<input id="66666"><small id="66666"></small></input>

<source id="66666"><td id="66666"></td></source>

<input id="66666"><small id="66666"></small></input>

<table id="66666"><sup id="66666"></sup></table><s id="66666"><code id="66666"></code></s>

<table id="66666"></table>

<input id="66666"><small id="66666"></small></input>

單項(xiàng)選擇題

Which of the listed conditions can cause lacquer to be deposited on a piston skirt?（）

A.High sulphur content fuel
B.High lube oil temperatures
C.High vanadium content fuel
D.Excessive piston slap

你可能感興趣的試題

單項(xiàng)選擇題

Reducing the clearance between a valve stem and rocker arm will result in the valve （）

A.having a shorter duration of opening
B.having a longer duration of opening
C.closing sooner
D.opening later

單項(xiàng)選擇題

If you increase the clearance between a valve stem and rocker arm, which of the listed condition will occur?（）

A.valve will open later
B.valves will close later
C.amount of fuel injected will be increased
D.amount of fuel injected will be decreased

<source id="66666"><td id="66666"></td></source>

<sup id="66666"><dd id="66666"></dd></sup>