<b id="k2jgi"><dfn id="k2jgi"><form id="k2jgi"></form></dfn></b>

<table id="k2jgi"><dfn id="k2jgi"><form id="k2jgi"></form></dfn></table>

<ol id="k2jgi"></ol>

單項(xiàng)選擇題

Leaky exhaust valve will result in which of the following?（）
(1) high exhaust temperature;
(2) low compression pressure;
(3) low firing pressure.

A.(1) and (2)
B.(1) only
C.(2) only
D.(1),(2) and (3)

你可能感興趣的試題

單項(xiàng)選擇題

Large marine diesel engines of crosshead construction generally have two systems of lubrication: a total loss system feeding the （） and a recirculation system lubricating the running gear and cooling the piston.

A.cylinder liners and piston rings
B.main bearings
C.crankpin bearings
D.turboblower

單項(xiàng)選擇題

Keep compartment （） as the gas given off can be dangerous.

A.well ventilated
B.well clean
C.in good order
D.more room