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Quick ASE Study Guide Practice Test Questions with Correct Answers. True or False. Chlorine was found to do damage to the ozone layer? - Correct answer-True True or False. Different refrigerant are ok to be mixed together. Pressure characteristics are a little bit different but should not matter. - Correct answer-False. High pressure characteristics between R12 and R134a vary considerably. Will result in high head pressure and high system. A vehicle has poor air conditioning performan...

ASE Electrical And Electronics T6 Questions With Answers. 1. A technician needs to check for voltage in a non-solid state electrical circuit. Technician A says a 12-volt test light can be used by attaching one lead to a known good voltage source, then probing various points along the circuit. Technician B says one lead of the 12-volt test light should be grounded, and the other used to probe various points along the circuit. Who is right? - Correct answer-The correct answer is B. A 12-volt ...

Well Defined ASE test prep Questions with Correct Answers. Technician A says that when pressure testing a radiator cap, a special adapter is needed. Technician B says the best way to check thermostat operation is while it is in the engine. Who is right? A. Technician A only B. Technician B only C. Both A and B D. Neither A or B - Correct answer-The correct answer is A. Test the radiator cap with the cooling system tester's radiator cap adapter. The thermostat can most effectively be ...

Diesel Tech ASE Services Study Guide Questions with Answers. When checking the water pump you need to check which of the following? - Correct answer-The water pump for leaks and water pump bearings Which of the following is an acceptable way to check the coolant's freeze protection? - Correct answer-Coolant test strip, Hydrometer, and Bulb type coolant tester When do you change the engine coolant filter? - Correct answer-When the coolant needs more conditioner When inspecting a tr...

ASE Diesel Practice Test Questions with Correct Answers 2024. When a diesel engine is operated under a load, coolant continually comes out of the radiator overflow and there are bubbles in the radiator. Which of these is the most likely cause? (A) Too much coolant in the cooling system (B) A clogged radiator (C) A stuck-open thermostat (D) Compression leakage into the cooling system - Correct answer-D A diesel engine has excessive black smoke when started in the morning. Which of t...

Diesel Tech Suspension and Steering ASE Practice Test 2 Questions with Correct Answers. The most common type of power steering hydraulic pump used on most Class 8 trucks/tractors equipped with power steering systems is: A. Gear B. Vane C. Plunger D. Centrifugal - Correct answer-B. Vane Technician A says to inflate mounted tires in a safety cage or using a portable lock ring guard. Technician B says to first mount the tire on the truck, then inflate to the proper tire pressure. A. A on...

Elaborate ASE Study Guide Questions with Answers Latest Update 2025. What bands does the Radar Warning System work and what do they detect? What do they indicate? - Correct answer-E-J & K - Search, track, fire control radars & gives presence/direction C & D - missile guidance & presence only What bands does the blade antenna detect? - Correct answer-C and D What does the threat symbology of "4" mean? - Correct answer-Long range SAM What does the threat symbology of "6"...

ASE-A8 Engine performance Study Guide Questions with Correct Answers . 1. What does a wet compression test, test for? - Correct answer-Burned valve would show no change in compression. A leaking/worn piston would have some change in compression. What most likely is the cause if the compression doesn't go up during a wet compression test? A, burnt valve. B, worn piston ring. - Correct answer-A What most likely is the cause if the compression goes up during a wet compression t...

ASE HVAC Exam Practice Questions with Correct Answers. What would be the most likely result of a missing AC compressor clutch diode? - Correct answer-Damage to the ECM Tech A says that the service fittings for R-134a are the same as the service fittings for R-12. Tech B says the low-side service fitting is a 16mm quick-connect and high-side is 13mm quick-connect. Who is right? - Correct answer-Neither An inoperative cable-controlled heater control valve is being diagnosed. The control m...

L1 Practice Exam (Computerized Powertrain Controls Diagnosis) Questions with Accurate Answers. 18. An engine lacks power and there are no stored diagnostic trouble codes. Which of the following scan tool readings, at 2,000 RPM, is the MOST likely one to be the cause? a. AFRS (Air/Fuel Ratio Sensor) 2/1 = 2.5 Volts b. MAF (Mass Air Flow) = 2.0 gm/sec/.70 volts c. Injector pulse width = 3.3 ms d. MAP (Manifold Absolute Pressure) = 81 kPa/6 in.Hg/3.5 volts - Correct answer--MAF (Mass Ai...