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WorksheetsENGINE LUBRICATION AND COOLING
Total questions: 25
Worksheet time: 19mins
THE MOST COMMONLY USED TYPE OF OIL FILTRATION SYSTEM IS THE...
FULL FLOW
SHUNT FLOW
PARTIAL FLOW
BYPASS FLOW
THE RESISTANCE OF A LIQUID TO FLOW IS CALLED ________
VOLATILITY
INTENSITY
VISCOSITY
CETANE
BEFORE DRAINING OIL, THE ENGINE SHOULD BE BROUGHT
TO OPERATING TEMPERATURE SO THAT _______
THE OIL FILTER BYPASS VALVE WILL NOT OPEN
THE OIL WILL HOLD CONTAMINANTS AND FLOW EASILY
THE ENGINE WILL BE EASIER TO WORK ON
ALL OF THE FITTINGS WILL MOVE EASIER
IT IS GOOD PRACTICE WHEN CHANGING OIL FILTERS TO ALWAYS:
USE THE SAME BRAND OF FILTER
USE FILTERS YOU BUDDY'S SISTER'S BOYFRIEND USES ON HIS RACE CAR
TIGHTEN IT IS FAR AS POSSIBLE
CHECK TO MAKE SURE IT IS THE RIGHT FILTER
THE LETTER "W" IN SAE 10W-30 MEANS:
WITH
WINNING
WINTER
WEIGHT
WHICH OF THE FOLLOWING STATEMENTS OF OIL VISCOSITY IS NOT TRUE?
IN THE API SYSTEM OF OIL VISCOSITY CLASSIFICATION, THE LIGHTER OILS RECEIVE A HIGHER NUMBER
THE ABILITY OF OIL TO FLOW IS ITS VISCOSITY
OIL FLOW IS IMPORTANT TO THE LIFE OF AN ENGINE
IN MOST AUTOMOTIVE APPLICATIONS, THE WATER PUMP IS DRIVEN BY THE:
FLYWHEEL
IMPELLER
CRANKSHAFT
CAMSHAFT
WHICH OF THE FOLLOWING COOLANT HOSES IS SUBJECTED TO THE ROUGHEST SERVICE LIFE?
HEATER INLET
BYPASS
LOWER RADIATOR
UPPER RADIATOR
FOR EVERY ONE POUND OF PRESSURE PUT ON ENGINE COOLANT, THE BOILING POINT OF THE COOLANT IS RAISED ABOUT _____ DEGREES F.
3
4
5
2
ELECTRIC FANS ARE USED BECAUSE:
THEY HELP THE ENGINE WARM UP FASTER
THEY COST LESS TO MANUFACTURE
THEY REQUIRE LESS POWER TO OPERATE
THEY COOL THE ENGINE MORE EFFICIENTLY AT LOW SPEED
THE THERMOSTAT IS DESIGNED TO:
REDUCE COOLANT TEMPERATURE AT LOW SPEEDS
MAINTAIN THE OPERATING TEMPERATURE OF THE ENGINE
PREVENT THE BOILING OF THE COOLANT
RAISE THE BOILING POINT OF THE COOLANT
THE PURPOSE OF THE RAD CAP VACUUM VALVE IS TO:
RAISE THE BOILING POINT OF THE COOLANT
ALLOW COOLANT TO FLOW TO THE EXPANSION TANK
ALLOW COOLANT BACK INTO SYSTEM
ALLOW AIR OUT OF THE COOLING SYSTEM
A FAN THAT IS PLACED MORE THAN 3 INCHES FROM THE RADIATOR IS INEFFECTIVE
TRUE
FALSE
THE RADIATOR/FAN SHROUD DECREASES THE EFFECTIVENESS OF THE COOLING FAN
TRUE
FALSE
AN ELECTRIC COOLING FAN IS CONTROLLED BY A BIMETALIC COIL SPRING
LOCATED ON THE CENTER OF THE FAN
TRUE
FALSE
THE TYPICAL RECOMMENDED MIXTURE OF
WATER AND ANTIFREEZE IS:
40/60
30/70
60/40
50/50
COOLANT FLOWS FROM THE ENGINE INTO THE RADIATOR BY THE LOWER RADIATOR HOSE
TRUE
FALSE
A PRESSURE CAP OF 12 PSI. WILL RAISE THE BOILING POINT OF COOLANT BY:
32 DEGREES F
24 DEGREES F
36 DEGREES F
12 DEGREES F
A THERMOSTAT INSTALLED UPSIDE DOWN WILL CAUSE:
NO COOLANT FLOW TO THE HEATER CORE
THE ENGINE TO RUN COLD
TO ENGINE TO OVERHEAT
EXCESSIVELY LONG WARM UP PERIODS
INHIBITORS ARE USED IN THE COOLING SYSTEM TO:
REDUCE COOLANT LOSS
REDUCE CORROSION
INCREASE BOILING POINT OF THE COOLANT
WHICH OF THE FOLLOWING WOULD CAUSE LOW OIL PRESSURE?
SELECT ALL THAT APPLY
EXCESSIVE OIL DILUTION
PLUGGED OIL PICK-UP SCREEN
EXCESSIVE ENGINE WEAR
HIGH VISCOSITY
A MULTIPLE VISCOSITY OIL WITH THE RATING SAE 5W-30:
HAS THE SAME VISCOSITY AS SAE 5W WHEN IT IS COLD AND THE SAME VISCOSITY AS SAE 30 WHEN EACH IS HOT
HAS THE SAME VISCOSITY AS SAE 5W WHEN IT IS COLD AND THE SAME VISCOSITY AS SAE 30 WHEN EACH IS COLD
HAS THE SAME VISCOSITY AS SAE 5W WHEN IT IS HOT AND THE SAME VISCOSITY AS SAE 30 WHEN EACH IS COLD
HAS THE SAME VISCOSITY AS SAE 5W WHEN IT IS HOT AND THE SAME VISCOSITY AS SAE 30 WHEN EACH IS HOT
HOW DOES THE OIL RETURN TO THE OIL PAN?
PRESSURE FROM THE OIL
GRAVITY
BY THE PUMPING EFFECT OF THE PISTONS
THE LUBRICATION SYSTEM HELPS TRANSFER HEAT FROM ONE PART TO ANOTHER
TRUE
FALSE
WHAT ENGINE STROKE IS REPRESENTED ON THE LEFT SIDE DIAGRAM
INTAKE
COMPRESSION
POWER
EXHAUST
