UTI COURSE 101 CHAPTER #3 EXAM
REVIEW QUESTIONS AND ANSWERS
What is another name for crankshaft end play? - Answer-Thrust clearance
How many places do we measure for cylinder bore taper? - Answer-3
What types of bushing are commonly found on engine mounts? - Answer-Rubber
What are the 3 types of pistons? Which is cheapest? Which is most common? -
Answer-Hypereutectic, cast, and forged / cast / cast
What can cause a bent connecting rod? - Answer-Piston bore taper, hydro locking,
valve-to-piston contact
What do we need to do to piston assembly before removal? - Answer-Use a ridge
rimmer
How do we find out-of round in the main bore? - Answer-Dial bore scope or telescoping
gauge
How many places do we measure for out-of-round? - Answer-2
When do we clean the engine block? - Answer-When taking measurements or when
reassembling
What do we use to clean the engine block? - Answer-Hot soap and water
Give each types of bushings? - Answer-Threaded, flexure, plastic, rubber, and metal
What is the most common failure of a rotary engine? - Answer-Apex seal
How good are the emissions on a rotary engine? - Answer-Trash
What tool can be used to de-torque a connecting rod nut/bolt? - Answer-Dial indicator
torque wrench
What are the 2 types of wrist pins? - Answer-Semi floating and full floating
What tools are used to check crankshaft end play? - Answer-Pry bar and dial indicator
What controls crankshaft end play? - Answer-Thrust bearings
Do connecting rods use plastic bearings? - Answer-No
REVIEW QUESTIONS AND ANSWERS
What is another name for crankshaft end play? - Answer-Thrust clearance
How many places do we measure for cylinder bore taper? - Answer-3
What types of bushing are commonly found on engine mounts? - Answer-Rubber
What are the 3 types of pistons? Which is cheapest? Which is most common? -
Answer-Hypereutectic, cast, and forged / cast / cast
What can cause a bent connecting rod? - Answer-Piston bore taper, hydro locking,
valve-to-piston contact
What do we need to do to piston assembly before removal? - Answer-Use a ridge
rimmer
How do we find out-of round in the main bore? - Answer-Dial bore scope or telescoping
gauge
How many places do we measure for out-of-round? - Answer-2
When do we clean the engine block? - Answer-When taking measurements or when
reassembling
What do we use to clean the engine block? - Answer-Hot soap and water
Give each types of bushings? - Answer-Threaded, flexure, plastic, rubber, and metal
What is the most common failure of a rotary engine? - Answer-Apex seal
How good are the emissions on a rotary engine? - Answer-Trash
What tool can be used to de-torque a connecting rod nut/bolt? - Answer-Dial indicator
torque wrench
What are the 2 types of wrist pins? - Answer-Semi floating and full floating
What tools are used to check crankshaft end play? - Answer-Pry bar and dial indicator
What controls crankshaft end play? - Answer-Thrust bearings
Do connecting rods use plastic bearings? - Answer-No
