Which construction detail is apparent in the...

Question 1 / 2707066636eef28f7522a1c51f8ad

Question 1 of 2707066636eef28f7522a1c51f8ad

Which construction detail is apparent in the connecting rod and piston assembly shown in the illustration? Illustration MO-0011

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Question 1 of 27070

Which construction detail is apparent in the connecting rod and piston assembly shown in the illustration? Illustration MO-0011

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

🔍 Key Concepts

• Look closely at the small end of the connecting rod and the wrist (piston) pin area in both sectional views. • Think about how a heat dam, a fork-type connecting rod, and water cooling passages would normally look in a piston drawing. • Recall the difference between a fixed (pressed) wrist pin and a free-floating wrist pin in terms of how the pin is held in place.

💭 Think About

• In the illustration, does the piston appear to have any special groove or barrier near the crown that would limit heat flow down to the rings? • Do you see any sign of a forked rod straddling another rod, or any water inlets/outlets or jackets around the piston crown? • Around the wrist pin, is there anything that looks like it permanently locks the pin to either the piston or the rod, or does the design suggest that the pin can move relative to both?

✅ Before You Answer

• Check whether there are water passages, external connections, or jackets that would clearly indicate water cooling of the piston. • Check if there is any forked or split configuration of the connecting rod at the small end (two legs surrounding another member). • At the wrist pin, look for retainers or bushings and ask: does the drawing suggest the pin is allowed to move in both the piston bosses and the rod end, or is it fixed to one of them?

Question 1 of 27070

Which construction detail is apparent in the connecting rod and piston assembly shown in the illustration? Illustration MO-0011

The piston is designed with a heat dam.

It is a fork assembly.

The piston is water cooled.

The wrist pin is free floating.

Question 1 / 2707066636eef28f7522a1c51f8ad

Question 1 of 2707066636eef28f7522a1c51f8ad

Which construction detail is apparent in the connecting rod and piston assembly shown in the illustration? Illustration MO-0011

Back

Question 1 of 27070

Which construction detail is apparent in the connecting rod and piston assembly shown in the illustration? Illustration MO-0011

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