单选题Which of the following statements regarding low expansion foam and its application is INCORRECT?().AFoam should not be used on electrical firesBOne kilo of low expansion foam solution produces much more foamCFoam is only efficient when it covers the top of burning combustiblesDA stream of foam should be deflected off the deck in order to best agitate the fire

单选题
Which of the following statements regarding low expansion foam and its application is INCORRECT?().
A

Foam should not be used on electrical fires

B

One kilo of low expansion foam solution produces much more foam

C

Foam is only efficient when it covers the top of burning combustibles

D

A stream of foam should be deflected off the deck in order to best agitate the fire


参考解析

解析: 暂无解析

相关考题:

In the following statements about the principle of the low level controlling, which is WRONG? 0 A.Low level is monitored on the drain tank and header tank.B.If there is high differential the filters pressure across the circulatingpumps is alarmedC.The lubricating oil purifier cannot take oil from the drain tankD.If the sea water pressure falls, this also operates an alarm

Which of the following statements is correct regarding an oil with a high viscosity index?A.A large change of viscosity occurs with a minor change in temperatureB.No change in viscosity occurs with any change in temperatureC.Very little change in viscosity occurs with a significant change in temperatureD.The viscosity of the oil increases with an increase in temperature

The man page for command shows the following syntax: The man page for command shows the following syntax: command [ -a | -b ] Which of the following statements is true regarding this entry?() A. Either the -a or flag -b may be used, but not both.B. If the flag -a is used then the flag -b also must be used.C. One of the -a or -b flags must be used, but not both at the same time.D. Both the flags may be used together, but neither are mandatory.

The following configuration command was entered into a router:ip route 172.16.3.0 255.255.255.0 192.168.2.4 Which of the following statements are true regarding this configuration change?() A. The default administrative distance is used.B. The command is used to establish a static route.C. The command is used to configure the router interfaces.D. The command is used to establish a stub network.E. The subnet mask for the source address is 255.255.255.0

Which of the following expansion slots would be BEST for a fiber network card?()A、 ISAB、 PCIxC、 PCIeD、 AGP

Multiple expansion cards are installed in a rack mount 1U server. All expansion cards stop working simultaneously.  Which of the following is the MOST likely cause of the problem?()A、 MotherboardB、 Operating systemC、 Expansion cardsD、 Riser cards

Which of the following statements is true regarding the VERSIONS BETWEEN clause?()  A、 The VERSIONS BETWEEN clause may be used in DML statements.B、 The VERSIONS BETWEEN clause may be used in DDL statements.C、 The VERSIONS BETWEEN clause may not be used to query past DDL changes to tables.D、 The VERSIONS BETWEEN clause may not be used to query past DML statements to tables.

Which of the following statements is TRUE concerning the po column of the vmstat command?()A、 The sys is high when po is high.B、 The po represents the number of page steals.C、 The low values usually indicate insufficient paging space.D、 The low values usually indicate sufficient memory for the load.

Which of the following statements is correct regarding a hybridcrypto system?()A、 uses symmetric crypto for keys distributionB、 uses symmetric crypto for proof of originC、 uses symmetric crypto for fast encrypted/decryptionD、 uses asymmetric crypto for message confidentialityE、 uses symmetric crypto to transmit the asymmetric keys that is thenused to encrypt a session

The following configuration command was entered into a router:ip route 172.16.3.0 255.255.255.0 192.168.2.4 Which of the following statements are true regarding this configuration change?()A、The default administrative distance is used.B、The command is used to establish a static route.C、The command is used to configure the router interfaces.D、The command is used to establish a stub network.E、The subnet mask for the source address is 255.255.255.0

Which of the following expansion slots is 64-bit?()A、 PCIxB、 PCIC、 ISAD、 PCIe

Which of the following expansion cards can be installed into an AGP slot?()A、ModemB、NetworkC、VideoD、RAID

The man page for command shows the following syntax: The man page for command shows the following syntax: command [ -a | -b ] Which of the following statements is true regarding this entry?()A、Either the -a or flag -b may be used, but not both.B、If the flag -a is used then the flag -b also must be used.C、One of the -a or -b flags must be used, but not both at the same time.D、Both the flags may be used together, but neither are mandatory.

