单选题Which firefighting method is an example of an indirect attack on a fire?().ABouncing a straight stream of water off the overhead to create spray effectBSpraying foam on a bulkhead and letting it flow down and over a pool of burning oilCFlooding a paint locker with CO2 and sealing the compartmentDCooling adjacent bulkheads with water to prevent the spread of the fire by conduction

单选题
Which firefighting method is an example of an indirect attack on a fire?().
A

Bouncing a straight stream of water off the overhead to create spray effect

B

Spraying foam on a bulkhead and letting it flow down and over a pool of burning oil

C

Flooding a paint locker with CO2 and sealing the compartment

D

Cooling adjacent bulkheads with water to prevent the spread of the fire by conduction


参考解析

解析: 暂无解析

相关考题:

A teacher showed students an example and explained the usage of past perfect tense, and asked students to list ten"past perfect tense" sentences by imitating that example. What's the teacher' s grammar teaching method?A.Consolidation.B.Presentation.C.Deduction.D.Induction.

Which of the following is an example of teachers' indirect corrective feedback?A.Say "went" instead of "go".__________B.We never use "at" that way.C.Choice A is not the right answer.D.Who can help him with this sentence

A teacher showed students an example and explained the usage of past perfect tense,and ask students to listen“past perfect tense”sentences by imitating that example.What’s teacher's grammar teaching method?A.Consolidation.B.Presentation.C.Deduction.D.Induction.

What are the elements with which a method is concerned?

Which one of the protocols below allows a router to respond to an ARP request destined to a remote host?()A、Gateway DPB、Reverse ARPC、proxy ARPD、Inverse ARPE、indirect ARP

Which two CANNOT directly cause a thread to stop executing?()A、 Calling the yield method.B、 Calling the wait method on an object.C、 Calling the notify method on an object.D、 Calling the notifyAll method on an object.E、 Calling the start method on another Thread object.

When compressing data with the DeflateStream class, how do you specify a stream into which to write compressed data?()A、 Set the BaseStream property with the destination stream, and set the CompressionMode property to Compression.B、 Specify the stream to write into the DeflateStream object is created (for example, in the constructor).C、 Use the Write method of the DeflateStream class.D、 Register for the BaseSream event of the DeflateStream class.

我在现场组织救火。()A、I’m on the spot organize firefighting.B、I’m on the spot organizing firefighting.C、I’m at the spot organizing firefighting.D、I’m at the spot organize firefighting.

Which statements concerning the methods notify() and notifyAll() are true?  A、Instances of class Thread have a method called notify().B、A call to the method notify() will wake the thread that currently owns the monitor of the object.C、The method notify() is synchronized.D、The method notifyAll() is defined in class Thread.E、When there is more than one thread waiting to obtain the monitor of an object, there is no way to be  sure which thread will be notified by the notify() method.

Which methods from the String and StringBuffer classes modify the object on which they are called?()  A、The charAt() method of the String class.B、The toUpperCase() method of the String class.C、The replace() method of the String class.D、The reverse() method of the StringBuffer class.E、The length() method of the StringBuffer class.

Given an EL function declared with:11.  12.spin 13.com.example.Spinner 14. 15.java.lang.String spinIt() 16. 17. Which two are true?()A、The function method must have the signature: public String spin().B、The method must be mapped to the logical name "spin" in the web.xml file.C、The function method must have the signature: public String spinIt().D、The function method must have the signature public static String spin().E、The function method must have the signature: public static String spinIt().F、The function class must be named Spinner, and must be in the package com.example.

Which two statements are true about using the isUserInRole method to implement security in a Java EEapplication?()A、It can be invoked only from the doGet or doPost methods.B、It can be used independently of the getRemoteUser method.C、Can return "true" even when its argument is NOT defined as a valid role name in the deployment descriptor.D、Using the isUserInRole method overrides any declarative authentication related to the method in which it is invoked.

