To reduce the weight of the reciprocating...

Question 1 / 205eccefa1bacbc34ba4d47525

Question 1 of 205eccefa1bacbc34ba4d47525

To reduce the weight of the reciprocating parts, pistons of high-speed engines are made considerably shorter. This results in __________.

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Question 1 of 20

5eccefa1bacbc34ba4d47525

To reduce the weight of the reciprocating parts, pistons of high-speed engines are made considerably shorter. This results in __________.

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🔍 Key Concepts

• Piston side thrust and how connecting-rod angle creates sideways force on the piston skirt • Effect of shorter pistons (shorter skirts) on guidance inside the cylinder and contact area • Relationship between piston design and noise, wear, and bearing loads in high‑speed engines

💭 Think About

• Picture the connecting rod at mid‑stroke: how does its angle push the piston against the cylinder wall, and what part of the piston resists that sideways force? • If you shorten the piston (shorter skirt), what happens to (a) the guidance/support area in the bore and (b) the stability of the piston as it changes direction? • Which component is most directly affected by less skirt area and potentially more rocking motion: the crankshaft bearings, the piston/cylinder interface, or side thrust forces?

✅ Before You Answer

• Identify which option is most directly linked to changes in skirt length and guidance area rather than overall engine size or speed. • Ask yourself whether shorter pistons tend to make slap/noise better or worse when clearances are similar. • Consider which effect would be slight and localized to the piston, versus which would cause large system‑wide problems like major bearing wear or big changes in side pressure.

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Question 1 of 20

To reduce the weight of the reciprocating parts, pistons of high-speed engines are made considerably shorter. This results in __________.

less piston slap and quieter running

increased crankshaft bearing wear

slightly greater piston wear

decreased side pressures

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Question 1 / 205eccefa1bacbc34ba4d47525

Question 1 of 205eccefa1bacbc34ba4d47525

To reduce the weight of the reciprocating parts, pistons of high-speed engines are made considerably shorter. This results in __________.

Back

Question 1 of 20

5eccefa1bacbc34ba4d47525

To reduce the weight of the reciprocating parts, pistons of high-speed engines are made considerably shorter. This results in __________.

No comments yet

Be the first to share your thoughts!

If the question has a related picture, it will appear here.

🔍 Key Concepts

💭 Think About

✅ Before You Answer

👋 Hi! I'm Genie, your AI study assistant. How can I help you with this question?

Quick actions

— No credit card needed