Red Seal Refrigeration and Air Conditioning Mechanic (313A): 30 Practice Questions with Answers

Free printable PDF of these 30 questions, plus 10 more free Refrigeration and Air Conditioning Mechanic practice questions with worked answers: https://redsealpass.ca/red-seal-refri... 30 Red Seal Refrigeration and Air Conditioning Mechanic practice questions, read aloud, with answers and short explanations. The questions are weighted to the official Red Seal Refrigeration and Air Conditioning Mechanic exam breakdown published at red-seal.ca, scaled to 30. Each question is followed by a 5-second pause. Pause the video if you need more time. Chapters 0:00 Intro 0:18 Q1 A refrigeration mechanic is brazing a 7/8" copper suction line onto... 1:11 Q2 A mechanic is performing a repair on an older R-22 system that... 2:24 Q3 A technician has just completed brazing a copper pipe connection... 3:31 Q4 A refrigeration system is charged with 300 psig of nitrogen for a... 4:34 Q5 A building has a south-facing window with an area of 50 sq ft and a... 5:36 Q6 To protect a hermetic compressor from damage due to critically low... 6:28 Q7 Before brazing a new copper joint on a refrigeration system, a... 7:30 Q8 A technician suspects an R-410A residential air conditioning system... 8:18 Q9 A building has a design heating load of 70,000 BTU/hr at an outdoor... 9:32 Q10 A commercial space has a calculated sensible heat gain of 80,000... 11:06 Q11 A new 6,000 lb (2720 kg) rooftop unit is being installed on a... 12:59 Q12 A piping schematic for a high-pressure liquid line in an ammonia... 14:16 Q13 A new liquid line solenoid valve is being installed upstream of a... 15:14 Q14 A suspended air handler in an occupied office space is generating... 16:10 Q15 In a region requiring seismic bracing, which of the following is... 17:03 Q16 A journeyperson is sealing ductwork joints outdoors in an unheated... 18:25 Q17 A refrigeration mechanic needs to braze a copper liquid line to a... 19:25 Q18 A journeyperson is preparing two pieces of copper tubing for... 20:36 Q19 An air conditioning system delivers 4500 CFM of air at 55°F... 21:42 Q20 A commissioning technician measures the average air velocity in a... 22:35 Q21 After successfully recovering all liquid and vapor refrigerant from... 23:39 Q22 A building automation system (BAS) technician is commissioning a... 25:01 Q23 A refrigeration mechanic is called to commission a newly installed... 26:11 Q24 A walk-in cooler, operating with an R-134a TXV-controlled system,... 27:17 Q25 After brazing a joint, a technician observes that the filler metal... 28:11 Q26 A refrigeration mechanic is setting up for a pressure test to 400... 29:21 Q27 An R-410A air conditioning system has a liquid line pressure of 330... 30:09 Q28 A commercial refrigeration system with electric defrost is not... 31:07 Q29 A technician is called to repair a leak on an older R-22... 32:23 Q30 During a routine service on an R-410A air conditioning system, a... Red Seal Pass is an independent exam-preparation service and is not affiliated with the Red Seal Program or any provincial apprenticeship authority. Always check your province's official requirements. #RedSeal #RefrigerationandAirConditioningMechanic #RedSealExam #Apprenticeship