更多"The two most effective generating f"的相关试题:
[单项选择]Tensile stress is a result of two forces acting in（）.
A. opposite directions on the same line，tending to pull the material apart
B. opposite directions on the same line，tending to compress the object
C. opposite directions along parallel lines
D. the same direction along parallel lines
[单项选择]The result of two forces acting in opposite directions and along parallel lines，is an example of what type of stress?（）
A. Tensile
B. Compression
C. Shear
D. Strain
[单项选择]Manifest and cargo plan are the two most important shipping papers required for（）.
A. provision order
B. discharging planning
C. annual repair
D. outward clearance
[单项选择]The two most common gases used in pneumatic system are （）
A. compressed air and nitrogen
B. helium and nitrogen
C. oxygen and hydrogen
D. oxygen and acetylene
[多项选择]Which two of these multicast deployments are most susceptible to attacks from unknown sources?（）
A. ASM
B. BiDirPIM
C. PIM-SMRP
D. RP-Switchover
E. SourceSpecificMulticast
[多项选择]Which two characteristics are most typical of a SAN? （）
A. NICs are used for network connectivity.
B. Servers request specific blocks of data.
C. Storage devices are directly connected to servers.
D. A fabric is used as the hardware for connecting servers to storage devices.
E. The TCO is higher because of the cost of director class storage switches.
[单项选择]When an oil fire has been extinguished, the surface of the oil should be kept covered with foam to prevent （）.
A. air from contacting the oil vapors
B. permitting re-ignition boiling of the heated oil
C. spontaneous combustion below the oil surface
D. toxic fumes from escaping to the surface
[单项选择]A(n) （） is a mechanical attack on the metal surface which may be due to a disturbance in the flow of the water over the blade of the propeller.
A. erosion
B. corrosion
C. pitting
D. dezincification
[单项选择]Environmental loading consists of the forces caused by wind，waves，and（）.
A. drilling
B. soil reactions
C. temperature
D. current
[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]In snall angle stability, when external forces exist , the buoyant force is assumed to act vertically upwards through the center of buoyancy and through the（）.
A. center of gravity
B. center of flotation
C. metacenter
D. metacentric height
[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
[单项选择]In the absence of external forces, adding weight on one side of a floating vessel causes the vessel to（）.
A. heel until the angle of loll is reached
B. list until the center of buoyancy is aligned vertically with the center of gravity
C. trim to the side opposite TCG until all moments are equal
D. decrease draft at the center of flotation
[单项选择]In small-angle stability，when external forces exist，the buoyant force is assumed to act vertically upwards through the center of buoyancy and through the（）.
A. center of gravity
B. center of flotation
C. metacenter
D. metacentric height
[单项选择]In the absence of external forces，adding weight on one side of a floating vessel causes the vessel to（）.
A. heel until the angle of loll is reached
B. list until the center of buoyancy is aligned vertically with the center of gravity
C. trim to the side opposite TCG until all moments are equal
D. decrease draft at the center of flotation
[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
