What is commonly wrong when the heat from a heater "comes and goes"?
A) Cooling system is low on coolant
B) A coolant restriction
C) Incorrect heater hoses
D) A worn water pump drive belt
A) Cooling system is low on coolant
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In a fillet weld symbol, the two legs are assumed to be equal in size unless otherwise specified.
Answer the following statement true (T) or false (F)
Cellulose can be represented by the chemical formula (C6H10O5)n, where n represents a long number of groups of this formula that can be combined. How many molecules of carbon dioxide would be needed to form one molecule of the base structure of cellulose, C6H10O5?
What will be an ideal response?
The contacts of a current starting relay are:
A) Either normally open or normally closed depending upon the compressor. B) Modulating. C) Normally open. D) Normally closed.
Technicians will use an electronic weigh scale to:
A. Weigh the amount of antifreeze in the engine cooling system B. Weigh the amount of engine oil during routine maintenance C. Weigh the amount of refrigerant dispensed into the air conditioning system D. Weigh the output of the vehicles charging system