The purpose of a toast is to make the honored person feel good.

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• The purpose of the wearing rings used in a centrifugal pump is to （）.

  A . prevent an internal explosion in the pump when it is overheated B . enable a visual inspection of the pump while it is running C . insure a proper alignment of the pump coupling to the driver D . accommodate for friction between the impeller and the easing

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• The purpose of the purge valve at the top of the condenser in a refrigerating system is to（）

  A . remove any air that may accumulate in the system B . take out unpleasant fumes from the refrigerant C . vent off excess refrigerant in an emergency D . permit opening the refrigerating system for cleaning and inspecting

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• The main purpose of inspection for a running diesel engine is（）

  A . testing for the mechanical load and the thermal load B . inspecting thermal and mechanical condition of the engine C . inspecting each system and exhaust temperature D . testing for compress pressure and explosion pressure

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• The purpose of a devil’s claw is to（）.

  A . act as a chain stopper B . prevent the windlass from engaging C . prevent the chain from fouling on deck D . control the wildcat

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• The purpose of compressing the air within the cylinder of a diesel engine is to （）

  A . produce the heat for ignition B . decrease injection lag C . increase ignition delay D . aid in exhausting burnt gase

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• The purpose of a bilge well is to（）.

  A . afford access to the shell through the double bottoms B . collect water to be pumped out C . provide access for the pneumercator D . provide a base line for sounding measurement

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• The purpose of the flywheel of a diesel engine is to （）.

  A . counterbalance the crank throws on the crankshaft B . keep the engine running smoothly between power stroke C . provide a belt-driving surface for the operation of auxiliary machinery D . prevent the engine from overspeeding

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• What is the purpose of a rendezvous point (RP)?（）

  A . acts as a meeting place for sources and receivers of multicast traffic B . used in PIM dense m ode to create a database of all multicast sources C . used in PIM dense and sparse mode to create a database of all multicast sources D . acts as the designated router for a broadcast segment when multicast routing is enabled

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• The primary purpose of a load line is to establish required（）.

  A . minimum freeboard B . GM C . transverse stability D . fresh water allowance

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• One of the main purposes of refractories in a boiler furnace is to（）

  A . help preheat the air for the furnaces B . help preheat the feedwater C . protect economizer from excessive heat D . prevent excessive furnace heat losse

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• What is the purpose of IGMP in a multicast implementation?（）

  A . it is not used in multicast B . it determines the virtual address group for a multicast destination C . it dynamically registers individual hosts in a multicast group on a specific LAN D . it is used on WAN connections to determine the maximum bandwidth of a connection E . it determines whether Bidirectional PIM or PIM sparse mode will be used for a multicast flow

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• What is the purpose of the equalizing beam aboard a crane vessel（）.

  A . It allows for rotation of the hook in the single mode B . It is required to“twin-up”30-ton pedestal cranes C . It is used to pick up light loads D . It is used to rigidly connect two crane

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• What is the purpose of IGMP in a multicast implementation？（）

  A .  it is not used in multicast B .  it determines the virtual address group for a multicast destination C .  it dynamically registers individual hosts in a multicast group on a specific LAN D .  it is used on WAN connections to determine the maximum bandwidth of a connection E .  it determines whether Bidirectional PIM or PIM sparse mode will be used for a multicast flow

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• What is the purpose of a striker plate? （）

  A . Provides surface for applying force on machinery B . Provides landing surface for the sounding bob C . Absorbs machinery vibration D . Prevents valve stem over-travel

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• The purpose of storm oil in a sea anchor is to（）.

  A . weigh down the anchor B . lubricate the anchor C . repel dangerous fish D . smooth the sea

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• What is a key purpose of the Solutions Recommendation Guide?（）

  A . present Cisco products B . provide a framework of tested and proven models C . identify basic needs of the business D . calculate the business need priority

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• The purpose of the commutator and brushes on a DC generator is to（）

  A . change AC to DCcurrent B . change DC to AC current C . neutralize a armature reaction D . carry current to the outside circuit

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• The general purpose of a heat exchanger is to （）.

  A . eliminate hot air from the condenser B . maintain steady pressure in a system C . heat, or cool one fluid by means of another fluid D . reduce the engine room temperature in tropical climate

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• The purpose of the tripping line on a sea anchor is to（）.

  A . Aid in casting off B . Direct the drift of the vessel C . Aid in its recovery D . Maintain maximum resistance to broaching

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• Which of the following is the purpose of a commemorative speech? ______

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• What is the purpose of writing a topic sentence at the beginning of a paragraph?

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• The main purpose of a speech of presentation is to tell the audience why the recipient is receiving the award.

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• 116．The purpose of a bilge well is to ___.

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• The purpose of the arrowheads on a cutting plane line is to:

  A．show the direction in which the imaginary cut surface is viewed B．indicate the location of the cutting plane C．identify the reference letters such as section A-A or B-B,etC D．all of the above

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