The atmosphere（）certain gases mixed together in definite proportions...

第1题

A、A.as a mass of warm，humid air rises into the atmosphere and cools，condensing moisture into small droplets B、B.as winds blow across bodies of water，the sun causes the moisture to be absorbed and move upward forming clouds C、C.dry air compresses moisture from the atmosphere into clouds D、D.when the relative humidity of the atmosphere is low

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第2题

[单选题] You are the network administrator for your company. The network consists of a single Active Directory domain. All computers on the network are members of the domain. The domain contains a Windows Server 2003 computer named Server1. You are planning a public key infrastructure （PKI） for the company. You want to deploy a certification authority （CA） on Server1. You create a new global security group named Cert Administrators. You need to delegate the tasks to issue， approve， and revoke certificates to members of the Cert Administrators gro

A、 Add the Cert Administrators group to the Cert Publishers group in the domain. B、 Configure the Certificates Templates container in the Active Directory configuration naming context to assign the Cert Administrators group the Allow - Write permission. C、 Configure the CertSrv virtual directory on Server1 to assign the Cert Administrators group the Allow - Modify permission. D、 Assign the Certificate Managers role to the Cert Administrators group.

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第3题

[单选题] You are the network administrator for your company. The network consists of a single Active Directory domain. All computers on the network are members of the domain. The domain contains a Windows Server 2003 computer named Server1. You are planning a public key infrastructure （PKI） for the company. You want to deploy a certification authority （CA） on Server1. You create a new global security group named Cert Administrators. You need to delegate the tasks to issue， approve， and revoke certificates to members of the Cert Administrators group. What

A、 Add the Cert Administrators group to the Cert Publishers group in the domain. B、 Configure the Certificates Templates container in the Active Directory configuration naming context to assign the Cert Administrators group the Allow - Write permission. C、 Configure the CertSrv virtual directory on Server1 to assign the Cert Administrators group the Allow - Modify permission. D、 Assign the Certificate Managers role to the Cert Administrators group.

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第4题

[单选题] Which statement is TRUE concerning the ventilation of engine and fuel tank compartments on uninspected towing vessels using fuel with a flash point of 100°F?（）

A、There shall be at least 3 ventilator ducts open to the atmosphere B、At least one exhaust duct shall extend from the open atmosphere to the lower portion of the bilge C、At least one intake duct shall extend from the open atmosphere to the lower portion of the bilge D、Only vessels using fuel with a flash point above 110°F need ventilate engine and fuel compartments

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第5题

[单选题] The purpose of the deck seal in an inert gas system is to prevent（）.

A、flammable vapors from entering machinery space B、flue gas escaping to atmosphere C、inert gas escaping to atmosphere D、air entering inert gas system

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第6题

[单选题] The humidity of the atmosphere can be determined by the use of the（）

A、anemometer B、potentiometer C、manometer D、psychrometer

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第7题

[单选题] You are about to enter a compartment to investigate a suspected smoldering fireIf youre not wearing a self-contained breathing apparatus, you should test the compartments atmosphere to determine if there is/are （）.

A、sufficient oxygen to sustain human life B、an explosive mixture in the compartment C、a toxic atmosphere in the compartment D、All of the above

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第8题

[单选题] The remaining oil in the lubricating pipes and ducts should be blown out with （）.

A、atmosphere B、the fresh water C、compressed air D、chemical compounds

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第9题

[单选题] The lubricating pipes and dusts should be blown out with （）.

A、atmosphere B、the fresh water C、compressed air D、chemical compounds

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第10题

[单选题] Gasoline fumes tend to（）.

A、settle near the bottom of the bilge B、settle near the top of the bilge C、settle evenly throughout all levels of the bilge by mixing with air D、disperse to atmosphere

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The atmosphere（）certain gases mixed together in definite proportions.

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