outdoor temperature C) by mixing costly boiler water with inexpensive domestic hot water D) by delivering only enough heat to the loop to meet the load
Technician A says that as much as 50% of the air needed by the engine at idle speed flows through the PCV (positive crankcase ventilation) system. Technician B says that PCV tests include the rattle test, card test, snap-back test, and crankcase vacuum test. Which technician is correct?
A) Technician A B) Technician B C) Both technicians D) Neither technician
Using the diagram above if the actual object has a width of 16 1/2", what is the spacing between grid marks on this grid?
What will be an ideal response?