Antifreeze helps to keep an engine functioning properly: Question Antifreeze helps to keep an engine functioning properly: Answers But only if it is cold outside. To be more fuel efficient. Both when it is cold and hot outside. Explanation It is always important to have enough water and antifreeze in a vehicle's cooling system. Despite the name, antifreeze is beneficial to an engine even in hot weather. This questions appears in the following tests: Kentucky Double Louisiana Class A Knowledge Test Maine Class B Knowledge Test Maine Double Montana Class A Knowledge Test Montana Class B Knowledge Test Rhode Island Class B Knowledge Test Rhode Island Tank Wyoming Class B Knowledge Test
