更多"You manage your H"的相关试题:
[单项选择] Ronaldo puso su firma en:
A. una camiseta;
B. una chaqueta;
C. una pelota.
D. un papelito.
[多项选择]除了标准RCCM和ASME中规定的阀体气压试验，应根据EN1266-1和EN1266-2执行以下附加试验（）。
A. 阀体密闭性（P11）
B. 阀坐密闭性（P12）
C. 阀塞或阀瓣强度（P20）
D. 背座密封性（P21）
E. 阀门的操作（F20）
[单项选择]聚丙烯（PP-R，PP-B）给水塑料管管材规格用dn×en表示，dn×en表示（）
A. 外径×壁厚
B. 内径×壁厚
C. 公称直径×壁厚
D. （外径+内径）／2×壁厚
[填空题]8259A工作于缓冲方式时，SP/EN是（）方向，当工作于非经冲方式时，SP/EN是（）方向。
[单项选择]Which expression has the different meaning from entry into force ? “entry into force” means is（）.
A. coming into effect
B. moving to full effect
C. being based on force
D. coming into force
[单项选择]Chart/Publication correction record Card system ensures that every chart is properly corrected（）.
A. in use
B. prior to use
C. after use
D. When chart received on board
[单项选择]White smoke exhausting from an operating diesel engine may indicate （）
A. a cracked liner
B. burning lube oil
C. an overloaded engine
D. insufficient combustion air
[单项选择]Black smoke exhausting from an operating diesel engine is an indication of poor combustion which may be caused by （）
A. water in the fuel
B. insufficient fuel for combustion
C. clogged air intake passages
D. burning lubricating oil
[单项选择] Examine the following command; ALTER SYSTEM SET enable_ddl_logging = TRUE; Which statement is true?（）
A. Only the data definition language (DDL) commands that resulted in errors are logged in the alert log file.
B. All DDL commands are logged in the alert log file.
C. All DDL commands are logged in a different log file that contains DDL statements and their execution dates.
D. Only DDL commands that resulted in the creation of new segments are logged.
E. All DDL commands are logged in XML format in the alert directory under the Automatic Diagnostic Repository (ADR) home.
[单项选择]Persistent knocking in one cylinder of a diesel engine could be caused by（）.
A. a low load on that cylinder
B. sluggish piston ring action
C. excessive piston crown cooling
D. excessive clearance of piston pin
[单项选择]Water accumulation in the cylinder of a secured engine is an indication that the （）
A. soft water pump was not secured along with the engine
B. jacket water thermostat has failed
C. cylinder liner may be cracked
D. raw water pump is over-speeding just prior to engine shutdown
[单项选择]However, where immediate action is necessary to ensure safety of the ship, its machinery and crew, it must be taken by the engineer in chargeWhat dose “it” mean in the sentence above?（）
A. safety
B. the ship, its machinery and crew
C. immediate action
D. the engineer in charge
[单项选择]According to the principle of two stroke diesel engine, what is the number of its efficient work stroke per revolution?（）
A. 1/2
B. 1
C. 2
D. 3
[单项选择]Persistent knocking of one cylinder of a diesel engine ceases when the fuel supply to that cylinder is securedThis problem may be a result of （）
A. low loading of that cylinder
B. faulty combustion in that cylinder
C. sluggish piston ring action
D. excessive piston cooling
