A.boiling and cavitations; low temperature
B.boiling and cavitations; pressurized
C.leaking and boiling; low temperature
D.leaking and boiling; pressurized
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A.smaller, higher
B.higher, smaller
C.smaller, smaller
D.higher, higher
A.heavy wall and intensive cooling
B.heavy wall and no cooling
C.thin wall and no cooling
D.thin wall and intensive cooling
A.on both the external and internal top edges
B.on both the external top and bottom edges
C.on both the external and internal bottom edges
D.on all the four edges
A.fuel valves；exhaust valve
B.exhaust valves；inlet valve
C.fuel valves；inlet valve
D.exhaust valves；fuel valve
A.scavenging air ports；exhaust ports
B.inlet ports；scavenging air ports
C.scavenging air ports；inlet ports
D.exhaust ports；inlet ports
最新試題
The flash point of a residual fuel oil should be used to determine the highest temperature to which oil may be heated（）
To shut down a diesel engine after it exceeds the set maximum speed，which type of device listed should be used?（）
（） is not installed on the main switchboar.
The ISPS Code consists of a mandatory section-Part A, which shows（）
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Flame failure in an automatically fired auxiliary boiler can from a/an （）
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Using a file without a handle may result in （）
（）connectors hold best if a wire is accidentally pulled or a connection becomes loose.