正确答案: D
3
题目:艉轴承密封装置油压试验是采用重力油柜润滑油,从泵油至回油连续()min之内不准漏油。
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学习资料的答案和解析:
[单选题]已知某船排水量为2O000t,主机有效功率为10O00kW,主机重量为350t,动力装置总重量为8O0t,则该船主机单位重量为()kg/kW。
35
[单选题]新制艉轴铜套的厚度应为()。
0.03d+7.5mm
[单选题]油润滑艉轴承的优点是()和(),在有效地解决艉轴承密封后被广泛应用。
油膜承载大/油润滑性好
[单选题]当铁梨木艉轴承的轴承间隙和铁梨木板条的厚度均不符合要求,超过极限间隙时,可采用()方法修理。Ⅰ.更新艉轴承;Ⅱ.更新艉轴铜套;Ⅲ.焊补艉轴铜套;Ⅳ.只换新下瓦;Ⅴ.上、下瓦对调。
Ⅰ+Ⅳ+Ⅴ
[单选题]“Before disconnecting the oil pipe, would you flush the oil retained in the pipe?” asked the oil barge owner ()
with compressed air
[单选题]The work fuel does in each working cycle can be obtained by taking the ().
indicator cards
[单选题]The fuel oil pressure and forced draught pressure should be matched to ensure good combustion with a full steady flameIn the sentence the word “match” means ()
be equal to