The slippers run () in the crosshead guides as the piston and rod are ()and prevent the top of the connecting rod from moving sideways.
- Aup and down;reciprocating
- Bup and down;rotating
- Cback and forth;reciprocating
- Dback and forth;rotating
The slippers run () in the crosshead guides as the piston and rod are ()and prevent the top of the connecting rod from moving sideways.
1、Oil is supplied to the crosshead using
Oil is supplied to the crosshead using a swinging arm or a () and is sometimes boosted in pressure to and efficient lubrication.Atelescopic pipeBlarge bore pipeCgenerating pipeDcentral pipe
2、Directions: In each of the following g
Directions: In each of the following groups of words,there arc four underlined letters or letter combinationsmarked A, B, C and D. Compare the...
3、In the 17th century,the English g
In the 17thcentury,the English government encouraged people from Scotland and Northern England to emigrate to the north of Ireland because()Athe...
4、The load on the crosshead pin is alway
The load on the crosshead pin is always (), so it is the ()half of the bearing which is subject to wear.Aupwards;topBupwards;bottomCdownwards;topDdownwards;bottom
5、() the oxygen content in the exhaust g
() the oxygen content in the exhaust gas, () the combustion is.AThe lower;the worseBThe higher;the betterCThe lower;the betterDThe highest;the worst
6、During the diesel engine running, the
During the diesel engine running, the water level of FW expansion tank should normally kept in the () level of glass tube.Athe highestBabove 3/4C1/2-3/4Dthe lowest