更多"Since the burning or combustion tak"的相关试题:
[单项选择]The sale usually takes place outside the house, with the audience（）on benches, chairs or boxes.
A. seated
B. seating
C. having seated
D. having been seated
[单项选择]Before any loading takes place any signs of the previous cargo should do（）.
A. kept
B. removed
C. replaced
D. recycled
[单项选择]When the fuel oil is burning in the combustion chamber, it （）.
A. gives up large amount of heat
B. gives off large amount of heat
C. gives up large amount of steam
D. gives off large amount of steam
[单项选择]It takes ages（）
A. for doing the shopping
B. to do the shopping
C. does the shopping
[单项选择]The supercharger takes air out of the surrounding atmosphere and then feeds it to the engine’s （）.
A. inlet valves
B. exhaust valves
C. emergency valves
D. run-return valves
[单项选择]Which of the listed methods of heat transfer takes place when two substances of different temperatures are in physical contact with each other?（）
A. Radiation
B. Conduction
C. Convection
D. Each of the above
[单项选择]Critical speeds occurring within the operating speed range of a main propulsion diesel engine may be changed, or have their damaging effects reduced by a/an （）
A. engine support vibration isolator
B. detuner or viscous fluid damper
C. lightened crankshaft flywheel
D. spherically seated crankshaft bearing
[单项选择]The sudden reduction of pressure occurring within the crankcase of a refrigeration compressor during starting causes the （）.
A. sudden evaporation of wax crystals in the lubricant
B. sudden evaporation of entrapped air in the lubricant
C. release of refrigerant from the oil/refrigerant mixture
D. release of dissolved lubricant from the refrigerant
[单项选择]Jim takes the medicine（）the doctor says.
A. as
B. like
C. what
D. because
[单项选择]The luminous range of a light takes into account the（）.
A. glare from background lighting
B. existing visibility conditions
C. elevation of the light
D. observer's height of eye
[单项选择]With four-stroke engines, it takes four revolutions of the crank shaft to make （） power stroke(s).
A. 1
B. 2
C. 4
D. 8
[单项选择]To maintain the down stream pressure within defined limits over a range of flow and despite any changes in supply pressure, （） is fitted.
A. a check valve
B. a gate valve
C. a pressure reducing valve
D. a quick closing valve
[单项选择]Ships changing their location within the port limits are also required to report their new （）.
A. bearings
B. distances
C. sections
D. positions
[单项选择]Her plane takes（） at 3 p.m.
A. up
B. off
C. on
D. in
[单项选择]If a vessel takes a sudden severe list or trim from an unknown cause，you should FIRST（）.
A. determine the cause before taking countermeasures
B. assume the shift is due to off-center loading
C. counterflood on the side opposite the list or trim
D. assume the cause is environmental forces
[单项选择]Forces within a drilling unit have caused a difference between the starboard and port drafts. This difference is（）.
A. list
B. heel
C. trim
D. flotation
[单项选择]Forces within a vessel have caused a difference between the starboard and port drafts. This difference is called（）.
A. list
B. heel
C. trim
D. flotation
