1) What is the function of the piston? a) Transfer force b) Lubricate engine c) Cool engine d) Filter oil 2) Which component connects the piston to the crankshaft? a) Connecting rods b) Oil rings c) Shell bearings d) Thrust bearings 3) What do oil rings do? a) Seal combustion b) Transfer force c) Lubricate cylinder d) Support crankshaft 4) Which component helps reduce friction in the engine? a) Compression rings b) Shell bearings c) Gudgeon pins d) Piston 5) What is the main role of compression rings? a) Seal combustion b) Transfer force c) Lubricate cylinder d) Support crankshaft 6) Which component is responsible for converting linear motion to rotational motion? a) Crankshaft b) Connecting rods c) Oil rings d) Thrust bearings 7) What is the function of thrust bearings? a) Absorb axial loads b) Seal combustion c) Lubricate cylinder d) Transfer force 8) Which component holds the piston in place? a) Gudgeon pins b) Oil rings c) Shell bearings d) Compression rings 9) What do shell bearings support? a) Crankshaft b) Piston c) Gudgeon pins d) Oil rings 10) Which component helps in sealing the combustion chamber? a) Compression rings b) Thrust bearings c) Connecting rods d) Gudgeon pins 11) What is a common shell bearing material? a) Aluminum alloy b) Plastic c) Rubber d) Wood 12) What reduces piston side loading? a) Shorter skirts b) Longer skirts c) Thinner rings d) Thicker oil 13) How should compression rings be installed? a) Gap facing down b) Gap facing up c) Gap staggered d) Gap aligned 14) What material is used for high-performance bearings? a) Copper-lead b) Plastic c) Wood d) Glass 15) What is a symptom of piston side loading? a) Uneven wear b) Smooth operation c) Increased power d) Lower emissions 16) What is the purpose of a compression ring? a) Seal combustion b) Lubricate cylinder c) Reduce noise d) Cool engine 17) Which material is not used for bearings? a) Steel b) Bronze c) Plastic d) Copper 18) What can cause piston side loading? a) Misalignment b) Proper lubrication c) Balanced weight d) Correct timing 19) How should rings be oriented during installation? a) Aligned gaps b) Staggered gaps c) Facing down d) Facing up 20) What is a benefit of staggered ring gaps? a) Better sealing b) Increased wear c) Higher friction d) Lower efficiency 21) What is a disadvantage of aluminum bearings? a) Low strength b) High cost c) Heavy weight d) Poor conductivity 22) What can improper ring installation cause? a) Oil consumption b) Reduced power c) Smooth operation d) Lower emissions 23) What is a feature of high-performance rings? a) Low friction b) High weight c) Thick design d) Soft material 24) What is the role of a piston skirt? a) Reduce side load b) Increase friction c) Seal combustion d) Cool engine 25) What is a common cause of bearing failure? a) Contamination b) Proper lubrication c) Correct alignment d) Low temperature

Engine Components Quiz

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