The engine________smoke and steam．（ ）

[单选题]Water, when boiled, always ______ steam.A． gives inB． gives upC． gives offD． gives away

After a day at work, I like to put some music on, dance around and let __ steam.

[单选题]What is an advantage of a steam turbine over a diesel for the main propulsion?（）A . Faster response from ahead to asternB . Less fuel consumptionC . Cheaper initial installation costD . Less weight per unit of horsepower

[单选题]In an auxiliary boiler steam and water system, the highest pressure will be in the （）.A . steam stop valveB . dry pipeC . feedwater systemD . generating tube

[单选题]The steam turbine parameters should match with that of the( )A.gas turbineB

[单选题]Such an engine frame helps （） the engine and so protect the bearings from the deformation forces transmitted via the ships double bottom.A . to stiffenB . to softenC . to loosenD . to wear

[名词解释] 蒸汽发生器 steam generator

[单选题]B．B．oiler rooms are often dirty and steamy, but this one is el.ean and cool. Fox Point is a very new47-unit living building in South Bronx, one of the city’s poorest areas. Two-thirds of the people living there are formerly (以前) homeless people, whos

Nonsmokers often breathe in the smoke from other people’s cigarettes. This is se

[单选题]The fire _______ a lot of smoke but little damage was done.A． gave awayB． sent offC． sent upD． gave off