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Following an overhaul of a crosshead type diesel engine, the

题目
单选题
Following an overhaul of a crosshead type diesel engine, the engine is jacked over with the turning gear as part of the pre-start procedure, which of the listed pre-start procedures should be carried out?（）
A

Ensure proper cylinder lube oil flow

B

Open all air space drain cocks

C

Open all indicator valves

D

all of the above

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相似问题和答案

第1题：

单选题
Large crosshead type engine generally has two lubrication systems, a function performed only by crankcase oil system is（）
A

lubricating

B

cooling

C

cleaning

D

neutralizing


正确答案： A
解析： 暂无解析

第2题：

单选题
Which of the following procedures should be carried out to permit the use of a crosshead engine with an inoperable after-cooler?（）
A

Bypass the after-cooler to operate at speed

B

Run at reduced speed until the cooler can be repaired or renewed

C

Switch to diesel fuel and run at full speed

D

Nothing need to be done due to the low heating value of heavy fuel


正确答案： A
解析： 暂无解析

第3题：

In an auxiliary diesel engine bypass type lubricating oil system, the main lube oil pump forces_______ .

A.all of the oil used by the engine through a filter

B.some of the oil used by the engine through a filter

C.some of the oil used by the engine through a centrifuge

D.all of the oil used by the engine through a centrifuge


正确答案：C

第4题：

单选题
In a trunk type diesel engine piston, the thickness of the head or crown is determined by the（） Ⅰ.statically balanced Ⅱ.heat dissipation requirement
A

Ⅰ only

B

Ⅱ only

C

both Ⅰ and Ⅱ

D

neither Ⅰ nor Ⅱ


正确答案： D
解析： 暂无解析

第5题：

单选题
Which of the following gases represents the greatest threat to personnel safety in an engine room where the exhaust is leaking from a diesel engine?（）
A

Carbon dioxide

B

Carbon monoxide

C

Carbon trioxide

D

Hydrogen sulfide


正确答案： A
解析： 暂无解析

第6题：

单选题
（） can be found on most medium to large merchant vessels even if the main engine is either a steam turbine or 2-stroke crosshead engine.
A

The medium speed 4-stroke trunk piston engine

B

The low speed 2-stroke crosshead engine

C

The medium speed 2-stroke crosshead engine

D

The low speed 4-stroke trunk piston engine


正确答案： A
解析： 暂无解析

第7题：

单选题
Which of the following operating conditions can occur when shims are removed from the joint between the foot of a marine type diesel engine connecting rod and the bearing box?（）
A

Decreased connecting rod bearing clearance

B

Increased connecting rod bearing clearance

C

Decreased compression ratio

D

Increased compression ratio


正确答案： C
解析： 暂无解析

第8题：

单选题
The marine diesel engine is a type of diesel engine used on ships The （） of its operation is not very difficult to understand.
A

principle

B

principal

C

cause

D

case


正确答案： D
解析： 暂无解析

第9题：

单选题
Trunk type diesel engine pistons are effectively cooled when heat is（）
A

radiated through the engine block

B

transferred to water cooled cylinder walls

C

conducted through the piston crown

D

transferred to escaping exhaust gases


正确答案： B
解析： 暂无解析

第10题：

单选题
Following the failure of one turbocharger on a large, crosshead, main propulsion diesel engine, fitted with multiple turbochargers, which of the following actions should be taken prior to further operation of the engine? （）
A

Blank off the exhaust gas inlet to the damaged turbocharger

B

Secure cooling and lubrication to the damaged turbocharger

C

Lock the rotor of the damaged turbocharger

D

All of the above


正确答案： C
解析： 暂无解析

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