【名词&注释】
润滑油(lubricating oil)、润滑性(lubricity)、动力装置(power plant)、广泛应用、排水量(displacement)、有效地(effectively)、符合要求(meet the requirement)、总重量(total weight)
[单选题]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。
A. 6
B. 5
C. 4
D. 3
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学习资料:
[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(total weight)为8O0t,则该船主机单位重量为()kg/kW。
A. 35
B. 80
C. 40
D. 17.5
[单选题]新制艉轴铜套的厚度应为()。
A. 0.02d+5mm
B. 0.015d+3.5mm
C. 0.03d+7.5mm
D. 0.01d+2mm
[单选题]油润滑艉轴承的优点是()和(),在有效地(effectively)解决艉轴承密封后被广泛应用。
A. 耐磨/价格低
B. 油膜承载大/油润滑性好
C. 耐磨/油润滑性好
D. 油膜承载大/耐磨
[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(meet the requirement),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。
A. Ⅱ+Ⅲ
B. Ⅰ+Ⅱ+Ⅳ+Ⅴ
C. Ⅰ+Ⅳ+Ⅴ
D. Ⅱ+Ⅲ+Ⅳ
[单选题]“Before disconnecting the oil pipe, would you flush the oil retained in the pipe?” asked the oil barge owner ()
A. by using of fresh water
B. with compressed air
C. by using of sea water
D. with chemical compound
[单选题]The work fuel does in each working cycle can be obtained by taking the ().
A. precautions
B. rpm
C. indicator cards
D. B and C
[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 ()
A. join with
B. mix
C. be equal to
D. be constant
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