● 电子支付模型不包括 (33) 。
(33)
A.支付系统无安全措施模型
B.数字现金支付模型
C.SET 模型
D.SSL 模型
第1题
A. Lube oil pressure gauge
B. Jacket water temperature gauge
C. Tachometer
D. Exhaust pyrometer
第2题
If a diesel engine were running at 20% overload with a smoky exhaust, you should_____.
A.stop the engine immediately to prevent damage
B.increase lube oil pressure
C.slow the engine allowing it to gradually cool
D.decrease the cooling water it temperature to the water jacket
第3题
A.Air will enter the cooling system
B.Carbon will plug the water cooled exhaust manifolds
C.The jacket water temperature will rise
D.The lube oil viscosity will increase
第4题
A.formation of carbon on the intake and exhaust ports
B.high water jacket temperatures
C.overheated pistons and cylinders
D.an increase in lube oil viscosity due to fuel dilution
第5题
A.air binding of the engine cooling system
B.a cracked water cooled exhaust manifold
C.blockage in the heat exchanger
D.faulty operation of the thermostat
第6题
A.reduce lube oil temperature
B.raise exhaust temperature reduce
C.excessive heating of engine room
D.reduce load on cooling water pump
第7题
The space between cylinder liner and jacket is called _____.
A.the cooling water
B.the circulating water
C.the cooler
D.the cooling water space
第8题
A. Water temperature
B. Water pressure
C. Exhaust temperature
D. Air box pressure
第9题
A.an overfilled expansion tank
B.excess chromate treatment of the jacket water
C.a clogged raw water sea suction
D.cavitation erosion of the heat exchanger tubes
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