Mechanical energy in transition is referred to as （）.

A、horsepower

B、work

C、heat

D、velocity

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更多“Mechanical energy in transition is referred to as （）.”相关的问题

第1题

[单选题] A centrifugal pump produces flow with a resulting discharge head by energy conversionIt is typical for the energy conversion to follow the order of （）.

A、mechanical energy to kinetic energy to potential energy B、mechanical energy to potential energy to kinetic energy C、potential energy to mechanical energy to kinetic energy D、kinetic energy to mechanical energy to potential energy

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第2题

[] The energy associated with molecules is known as （）.

A、A.kinetic energy B、B.potential energy C、C.mechanical energy D、D.thermal energy

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第3题

[] Which of the following forms of energy is demonstrated through the process of combustion?（）

A、A.Chemical energy B、B.Mechanical energy C、C.Thermal energy D、D.Electrical energy

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第4题

[单选题] A transformer in an electric circuit serves to （）

A、generate its own electrical power B、transform electrical energy into mechanical energy C、increase or decrease circuit voltage as required D、convert AC current to DC current

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第5题

[] In a diesel engine, offers the heat energy directly（）； works as working medium and changes the heat energy to mechanical energy（）

A、A.the burning of the fuel； medium shaft B、B.fuel spray； fresh air C、C.fuel； fuel spray D、D.the burning of the fuel； the burned gas mixture

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第6题

[单选题] The volute of centrifugal pump also acts as a diffuser converting （）into pressure head.

A、mechanical energy B、heat energy C、potential energy D、kinetic head

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第7题

[单选题] In a diesel engine,（） works as working medium and changes the heat energy to mechanical energy, changes the reciprocating movement to rotary moment（）

A、fuel spray； the burning of the fuel B、the burned gas mixture； connecting rod C、medium shaft；crankshaft D、the burned gas mixture； piston rod