Smaller engines can be made more rigid than large ones and may not have （）.

A、through bolts

B、turbo-chargers

C、bed plates

D、columns

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更多“Smaller engines can be made more rigid than large ones and may not have （）.”相关的问题

第1题

[单选题] Smaller engines can be made more rigid than large ones and may not have （）.

A、connecting rods B、crankshaft C、crankcase D、through bolts

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第2题

[单选题] Smaller engines can be made more rigid than large ones and may not have （）.

A、through bolts B、dividing walls C、sloping surfaces D、relative angles

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第3题

[单选题] One of the differences between a two-stroke engine and a four-stroke engine is,（）

A、a two-stroke engine can’t work without cylinders B、a two-stroke engine can’t work without pistons C、a two-stroke engine can’t work without crankshafts D、a two-stroke engine can’t work without a blower

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第4题

[单选题] The reason why more and more of the large merchant vessels are being powered by medium-speed diesel engines is （）.

A、they operate between 150 and 450 rpm B、they are connected to the propeller by gearing C、their smaller size and weight D、they can be connected directly to the propeller without gearing

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第5题

[单选题] A VLCC (100，000 DWT+) with a 30，000 Shaft Horsepower Steam Turbine is slow to respond to engine movements and has less stopping power than normal ships because it has a（）.

A、bigger propeller B、smaller power weight ratio C、smaller propeller D、larger power weight ratio

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第6题

[单选题] Cast iron pistons used in large propulsion diesel engines are constructed with （）

A、not taper what so ever B、the skirt being tapered and smaller than the crown C、the skirt being tapered and larger than the crown D、the crown being tapered and smaller than the skirt

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第7题

[单选题] A VLCC (100，000 DWT+) with a 30，000 Shaft Horsepower Steam Turbine is slow to respond to engine movements and has less stopping power than normal ships because it has a（）.

A、bigger propeller B、smaller power to weight ratio C、smaller propeller D、larger power to weight ratio

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第8题

[单选题] A VLCC (100，000 DWT+) with a 30，000 Shaft Horsepower Steam Turbine is slow to respond to engine movements and has less stopping power than normal ships because it has a（）.

A、bigger propeller B、smaller power to weight ratio C、smaller propeller D、larger power to weight ratio

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第9题

[单选题] Control of the main propulsion diesel engines can be shifted from the engine room to the wheelhouse from the （）.

A、wheelhouse control station B、engine room control station C、captains office D、chief engineers office