Because of the resulting higher pressures in the cylind

单项选择题

Because of the resulting higher pressures in the cylinder from the combustion of this greater mass of fuel, and the larger diameters, the liner must be made （） at the top to accommodate the higher stresses, and prevent cracking of the material.

A.thinner
B.thicker
C.smoother
D.rougher

相关考题

单项选择题 Oil is supplied to the crosshead using a swinging arm or a （） and is sometimes boosted in pressure to and efficient lubrication.

单项选择题 Because of the high loads the bearing material is a tin- aluminum alloy bonded to a steel shellThe crosshead pin is highly polished to a （）.

单项选择题 The load on the crosshead pin is always （）, so it is the （）half of the bearing which is subject to wear.

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船舶电气与船舶安全