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An electrically driven automatically operating auxiliary blo

题目
单选题
An electrically driven automatically operating auxiliary blower is provided for slow speed and （） of a low speed diesel engine.
A

manoeuvring operations

B

bad combustion

C

cooling

D

mooring trial

参考答案和解析
正确答案： A
解析： 暂无解析
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相似问题和答案

第1题：

According to Regulations, a power driven auxiliary steering gear for a vessel capable of a 12 knot service speed, must be able to meet the rudder movement requirements at which of the minimum vessel speeds listed below?

A.6 knots

B.7 knots

C.9 knots

D.12 knots


正确答案：B

第2题：

Which are three challenges and trends that are driving the need for technology in the retail market？ （）

  • A、intense competition that is driven by the increased number of discounters
  • B、declining customer loyalty
  • C、compensating for staff shortages
  • D、changes in demographics
  • E、high operating costs
  • F、desire to offer Internet access in stores

正确答案:A,C,D

第3题：

Main engines as well as auxiliary engines operating on heavy fuel should have continuousoon the lubricating oil, either according tothebypass or batch principles

A.filtering

B.centrifuging

C.depositing

D.operating


答案：B

第4题：

单选题
In the event of failure of an auxiliary such as a lubricating pump, the standby pump is started and put on the line automatically“the line” in this sentence refers to（）
A

fuel manifold

B

lubricating pipe line

C

auxiliary engine pipe line

D

generator output line


正确答案： A
解析： 暂无解析

第5题：

单选题
Which is a function of the voltage regulators used with AC generators?（）
A

To cut out generators when they are no longer required

B

To cut in additional generators automatically as required

C

To divide the KW load equally between generators operating in parallel

D

To divide reactive current between generators operating in parallel


正确答案： C
解析： 暂无解析

第6题：

When youre performing a tablespace point-in-time recovery， which tablespaces will always be restored to the auxiliary instance？（）

  • A、 The SYSTEM tablespace.
  • B、 The UNDO tablespace.
  • C、 All tablespaces with tables.
  • D、 All tablespaces with indexes.
  • E、 No tablespaces are automatically restored.

正确答案:A,B

第7题：

The CS-MARS appliance offers attackmitigatons using which twomethods？  （）

  • A、 Automatically pushing ACLs to layer 3 devices to block the attacker’s traffic
  • B、 Automatically pushing commands to layer 2 switches to shutdown the attacker’s ports
  • C、 Automatically resetting the attacker’sTCP connections
  • D、 RecommendingACLs tobe manuallypushed tolayer 3 devices such as routers/firewalls
  • E、 Operating as an inline appliance， it automaticallyblocks malicious traffic inline
  • F、 Working inconjuction with CSM to block the attacker’s traffic inline

正确答案:B,D

第8题：

_______is usually driven by the engine camshaft and supplies pilot air to the cylinder air start valve.

A.An air receiver

B.An operating valve

C.An automatic valve

D.An air distributor


正确答案：D

第9题：

单选题
The load between two steam-driven alternators operating in parallel may be adjusted by varying （）
A

the speed of the alternators

B

the field strength of the machines

C

the power factor of the alternators

D

steam supply to the prime movers


正确答案： A
解析： 暂无解析

第10题：

单选题
The purpose of the programmed purge cycle on an automatically fired auxiliary boiler is to（）
A

cool the furnace to prevent pre-ignition

B

remove explosive vapors from the furnace

C

evaporate accumulated unburned fuel oil

D

provide sufficient air in the furnace to allow ignition of the fuel


正确答案： B
解析： 暂无解析

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