A、viscosity
B、twisting moments
C、inertia
D、thermal expansion
更多“An aluminum piston has lower inertia and higher coefficient of （） compared to that of cast iron.”相关的问题
A、twice as large as with a cast iron piston B、the same size as with a cast iron piston C、half as large as with a cast iron piston D、the same size as the crown of an aluminum piston
A、A.greater high temperature strength B、B.better heat conductivity C、C.greater weight per cubic inch D、D.increased resistance to wear
A、reduce the ring groove wear rate B、seal against crankcase vapors C、lessen the wear on aluminum part of the cylinder D、allow for the greater expansion rate of aluminum
A、The aluminum will provide greater resistance to the spread of fire by conduction B、The aluminum structure is usually attached to a steel coaming by a method that insulates the two metals C、If the superstructure is stressed，an aluminum structure requires additional expansion joints to prevent fracture D、The steel at the area of the aluminum-to-steel connection must be closely checked for galvanic corrosion
A、radially from the shaft B、parallel to each other and to the shaft C、parallel to each other but at a right angle to the shaft D、at an angle to each other and to the shaft
A、Corner fittings B、Framework，primarily the corner posts C、Framework and siding acting as a girder D、Aluminum side and end panels
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