ABSA: 4th Class Part B - Comprehensive Exam 2 (150 Multiple Choice, 4th Class Part B , Units 1-12) Questions And Answers Verified 100% Correct!!

ABSA: 4th Class Part B - Comprehensive Exam 2 (150 Multiple Choice, 4th Class Part B , Units 1-12) Questions And Answers Verified 100% Correct!! What must be located outside a Class T machinery room? Select one: a. Spare flashlights b. Disposable coveralls c. Machinery shut off switch d. Light switches c Degradation of heat transfer fluid of a hot oil system will begin to occur if: Select one: a. The oil filter is not serviced regularly b. The oil temperature is above a specified range, for an extended period of time c. The oil is allowed to churn in the circulating pump d. The oil becomes too viscous b Dry and flooded evaporators differ primarily in what respect? Select one: a. Dry evaporators use low-side floats, whereas flooded evaporators use high-side floats b. Flooded systems primarily use Group B1 and B2 refrigerants c. The heat transfer surfaces of a flooded evaporator are kept covered with liquid refrigerant d. The dry evaporator is designed to cool gases only c