AUTOMOTIVE, COOLING SYSTEMS TEST

AUTOMOTIVE, COOLING SYSTEMS TEST 4 Major Functions of the Cooling System - Correct Answer -Removes excess heat from the engine. Maintains a constant engine temperature. Increases temperature of a cold engine quickly. Warms the passenger compartment. 2 Types of Cooling Systems - Correct Answer -Air Cooled Liquid Cooled Advantages of Liquid Cooling - Correct Answer -Circulates coolant to remove excess engine heat. More control of engine temperature. Less temperature radiation. Reduced emissions. Pros of Air Cooling - Correct Answer -Uses large fins to remove heat. Coolant - Correct Answer -A mixture of ethylene glycol and water 50/50 Liquid Cooling - Correct Answer -Conventional Flow Reverse Flow Conventional Flow - Correct Answer -Hot coolant flows from the cylinder head to the radiator Once cooled, the coolant flows back to the engine. Reverse Cooling - Correct Answer -Cooled coolant enters the head and hot coolant exits the block. Used on high performance engines. This keeps the hot exhaust valves cooler.