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Bridge gauge can be used to measure （） of a diesel engine.

题目
单选题
Bridge gauge can be used to measure （） of a diesel engine.
A

diameters of journals

B

deflections of crankwebs

C

diameters of crankpins

D

none of the above

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相似问题和答案

第1题：

A sling psychrometer is a(n) ______.

A.type of cargo gear

B.instrument used in celestial navigation

C.instrument used to measure relative humidity

D.instrument used to measure specific gravity


正确答案：C

第2题：

Which of the following statements is TRUE regarding automatic identification systems（AIS）________．

A.AIS cannot be used to make passing arrangements because the system is not capable of this type of ship-to-ship communications

B.AIS cannot be used to make passing arrangements because the ship-to-ship text messaging feature is for emergency use only

C.AIS can be used to make passing arrangements via ship-to-ship text messaging but a vessel operator is not relieved from the requirement to sound whistle signals or make arrangements via bridge-to-bridge radiotelephone

D.AIS can be used to make passing arrangements via ship-to-ship text massaging thus relieving a vessel operator from making such arrangements via bridge-to-bridge radiotelephone or signaling intent to pass via whistle signals


正确答案：C

第3题：

A technique that can be used to measure the total income of a project compared to the total moneys expended at any period of time is:

A . return on investment (ROI)

B . net present value (NPV)

C . discounted cash flow (DCF)

D . B and C

E . All of the above.


正确答案：E

第4题：

The network administrator has enabled BPDU guard on the LAN.  Why is an effective way to prevent an unauthorized rogue switch from altering the spanning-tree topology of this network？ （）

  • A、BPDU guard can be used to prevent invalid BPDUs from propagating throughout the network. 
  • B、BPDU guard can guarantee proper selection of the root bridge.
  • C、BPDU guard can be utilized to prevent the switch from transmitteing BPDUs and incorrectly altering the root bridge election.
  • D、BPDU guard can be utilized along with PortFast to shut down ports when a switch is connected to the port.
  • E、None of the other alternatives apply

正确答案:D

第5题：

钮锁、拉杆、桥锁、桥板是用于绑扎集装箱的工具。（）

  • A、Lashing bars, twist locks, bridge plates and bridge fittings are tools used for lashing containers.
  • B、Twist locks, bridge plates, bridge fittings and lashing bars are tools used for lashing containers.
  • C、Twist locks, lashing bars, bridge fittings and bridge plates are tools used for lashing containers.
  • D、Lashing bars, bridge fittings, bridge plates and twist locks are tools used for lashing containers.

正确答案:C

第6题：

A check line is ______．

A.A safety line attached to a man working over the side

B.Used to measure water depth

C.Used to slow the headway of a barge

D.Used to measure the overhead height of a bridge


正确答案：C

第7题：

An aneroid barometer is an instrument ______.

A.used to measure the speed of wind

B.in which the pressure of air is measured

C.that tells which direction a storm is coming from

D.used to measure the height of waves


正确答案：B
无液[空盒]气压表是测量空气压力的一种仪器。

第8题：

Can you measure oil level? Which method is right, to measure ullage height or to measure oil depth?


正确答案：Both will do. In practice, to measure ullage height is more specific than to measure oil depth. To measure ullage height, we should know the standard height of oil tank. In common practice, we usually measure the oil depth.

第9题：

Which two statements are true when the extended system ID feature is enabled？ （）

  • A、The BID is made up of the bridge priority value（two bytes） and bridge MAC address （six bytes）.
  • B、The BID is made up of the bridge priority （four bits）， the system ID （12 bits）， and a bridge MAC address （48 bits）.
  • C、The BID is made up of the system ID （six bytes） and bridge priority value （two bytes）.
  • D、The system ID value is the VLAN ID （VID）.
  • E、The system ID value is a unique MAC address allocated from a pool of MAC addresses assigned to the switch or module.
  • F、The system ID value is a hex number used to measure the preference of a bridge in the spanning-tree algorithm.

正确答案:B,D

第10题：

Which statement is true regarding an Ethernet collision domain?（）

  • A、If a router is used, the collision domain includes all devices connected to the router
  • B、If a hub is used, the colision domain is limited to each device and the hub
  • C、If a switch is used, the collision domain is limited to each device and the switch
  • D、If a bridge is used, the collision domain includes all devices connected to the bridge

正确答案:C

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