搜题

【单选题】

What type of valve is used to direct the flow of hydraulic fluid?（）

A、Relief valve

B、Direction control valve

C、Stop valve

D、Pressure control valve

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更多“What type of valve is used to direct the flow of hydraulic fluid?（）”相关的问题

第1题

[单选题] In the piping systems of a vessel，what type of valve gives the least resistance to fluid flow when fully open?（）.

A、Globe valve B、Butterfly valve C、Gate valve D、Packless valve

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第2题

[单选题] In the piping systems of a vessel , what type of valve gives the least resistance to fluid flow when fully open?（）.

A、Globe valve B、Butterfly valve C、Gate valve D、Packless valve

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第3题

[单选题] In some type of two-stroke engines, besides some small holes for（）, starting valve, safety valve, indicator cock, and central opening in each cylinder cover for mounting the（）

A、fuel valves；exhaust valve B、exhaust valves；inlet valve C、fuel valves；inlet valve D、exhaust valves；fuel valve

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第4题

[单选题] A(n) （） is a special type of valve which prevents the passage of steam but allows condensate to pass.

A、check valve B、non-return valve C、steam trap D、quick closing trap

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第5题

[单选题] The（） is a smaller valve fitted in the auxiliary steam supply line, and is usually of the non-return type.

A、main stem stop valve B、auxiliary steam stop valve C、feed check or control valve D、blow down valve

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第6题

[单选题] The（）is fitted in the main steam supply line and is usually of the non-return type.

A、main steam stop valve B、auxiliary steam stop valve C、feed check or control valve D、blow down valve

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第7题

[单选题] Rotating flyweights acting against spring pressure make a simple type of （）.

A、governor B、safety valve C、reducing valve D、feed water regulator

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第8题

[] On a ship，the possibility of a blowout makes which type of diesel engine shutdown desirable?（）

A、A.Overspeed trip B、B.Air inlet shut-off valve C、C.Water injector D、D.Fuel cutoff valve

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第9题

[单选题] The solenoid valve can be typed as a（）

A、thermal valve B、magnetic stop valve C、bellows valve D、bimetallic valve

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