Which of the following statements are true regarding the Recycle Bin?()A、 The Recycle Bin is a physical storage area for dropped objects.B、 The Recycle Bin is a logical container for dropped objects.C、 The Recycle Bin stores the results of a Flashback Drop operation.D、 The objects in the Recycle Bin are stored in the tablespace in which they were created.

单选题Which of the following statements describes the function of an expansion tank in a diesel engine cooling system?()AMaintains a constant head on the systemBReduces the likelihood of air or steam pockets formationCProvides a low pressure point for the addition of makeup cooling waterDAll of the above

单选题If the turbocharger of a four-stroke/cycle diesel engine fails to operate, which of the following statements best describes the probable effect?()AIntake manifold pressure will be highBIntake manifold pressure will be unaffectedCExhaust temperatures will be highDExhaust temperatures will be low

单选题Which of the following is the author’s primary concern regarding the application of the new technology?AThe expansion of the new technology may not bring profits to the companies.BMost people who use the technology will not have a baby as they want.CThe effect of the new technology still needs to be carefully examined.DIncreasing use of the technology may disturb the sex balance in the population.

单选题Which of the following statements is TRUE regarding crane operations().ARadio communications allow the crane operator to disregard the use of hand signalsBThe crane operators and signalman must be familiar with the correct hand signalsCThe forward cranes can be operated from the bridgeDThe aft cranes can be operated from the aft steering station

单选题Which of the following statements is TRUE concerning the po column of the vmstat command?()A The sys is high when po is high.B The po represents the number of page steals.C The low values usually indicate insufficient paging space.D The low values usually indicate sufficient memory for the load.

多选题Which of the following statements are true regarding the Recycle Bin?()AThe Recycle Bin is a physical storage area for dropped objects.BThe Recycle Bin is a logical container for dropped objects.CThe Recycle Bin stores the results of a Flashback Drop operation.DThe objects in the Recycle Bin are stored in the tablespace in which they were created.

多选题On a Cisco Unified Computing System (UCS), which two statements regarding Ethanalyzer are true?()AInterface inbound-low handles Rx and Tx of low-priority control packetBInterface inbound-lo handles Rx and Tx of high-priority control packetCInterface inbound-low maps to internal interface eth3DInterface inbound-low maps to internal interface eth4

单选题Which of the following statements regarding documentation would not be considered a helpful stepin the troubleshooting process?()AUse the Cisco Auto Configuration toolBUse the Cisco Rollback featureCAutomate documentationDSchedule documentation checksEUse the Cisco Configuration Archive toolFRequire documentation prior to a ticket being closed out

单选题Which of the following statements is true regarding the VERSIONS BETWEEN clause?()A The VERSIONS BETWEEN clause may be used in DML statements.B The VERSIONS BETWEEN clause may be used in DDL statements.C The VERSIONS BETWEEN clause may not be used to query past DDL changes to tables.D The VERSIONS BETWEEN clause may not be used to query past DML statements to tables.

单选题Which of the following expansion cards should be installed into a server to provide iSCSI SANconnectivity?()AHBABPBXCVoIPDNIC

单选题Which of the following statements is correct regarding an oil with a high viscosity index?()AA large change of viscosity occurs with a minor change in temperatureBNo change in viscosity occurs with any change in temperatureCVery little change in viscosity occurs with a significant change in temperatureDThe viscosity of the oil increases with an increase in temperature

单选题Which of the listed components is considered to separate the high pressure side of a refrigeration cycle from the low pressure side of the cycle?()AThe condenser and the expansion valveBThe king valve and the solenoid valveCThe compressor and the expansion valveDThe condenser and the solenoid valve

单选题You are passing the Bayou Sara gage which reads 3.9 feet. Which of the following statements is TRUE?()AThe river level is above the Low Water Reference PlaneBRed Store Landing Revetment is ahead on your starboard sideCThis gage reading is at a lower elevation than the same reading on the gage at Head of PassesDNone of the above