Low pressure cylinder - Study guides, Class notes & Summaries

According to the SMC group, #2 refrigerants are - Toxic, flammable, explosive under certain conditions, and includes ammonia and SO. A hermetic system is a totally enclosed refrigeration system when the - Motor and compressor are sealed within the same system with the refrigerant. A heat pump has what type of valve that redirects refrigerant flows from heating to cooling? - A four way reversing valve A capillary tube system responds to an overcharge by - Head pressure. A capillary tube sy...

EPA SECTION 608 CORE (2021-2022 revision) A disposable cylinder should be reduced to what pressure before scrapping? a. 0 psig b. 20 psig c. 50 psig d. 80 psig A major system repair is being performed on a R-22 appliance. What CANNOT be done to recharge the appliance? a. Add R-22 after the repair is complete. b. Retrofit the unit to R-407C. c. Use recovered or recycled R-22 from the same owner. d. Top off the unit with R-410a. A refillable cylinder must not be filled above what ...

Real Asvab Test 121 Questions with Verified Answers A square has how many sides? - CORRECT ANSWER 4 How much is 2 plus 2? - CORRECT ANSWER 4 A rose is a what? - CORRECT ANSWER A flower What is the best explanation of how a smooth round stone became smooth? - CORRECT ANSWER It was in a stream for a long time If you place bean seeds between moist paper towels and watch the stem leaves appear you will see a demonstration of? - CORRECT ANSWER germination Any astronomical body that ...

SAE 609 Questions and Answers 100% Pass The recovery process on an R-12 or R-134a A/C System should continue until a stable vacuum is held by the system for: 2 minutes A recycled refrigerant container has been checked and found to be above the given pressure limit for the ambient temperature Technician A says that the refrigerant container should be placed in a cooler storage area before use Technician B says that the vapor in the container should be slowly vented into a refrigerant handling...

In what position should the crankshaft be when a magneto is being timed to the engine? - The piston and cylinder number one should be in the correct position for ignition to occur. This is normally about 30° before top center on the compression stroke. What is the purpose of a cold cylinder check? - A cold cylinder check determines which cylinder is not firing. Run the engine for a few minutes at the speed, and on the magneto, at which it runs roughest. Shut it down and feel the exhaust st...

Pneumatics Final Exam Questions and Answers Rated A+ Which method of troubleshooting involves inspecting the cylinder first, followed by the filter, then the directional control valve, then the lubricator, and finally the motor? - A. Symptom and Cause Analysis - B. Reverse Inspection - C. Shotgun method - D. Sequential Testing Shotgun method What is the initial action a technician should take when starting to troubleshoot a machine? - A. Disable power sources - B. Record ...

1. On a car with disc/drum brakes, the front brakes grab quickly when light pedal pressure is applied. This problem could be caused by a bad: A. proportioning valve B. pressure safety switch C. metering valve D. residual check valve - C 2. The driver of a vehicle with power disc/drum brakes says that the brake pedal moves slowly to the floor while maintaining pedal pressure at a stoplight. What could cause this problem? A. leaking primary piston cup in master cylinder B. leaking powe...

ASE Exam Study Guide Questions & Answers 2024/2025 An engine makes a knocking noise with the transmission in DRIVE. The knocking noise is not heard in PARK or NEUTRAL. Which of these could be the cause? A)Excessive main bearing clearance B)Low oil pressure C)A cracked flexplate D)A broken piston ring - ANSWERSC)A cracked flexplate An engine is overheating and has white smoke coming from the tail pipe. The cooling system is pressure tested and will not hold pressure. This could be...

Air cylinders rated for 30 minutes of breathing air provide a firefighter with a minimum of 30 minutes of breathing time - False Which statements about SCBA was it straps are true? (Select all that appl - 1. MAKE IT LESS LIKELY FOR THE CYLINDER TO GET CAUGHT ON OBSTRUCTIONS 2. HELP PREVENT BACK INJURIES AND FALLS 3. PREVENT THE SIDE-TO SIDE MOVEMENT OF THE CYLINDER 4. Only units weighing more than 30 pounds (14 kg) need waist straps Positive-pressure SCBA keeps pressure in the face piece s...

SSI Deep Diver Exam Review Question and answers rated A+ 2023An accident management plan includes having the necessary equipment available, and the Proper training and access to emergency medical personnel Cold Water hastens the onset of two potential hazards when deep diving. These are Nitrogen Narcosis and decompression sickness Something you should never do with a dive computer while diving is Share it with your buddy Make sure the BC selected for deep diving provides ...