______ Reservoir is provided to provide excess coolant as the engine temperature increases.(a) filler Neck(b) blow off(c) expansion(d) compressionThe question was asked in my homework.This interesting question is from Components of Water Cooling System in portion Cooling System of Automotive Engine Design

______ Reservoir is provided to provide excess coolant as the engine t

1.	______ Reservoir is provided to provide excess coolant as the engine temperature increases.(a) filler Neck(b) blow off(c) expansion(d) compressionThe question was asked in my homework.This interesting question is from Components of Water Cooling System in portion Cooling System of Automotive Engine Design
Answer» The correct choice is (C) expansion The explanation: Expansion reservoir is connected to the radiator in such a way that it receives the excess coolant as the engine TEMPERATURE increases. When the cooling WATER cools down, its volume DECREASES, and the coolant in the reservoir returns to the radiator keeping the system full of coolant.

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