更多"In each cylinder cover there are tw"的相关试题:
[单项选择]In each cylinder cover is a large central opening for mounting （）
A. the indicating cock
B. the starting valve
C. air inlet valve
D. the exhaust valve
[单项选择]The joint face between the cylinder cover and the liner is arranged （）the combustion process as possible.
A. such far away from
B. such near by
C. as far away from
D. as near by
[单项选择]The cylinder cover is not provided with （）.
A. fuel valve
B. lubricator
C. indicator valve
D. the starting valve
[单项选择]Each cylinder in a two stroke cycle engine experiences combustion（）.
A. once each crankshaft revolution
B. twice each crankshaft revolution
C. every other crankshaft revolution
D. every fourth stroke
[单项选择]Two navigational hazards are located near to each other，but each is marked by an individual cardinal buoyage system. The buoys of one cardinal system may be identified from the other system by（）.
A. the differing light colors
B. one system having odd numbers while the other system has even numbers
C. one system using horizontal bands while the other system uses vertical stripes
D. the difference in the periods of the light
[单项选择]Two vessels are approaching each other near head on. What action should be taken to avoid collision?（）.
A. The first vessel to sight the other should give way
B. The vessel making the slower speed should give way
C. Both vessels should alter course to starboard
D. Both vessels should alter course to port
[单项选择]Two vessels are abreast of each other and passing port to port in a confined waterway. What should you expect as your bow approaches the screws of the other vessel? （）
A. Your speed will significantly increase
B. Your draft will significantly decrease
C. Your bow will sheer towards the other vessel
D. Your bow will sheer away from the other vessel
[单项选择]Each piston stuffing box is provided with two sealing rings and three（）
A. packings
B. piston rings
C. distributor rings
D. scraper rings
[单项选择]Each crank is made up of two crank webs joined by a common（） to which the bottom endbearing is fitted.
A. throw
B. crankshaft
C. crankpin
D. crosshead
[单项选择]They are two dollars each but if you buy ten, you get a（）of ten per cent.
A. discount
B. recession
C. depression
D. discharge
[单项选择]At least two two-way VHF radiotelephone apparatus shall be provided on every cargo ship of（）tons gross tonnage and upwards but less than 500 tons gross tonnage.
A. 200
B. 300
C. 400
D. 800
[单项选择]Two-stroke engine turbocharging is achieved by two distinct methods, （） termed the constant pressure and the pulse system.
A. respectable
B. respectful
C. respective
D. respectively
[单项选择]A drilled hole is accurately finished to size with a （）
A. center drill
B. finish drill
C. broach
D. reamer
[单项选择]The crude oil overflowed from measuring-hole due to（）the valve of No.1 tank.
A. not close
B. not closing
C. not have closed
D. no closing
[单项选择]The knot used to join two lines or two large hawsers for towing is called a（）.
A. square knot
B. carrick bend
C. sheet bend
D. bowline
[单项选择]The two strokes of a two-stroke/cycle diesel engine are （）
A. power and intake
B. intake and exhaust
C. exhaust and compression
D. compression and power
[名词解释]三体（three-bodyproblem）
[单项选择]The WWNWS establishes three types of navigational warning:（）.
A. Distress, Urgency and Safety
B. Vital, Important and Routine
C. NAVAREA, Coastal and local
D. gale, Tsunami and Ice
[单项选择]Three SHORT BLASTS mean（）.
A. I am altering my course to starboard
B. I am altering my course to port
C. I am operating astern propulsion
D. I am operating ahead propulsion
