更多"Which is the correct procedure for "的相关试题:
[单项选择]The correct procedure for giving an auxiliary boiler a bottom blow, is to begin（）
A. when the boiler has been secured long enough for most solids to settle
B. when the boiler has been cooled to ambient temperature
C. only after raising the water level to within 0~5 inch of the high water cutout only
D. after bypassing the low pressure
[单项选择]Which procedure should be followed when individuals are rescued in cold climates and suffer from hypothermia?（）
A. Give them brandy
B. Keep them in motion
C. Immerse them in a warm bath (105°F，40°C)
D. Cover them with an electric blanket set for maximum temperature
[单项选择]Which of the routine maintenance procedure listed is required for starting air receivers?（）
A. Frequent draining of accumulated moisture
B. Frequent testing of relief valves
C. A close watch on temperature to prevent fluctuations in pressure
D. Frequent cleaning to re move oil and foreign matter
[单项选择]Which statement is correct regarding the operation of DHCP?（）
A. A DHCP client uses a ping to detect address conflicts.
B. A DHCP server uses a gratuitous ARP to detect DHCP clients.
C. A DHCP client uses a gratuitous ARP to detect a DHCP server.
D. If an address conflict is detected, the address is removed from the pool and an administrator must resolve the conflict.
E. If an address conflict is detected, the address removed from the pool for an amount of time configurable by the administrator.
F. If an address conflict is detected, the address is removed from the pool and will not be reused until server is rebooted.
[单项选择]Which statement is generally correct regarding the maintenance requirements for ships under GMDSS（）.
A. Redundancy of functions of certain equipment will partially meet this requirement
B. On-board maintenance provided by a person holding a GMDSS maintainer's license will partially meet the requirements
C. Shoreside maintenance and scheduled tests and inspections will partially meet this requirement
D. All of the above
[单项选择]Which is the correct fallback sequence for loading the Cisco IOS?（）
A. ROM, Flash, NVRAM
B. ROM, TFTP server, Flash
C. Flash, TFTP server, ROM
D. Flash, NVRAM, RAM
[单项选择]Which sequence is correct when launching a lifeboat stowed in gravity davits?（）
A. Release gripes，turn on emergency disconnect switch，release frapping lines
B. Release tricing pennants，turn on emergency disconnect switch，release frapping lines
C. Operate limit switches，release gripes，lift brake
D. Release gripes，lift brake，release tricing pennants
[多项选择]Which three statements are correct about RIP version 2 (Choose three.)（）。
A. It has the same maximum hop count as version 1
B. It uses broadcasts for its routing updates
C. It is a classless routing protocol
D. It has a lower default administrative distance than RIP version 1
E. It supports authentication
F. It does not send the subnet mask in updates
[单项选择]Which of these statements is correct regarding SSO and Cisco NSF?（）
A. Utilizing Cisco NSF in Layer 2 environments can reduce outages to one to three seconds.
B. Utilizing SSO in Layer 3 environments can reduce outages to one to three seconds.
C. Distribution switches are single points of failure causing outages for the end devices.
D. Utilizing Cisco NSF and SSO in a Layer 2 environment can reduce outages to less than one second.
E. NSF and SSO with redundant supervisors have the most impact on outages at the access layer.
[单项选择]Which of the following statements is correct regarding an oil with a high viscosity index?（）
A. A large change of viscosity occurs with a minor change in temperature
B. No change in viscosity occurs with any change in temperature
C. Very little change in viscosity occurs with a significant change in temperature
D. The viscosity of the oil increases with an increase in temperature
[单项选择]Which of the following statements is correct relative to distillation plant operation?（）
A. Distillation is the process of boiling seawater to produce vapor which is condensed into fresh water
B. Evaporation is the second part of the distillation process where brine is removed
C. Brine is the result of condensed sea water vapor
D. Distillate is the product resulting from the evaporation of fresh water vapor
[单项选择]Which of the following statements is correct with regards to the operation of a centrifugal cargo pump?（）
A. Oil is discharged from the impeller through the outlet
B. Gravity causes the oil to flow toward the discharge
C. The self-priming feature of the centrifugal pump enables it to draw its own suction as it starts
D. The discharge capacity varies directly with the speed of the impeller
[单项选择]Which of the listed statements is correct concerning refrigeration systems?（）
A. Dehydrators must be used continuously in a refrigeration system
B. A 25 ton refrigeration system has the same cooling effect as melting 25 tons of ice in 24 hours
C. A thermostatic expansion valve is used to control refrigerated space temperature
D. The liquid receiver functions to collect and remove non- condensable gases
[单项选择]Which of the following statements is correct concerning diesel engine cooling water systems?（）
A. Each engine must have its own engine driven cooling water pump capable of providing cooling for all ranges of operation
B. propulsion engines with bores exceeding 200 mm are to be fitted with a means to display the cooling water temperature of each cylinder
C. At least two independent sea suctions are to be provided for supplying water to the engine jackets or to the heat exchangers
D. Suitable strain are to be fitted between the circulating pumps and heat exchangers when sea water is used for direct cooling
