What tool(s) are used the check the suction line superheat? High pressure gauge and a thermocouple High pressure gauge only Compound pressure gauge and an amp probe Compound pressure gauge and a thermocouple Thermocouple only Compound pressure gauge only Question 2 (1 point) What is considered flood-back? Over flow of condensation in the drain line Suction line temperature between 20F and 40F Super Heat Sudden return of liquid refrigerant or oil Suction line temperature below 20F Super Heat Question 3 (1 point) What tool(s) would you use to test a head pressure regulator (HPR) like a Sporlan low ambient control (LAC)? Compound pressure gauge and a thermocouple High pressure gauge and a thermocouple High pressure gauge only Compound pressure gauge only Thermocouple only Compound pressure gauge and an amp probe