Pitting in the suction areas of a centrifugal pump bronze impeller is usually caused by ().
A single piece() fitted with bronze rings guides the piston in the cylinder liner.
It is easier to replace a dry cylinder liner than a wet one because()
A number of cylinder liners are enclosed in one cast iron casing to form a ().
Which of the following operation will have a direct impact on the rate of wear in a cylinder liner ()
The cylinder is fitted with internal liner so that a water space is left () the liner and the outer wall.
The rate of wear on a cylinder liner depends on the ()
One of the advantages in the use of a dry liner over a wet liner is()
What is NOT used as a stern tube bearing,on a large vessel? ()
The main bearing metal is a lining ().
Which of the listed bearing types is an example of a solid bearing?()
One advantage of dry cylinder liners used in a diesel engine is the()
Scuffed cylinder liner surfaces in a diesel engine can result form()
In a diesel engine, an integral liner is one in which the cooling water () Ⅰ.flows through the cylinder liner jackets Ⅱ.touches the outer side of the liner
“lover-leafing”is a term used to describe corrosive wear at several separate points around liner circumference- iein some cases the liner bore may assume a “clover-leaf”shape()
Precision engine bearing inserts are manufactured with a small portion of the bearing ends extending beyond the bearing housing or capsThe installation process of these bearings requires sufficient ().
A thrust bearing is used with a propulsion diesel engine to ().
A piece of classroom work that bears a ______ to PT.
Liner transport follows a regular route according to an advertised time-table.
What are the characteristics of a bear market?
John remarked after the meeting that the speaker was a woman of _____ wit .
A liner is a vessel with regular sailing or arrivals on a stated schedule between specified ports.
在国际货物买卖合同中载明:FOB liner terms or FOB stowed & trimmed,则表示:() 。A.买卖双方
The possession of bronze ware was regarded as a status symbol.()
9、请找出下面句子中使用拟人修辞手法的词(若为A则填A,若为B则填B) The year 1871 witnessed the heroic uprising of the Paris. A.uprising B.witnessed