【名词&注释】
动力装置(power plant)、燃油消耗量(fuel consumption)、静平衡试验(static balance test)、金属丝(wire)、螺旋桨推力(propeller thrust)、螺旋桨静平衡
[单选题]在采用金属丝锁紧螺母时,金属丝缠绕螺母的方向应()。
A. 与螺母的旋紧方向一致
B. 与螺母的旋紧方向相反
C. 任意
D. 不予要求
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学习资料:
[单选题]动力装置燃料消耗率bz指的是动力装置每小时燃油消耗量与()之比。
A. 主机指示功率
B. 主机有效功率
C. 螺旋桨吸收功率
D. 螺旋桨推力(propeller thrust)功率
[单选题]螺旋桨静平衡试验后,桨叶上不平衡质量超过允许值时,通常应对()进行修整。
A. A.质量较小的桨叶
B. B.质量较大的桨叶
C. C.每个桨叶
D. D.质量较小和较大的桨叶
[单选题]() of the A-frames there is a strong cast iron frame called the scavenging air box.
A. At the top
B. At the bottom
C. In the top
D. In the bottom
[单选题]Engine fuel pump index is ().
A. the viscosity index
B. the fuel oil contents
C. the starting speed
D. the reading at the rack
[单选题]It is well known that good lubrication will () the bearings from becoming overheated.
A. present
B. prevent
C. avoid
D. provide
[单选题]The overspeeding of the diesel engine driving an electric generator could cause ().
A. low voltage trip to trip
B. reverse power trip to trip
C. damage to windings
D. excessive exhaust temperature
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