SMALL ENGINES ICEV FINAL PAPER 2026
FULL QUESTIONS AND CORRECT
ANSWERS GUARANTEED PASS
◉the mating surface of the valve face is:. Answer: the valve seat
◉the middle ring on the 4 cycle gas engine piston is called a/an:.
Answer: compression and/or scrapper
◉during the compression stroke on the 4 cycle engine what happens
to the intake valve and the piston:. Answer: the intake valve closes
and the piston moves upward
◉the exhaust valve opens and the upward movement of the piston
forces burned gasses out of the cylinder on the:. Answer: exhaust
stroke
◉the perforated ring on a small gas engine piston is the:. Answer: oil
ring
◉a clogged crankcase breather will cause:. Answer: leaking oil seals
and ruptured gaskets
,◉the purpose of the cylinder wall crosshatch pattern is to:. Answer:
control lubrication of the cylinder and aid in seating new rings
◉valve tappet clearance is needed to :. Answer: allow valves to
expand
◉the greatest amount of cylinder wear is at the:. Answer: middle
one-third of the cylinder wall
◉the 4 cycle gas engine intake valve is cooled by:. Answer: incoming
air fuel misxture
◉which of the following is not a part of the valve: head, margin, seat,
or face. Answer: seat
◉end clearance on rings is necessary so that:. Answer: the piston
rings will have room to expand when it become hot AND the ring can
exert pressure on the cylinder wall
◉after cylinders are bored or honed they should be cleaned with:.
Answer: EITHER kerosene OR soapy water
,◉the top ring on a piston in a small gas engine is called a/an:.
Answer: compression ring
◉the average operating temperature of the intake valve is
approximately - degrees Fahrenheit. Answer: 1200
◉Valve sticking can be cause by:. Answer: lead in the fuel, gum in the
fuel, varnish from the fuel- all of theabove
◉the terms flo jet, pulsa jet, and vacu jet are used to describe the
three types of:. Answer: carburetors
◉the angle the valve face and seat on a Briggs & Stratton engine are
ground is generally:. Answer: 45 and 30 degrees
◉the compression ratio tells us about the engine's:. Answer:
efficiency
◉the cam lobes: are timesd with the camshaft gear so the valves are
lifted at the correct time, contour determines the speed of the valve
opening, or contour determines the length of time the valves are
open. Answer: all of the above
, ◉which of these is not a reason for valve failure: burned, dished,
carboned, or necked. Answer: carboned
◉the first one or two numbers of the model number system
indicates:. Answer: cubic inch displacement
◉if there is a difference in the size of the valve head, the intake valve
is - than the exhaust valve. Answer: larger
◉valves have to seal well enough to stand pressures up to - pounds
per squre inch. Answer: 500 PSI
◉the function of the crankcase breather is to remove - from the
crankcase. Answer: air
◉for the valves to open at the proper time the - marks must be
aligned. Answer: timing
◉the compression release is designed to:. Answer: allow easier
starting
◉T/ F valves are held in the closed position by valve guides. Answer:
false
FULL QUESTIONS AND CORRECT
ANSWERS GUARANTEED PASS
◉the mating surface of the valve face is:. Answer: the valve seat
◉the middle ring on the 4 cycle gas engine piston is called a/an:.
Answer: compression and/or scrapper
◉during the compression stroke on the 4 cycle engine what happens
to the intake valve and the piston:. Answer: the intake valve closes
and the piston moves upward
◉the exhaust valve opens and the upward movement of the piston
forces burned gasses out of the cylinder on the:. Answer: exhaust
stroke
◉the perforated ring on a small gas engine piston is the:. Answer: oil
ring
◉a clogged crankcase breather will cause:. Answer: leaking oil seals
and ruptured gaskets
,◉the purpose of the cylinder wall crosshatch pattern is to:. Answer:
control lubrication of the cylinder and aid in seating new rings
◉valve tappet clearance is needed to :. Answer: allow valves to
expand
◉the greatest amount of cylinder wear is at the:. Answer: middle
one-third of the cylinder wall
◉the 4 cycle gas engine intake valve is cooled by:. Answer: incoming
air fuel misxture
◉which of the following is not a part of the valve: head, margin, seat,
or face. Answer: seat
◉end clearance on rings is necessary so that:. Answer: the piston
rings will have room to expand when it become hot AND the ring can
exert pressure on the cylinder wall
◉after cylinders are bored or honed they should be cleaned with:.
Answer: EITHER kerosene OR soapy water
,◉the top ring on a piston in a small gas engine is called a/an:.
Answer: compression ring
◉the average operating temperature of the intake valve is
approximately - degrees Fahrenheit. Answer: 1200
◉Valve sticking can be cause by:. Answer: lead in the fuel, gum in the
fuel, varnish from the fuel- all of theabove
◉the terms flo jet, pulsa jet, and vacu jet are used to describe the
three types of:. Answer: carburetors
◉the angle the valve face and seat on a Briggs & Stratton engine are
ground is generally:. Answer: 45 and 30 degrees
◉the compression ratio tells us about the engine's:. Answer:
efficiency
◉the cam lobes: are timesd with the camshaft gear so the valves are
lifted at the correct time, contour determines the speed of the valve
opening, or contour determines the length of time the valves are
open. Answer: all of the above
, ◉which of these is not a reason for valve failure: burned, dished,
carboned, or necked. Answer: carboned
◉the first one or two numbers of the model number system
indicates:. Answer: cubic inch displacement
◉if there is a difference in the size of the valve head, the intake valve
is - than the exhaust valve. Answer: larger
◉valves have to seal well enough to stand pressures up to - pounds
per squre inch. Answer: 500 PSI
◉the function of the crankcase breather is to remove - from the
crankcase. Answer: air
◉for the valves to open at the proper time the - marks must be
aligned. Answer: timing
◉the compression release is designed to:. Answer: allow easier
starting
◉T/ F valves are held in the closed position by valve guides. Answer:
false
