网友您好, 请在下方输入框内输入要搜索的题目:
题目内容
(请给出正确答案)
单选题
船舶在冰区航行,一般冰量为4/10时,可取8节航速,冰量每增加1/10,航速应减少()。
A
0.5节
B
1节
C
1.5节
D
2节
参考答案
参考解析
解析:
暂无解析
更多 “单选题船舶在冰区航行,一般冰量为4/10时,可取8节航速,冰量每增加1/10,航速应减少()。A 0.5节B 1节C 1.5节D 2节” 相关考题
考题
单选题To function properly, oil control rings used on a diesel engine piston must distribute sufficient oil to all parts of the cylinder wall and must also().A
prevent any lubricant from reachingB
prevent excessive lubrication from reaching the combustion spaceC
Provide metal-to-metal contact to seal the cylinder against blow-byD
assure a positive means of scraping carbon accumulation from the cylinder
考题
单选题船舶航行中,突然在船首右前方近距离发现障碍物,应如何操纵船舶避离之()?A
立即操右满舵,待船首避离后,再操左满舵,使船尾避离B
立即操右满舵,待船首避离后,保持右满舵,使船尾避离C
立即操左满舵,待船首避离后,保持左满舵,使船尾避离D
立即操左满舵,待船首避离后,再操右满舵,使船尾避离
考题
单选题互见中两艘帆船相遇致有构成碰撞危险时(不在追越中),下列说法正确的是:() Ⅰ、左舷受风而又处于上风,不论下风船为何舷受风,该上风船肯定是一艘让路船 Ⅱ、右舷受风船而处于上风,不论下风船为何舷受风,该上风船肯定是一艘让路船 Ⅲ、左舷受风的船处于下风,不论上风船为何舷受风,均为直航船 Ⅳ、右舷受风的船处于下风,不论上风船为何舷受风,均为直航船A
Ⅰ、ⅢB
Ⅱ、ⅢC
Ⅱ、Ⅳ、D
Ⅰ、Ⅳ
考题
单选题In a diesel engine, blow-by()A
increase exhaust back pressureB
causes excessive crankcase pressureC
can only be detected by a compression checkD
decreases fuel consumption
考题
单选题构成交叉相遇局面的条件是:() Ⅰ、互见中; Ⅱ、两船在航且船首向交叉; Ⅲ、致有构成碰撞危险; Ⅳ、两艘同为机动船; Ⅴ、一船位于另一船的左舷或右舷半个罗经点到112.5度范围内A
Ⅰ~ⅤB
Ⅰ~ⅣC
Ⅰ、Ⅱ、ⅣD
Ⅱ~Ⅳ
考题
单选题The efficient burning of fuel in a diesel engine is dependent upon the ()A
temperature of compressionB
atomization of the fuelC
penetration of the fuelD
all of the above
考题
单选题The satellites over the major ocean regions cover the globe().A
besides the polar regionsB
including the North Pole and the South PoleC
above 70N and below 70SD
as far north and south 70
考题
单选题The control mode where the position of the final control element has a linear relationship with the position or value of the controller, variable is known as()A
two position controlB
proportion controlC
reset controlD
rate control
考题
单选题Which of the following operating procedures should be carried out immediately after any diesel engine is started?()A
Take all exhaust temperature readingB
Check the sump oil levelC
Verify proper lube oil pressureD
All of the above
考题
单选题The fresh water generator produces fresh water ().A
by cooling sea waterB
by heating sea waterC
by evaporation of sea waterD
by purifying sea water
考题
单选题表示风大小的常用单位包括()A
米/秒B
节C
风力等级D
D.B.C都对
热门标签
最新试卷