Crankcase test - Study guides, Class notes & Summaries

Wet compression test If a piston ring is leaking, this type of test will indicate some compression. If a valve is burned, this type of test will make no difference and indicate the same readings Blue Smoke this means the engine is burning oil. Could be caused by worn piston rings White Exhaust Smoke caused by coolant leaking into one or more cylinders, such as when a head gasket goes bad Worn valve guides and vacuum readings this condition would cause the vacuum gauge ne...

ASE exam study guide questions & answers 2024/2025 Spark plugs are being replaced on a v6 engine. Which of the following should be performed before removing the boot? - ANSWERSTwist the boot 1/2 a turn Technician A days that a positive crankcase ventilation (pvc) system reduces vehicle emissions. Tech B says that a pvc system helps increase crankcase pressure. Who is correct? - ANSWERSTech A Tech A says that secondary ignition wires should be inspected when replacing spark plugs. Tech...

ENGINE REPAIR MICHIGAN MECHANIC STUDY GUIDE Test Questions With Correct Answers < Updated & Passed > WHICH OF THE FOLLOWING IS TRUE ABOUT ADJUSTING VALVE TAPPET CLEARANCE - ANSWER : A. THE VALVE TAPPET CLEARENCE ON A HIGH MILEAGE EGINE SHOULD BE ADJUSTED TIGHTER THAN SPECIFICATIONS FOR A NEWLY REBUILT ENGINE. B. VALVE TAPPET CLEARANCE SHOULD BE ADJUSTED AT TDC AT THE END OF THE COMPRESSION STROKE. (CORRECT AWNSER) C. VALVE TAPPET CLEARANCE SHOULD BE ADJUSTED AT BDC...

BNSF RCO Test Exam Questions And Answers (Verified And Updated) Control and fuel pump switch Provides power to the fule pump on the locomotive. This switch should be ON the controlling locomotive. Low lube oil button detects a loss of lubricating oil pressure and directs governor to shut down the diesel engine Low water buton located on the left front corner of the diesel engine near the GOVERNOR and is issued to detect a loss of cooling water pressure. If the LOW WATER button will...

CA Smog Check Inspector Training Final Review Part 2 latest Verified with Correct Answers Only smoke emitted from the crankcase vent hoses (PCV System) during the inspection for visible smoke. - CORRECT ANSWER-What constitutes a failure of the crankcase portion of the visible smoke test? 10 Seconds - CORRECT ANSWER-How long should the tailpipe and crankcase be observed during the idle portion of the Visible Smoke Test? All hybrid vehicles - CORRECT ANSWER-Which vehicles are not subj...

EMISSIONS STUDY GUIDE QUESTIONS WITH VERIFIED SOLUTIONS WHAT IS THE MAIN FUNCTION OF THE EGR VALVE? TO LOWER THE PRODUCTION OF NOX GAS IN THE COMBUSTION CHAMBER WHAT SHOULD AN EMISSION INSPECTOR USE TO DETERMINE THE GVWR OF A VEHICLE? THE VEHICLE WEIGHT PLACARD ON THE VEHICLE WHAT IS ACCEPTABLE FOR VALID REGISTRATION ? - VALID REGISTRATION CARD - PINK SLIP - PRINT OUT FROM PENNDOT VEHICLE REGISTRATION WEBSITE WHAT ENGINE SPEED IS THE VEHICLE OPERATED AT DURING A TWO SPEED IDL...

1. Which of the following conditions will result when a brake drum is out of round? A. a low pedal B. a spongy pedal C. a high pedal D. a pulsating pedal E. a hard pedal D. a pulsating pedal Which one of the following emission control systems is common to all cars and light trucks made at the present time in the U.S.? A. AIR - Air Injection Reaction B. PCV - Positive Crankcase Ventilation C. CCC - Computer Controlled Combustion D. II - Improved Ignition E. ACS - Air Cleaning Sy...

D. The PCV valve should rattle when shaken back and forth. When the thumb is placed over the end of the PCV valve with the engine idling, the plunger should snap back. A water manometer can be used to check the crankcase for vacuum at idle. No blowby test is performed on the PCV system. All of the following are tests performed on the PCV system EXCEPT: A. The rattle test B. The snap- back test C. Crankcase vacuum test D. Blowby test C. Faulty secondary ignition components are common c...

BNSF RCO Test Questions with All Correct Answers Control and fuel pump switch - Answer-Provides power to the fule pump on the locomotive. This switch should be ON the controlling locomotive. Low lube oil button - Answer-detects a loss of lubricating oil pressure and directs governor to shut down the diesel engine Low water buton - Answer-located on the left front corner of the diesel engine near the GOVERNOR and is issued to detect a loss of cooling water pressure. If the LOW WATER butto...

BNSF RCO Test Exam Questions And Answers (Verified And Updated) Control and fuel pump switch Provides power to the fule pump on the locomotive. This switch should be ON the controlling locomotive. Low lube oil button detects a loss of lubricating oil pressure and directs governor to shut down the diesel engine Low water buton located on the left front corner of the diesel engine near the GOVERNOR and is issued to detect a loss of cooling water pressure. If the LOW WATER button will...