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单选题Which of the following statements represents the function of the compression rings installed at the top of a diesel Engine piston?（）A Control the amount of lube oil burned in the combustion chamberB Transmit heat from the piston to the cylinder linerC

题目
单选题
Which of the following statements represents the function of the compression rings installed at the top of a diesel Engine piston?（）
A

Control the amount of lube oil burned in the combustion chamber

B

Transmit heat from the piston to the cylinder liner

C

Prevent damage to ring groove inserts by acting as a heat dam

D

Dissipate combustion chamber gas pressure by channeling it through the ring gap

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相似问题和答案

第1题：

Which of the following are types of routine objects?()

A.Package and function

B.Function and userexit

C.Procedure and package

D.Function and procedure


参考答案：D

第2题：

Which 4 statements regarding MPLS Label Stack Encoding is true？（）

  • A、A value of 4 represents the "Implicit NULL Label."
  • B、A value of 0 represents the "IPv4 Explicit NULL Label."
  • C、A value of 1 represents the "Router Alert Label". The use of this label is analogous to the use of the"Router Alert Option" in IP packets （for example， ping with record route option）
  • D、A value of 2 represents the "IPv6 Explicit NULL Label"
  • E、A value of 1 represents the "IPv1 Explicit NULL Label"
  • F、A value of 3 represents the "Implicit NULL Label"

正确答案:B,C,D,F

第3题：

Which of the following statements represents the function of the compression rings installed at the top of a diesel Engine piston?

A.Control the amount of lube oil burned in the combustion chamber

B.Transmit heat from the piston to the cylinder liner

C.Prevent damage to ring groove inserts by acting as a heat dam

D.Dissipate combustion chamber gas pressure by channeling it through the ring gap


正确答案：B

第4题：

Which of the following represents a wiring standard for twisted pair cables?（）

  • A、Fiber
  • B、T568A
  • C、IEEE1394
  • D、CAT5

正确答案:B

第5题：

Which of the following will allow a server to continue to function if a stick of memory fails？（）

  • A、 Chipkill
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  • C、 Registered memory
  • D、 ECC
  • E、 Hot spare

正确答案:B,E

第6题：

Which of the following statements is NOT a way of consolidating vocabulary

A.Defining.
B.Matching.
C.Gapfilling.
D.Labeling.

答案：A
解析：
考查词汇教学。

下定义是呈现新词汇的方法，而不是巩固已学词汇的方法。故此题的正确选项为A。

B、C、D均属于巩固词汇的方法。

故此题的正确选项为A。

第7题：

Which two statements are true about the role of split horizon？（）

  • A、It is a function used by routing protocols to install routes into routing table
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  • C、Its function is to help avoid routing loops.
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正确答案:B,C

第8题：

Which of the following statements describe the use of the keyword

static?

a) Within the body of a function: A static variable maintains its value

between function revocations

b) Within a module: A static variable is accessible by all functions

within that module

c) Within a module: A static function can only be called by other

functions within that module


正确答案：
 

第9题：

Which of the following server types performs the same function as the HOSTS file？（）

  • A、 FTP
  • B、 DHCP
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正确答案:C

第10题：

Which of the following represents a safety hazard？（）

  • A、liquid on the floor
  • B、a tiled floor
  • C、a concrete floor
  • D、carpet

正确答案:A

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