Which statement is true?()A、A class’s finalize() method CANNOT be invoked explicitly.B、super.finalize() is called implicitly by any overriding finalize() method.C、The finalize() method for a given object is called no more than once by the garbage collector.D、The order in which finalize() is called on two objects is based on the order in which the two objects became finalizable.

单选题Which of the following is an example of teachers' indirect corrective feedback?ASay went instead of go.BWe never use at that way.CChoice A is not the right answer.DWho can help him with this sentence?

多选题Which two CANNOT directly cause a thread to stop executing? ()ACalling the yield method.BCalling the wait method on an object.CCalling the notify method on an object.DCalling the notifyAll method on an object.ECalling the start method on another Thread object.

单选题The success of an indirect attack on a fire depends on the().Asize of the fire when initially observedBcomplete containment of the fireCcooling ability of the firefighting agentDclass of the fire

单选题Which method of the ChildActionExtensions class calls a child action method and renders the result inline in the parent view?()ARenderPartialBActionCRenderDRenderAction

单选题Which statement is true?()AA class’s finalize() method CANNOT be invoked explicitly.Bsuper.finalize() is called implicitly by any overriding finalize() method.CThe finalize() method for a given object is called no more than once by the garbage collector.DThe order in which finalize() is called on two objects is based on the order in which the two objects became finalizable.

问答题What are the elements with which a method is concerned?

多选题Which of the following statements about variables and scope are true?()ALocal variables defined inside a method are destroyed when the method is exited.BLocal variables are also called automatic variables.CVariables defined outside a method are created when the object is constructed.DA method parameter variable continues to exist for as long as the object is needed in which the method is defined.

单选题Which methods from the String and StringBuffer classes modify the object on which they are called?()AThe charAt() method of the String class.BThe toUpperCase() method of the String class.CThe replace() method of the String class.DThe reverse() method of the StringBuffer class.EThe length() method of the StringBuffer class.

单选题When compressing data with the DeflateStream class, how do you specify a stream into which to write compressed data?()A Set the BaseStream property with the destination stream, and set the CompressionMode property to Compression.B Specify the stream to write into the DeflateStream object is created (for example, in the constructor).C Use the Write method of the DeflateStream class.D Register for the BaseSream event of the DeflateStream class.

单选题Which statement about firefighting foam is TRUE?()AFoam conducts electricityBTo be most effective,foam should be directed at the base of the fireCFoam is most effective on burning liquids which are flowingDFoam can ONLY be used to extinguish class A fires

单选题An indirect radar echo is caused by a reflection of the main lobe of the radar beam off the observer’s vessel. Which of the following is NOT a characteristic of indirect echoes?().ATheir bearing is almost constant,even when the true bearing of the contact changes appreciablyBThey always appear on a bearing of 90°from the true bearing of the contactCThe indirect echoes usually appear in shadow sectorsDWhen plotted,their movements are usually abnormal

多选题Given an EL function declared with:11.  12.spin 13.com.example.Spinner 14. 15.java.lang.String spinIt() 16. 17. Which two are true?()AThe function method must have the signature: public String spin().BThe method must be mapped to the logical name spin in the web.xml file.CThe function method must have the signature: public String spinIt().DThe function method must have the signature public static String spin().EThe function method must have the signature: public static String spinIt().FThe function class must be named Spinner, and must be in the package com.example.

多选题Which statements concerning the methods notify() and notifyAll() are true?AInstances of class Thread have a method called notify().BA call to the method notify() will wake the thread that currently owns the monitor of the object.CThe method notify() is synchronized.DThe method notifyAll() is defined in class Thread.EWhen there is more than one thread waiting to obtain the monitor of an object, there is no way to be  sure which thread will be notified by the notify() method.

单选题Which of the following is the best example of a heuristic as it is described in Passage 1 ?Athe rules of debate in a formal legislatureBthe system by which democratic societies choose leadersCthe process of deciding quickly whether or not an approaching person is friendlyDa procedure for solving complex algebraic equationsEa therapeutic method for resolving personal conflicts