网友您好， 请在下方输入框内输入要搜索的题目：
题目内容
（请给出正确答案）
单选题
Which of the listed operations will cause an automatically controlled refrigeration compressor to restart?（）
A
Closing of the solenoid valve
B
Closing of the expansion valve
C
An increase in the suction pressure
D
Decreasing the suction pressure
参考答案
参考解析
解析：
暂无解析
更多 “单选题Which of the listed operations will cause an automatically controlled refrigeration compressor to restart?（）A Closing of the solenoid valveB Closing of the expansion valveC An increase in the suction pressureD Decreasing the suction pressure” 相关考题
考题
Which two statements are true about variable extent size support for large ASM files?()
A. The metadata used to track extents in SGA is reduced.B. Rebalance operations are completed faster than with a fixed extent sizeC. An ASM Instance automatically allocates an appropriate extent size.D. Resync operations are completed faster when a disk comes online after being taken offline.E. Performance improves in a stretch cluster configuration by reading from a local copy of an extent.
考题
Which of the conditions listed will cause a refrigeration compressor to run constantly without simultaneously decreasing the temperature in the refrigerated space?( )A.Shortage of refrigerant oilB.Slight shortage of refrigerantC.Excessive condenser cooling water flowD.Faulty expansion valve
考题
The plunger in a jerk pump is rotated until the release port is uncovered If the port remains uncovered all of the time, which of the listed operations will occur?A.No fuel will be deliveredB.The maximum effective stroke will be attainedC.The fuel delivered to the cylinder will be excessiveD.The injection nozzle will overheat and carbonize
考题
Which of the listed conditions can be considered as the single greatest cause of accidents?A.SpeedB.Excessive knowledge or skillC.Human errorD.Excitement
考题
Which of the problems listed could cause erosion of the expansion valve disks and seats?A.Overcharging the system with refrigerantB.Faulty compressor suction valveC.Failure of the high pressure cutoutD.Flash gas formed in the liquid line
考题
Which three service components are in the operate phase？（）A、System MonitoringB、Operations ImplementationC、Incident and Problem ManagementD、Change ManagementE、Operations PlanF、Project Close Out
考题
Which three wireless service components belong to the operate phase？（）A、operations planB、operations assessmentC、security administrationD、system monitoringE、operations implementationF、incident management
考题
In Recovery Manager （RMAN）， you have set control file autobackup to ON by using the following command： CONFIGURE CONTROLFILE AUTOBACKUP ON; Which two events would cause the control file to be backed up automatically？ （）A、a tablespace is taken offlineB、the database instance is restartedC、a new data file is added to an existing tablespaceD、a successful backup is recorded in the RMAN repositoryE、the RMAN connection is disconnected from the target database
考题
Which three service components belong to the operate phase（）A、Change ManagementB、Operations ImplementationC、System monitoringD、Incident ManagementE、Operations Assessment
考题
Which of the following IBM solutions protect system operations from a hardware failure by automatically moving services from a failing system to another system？（）A、eServer ClusterProven ProgramB、Parallel System Support ProgramC、Tivoli Disaster Recovery ManagerD、High Availability Cluster Multi-Processing
考题
There is more than one way to set the server to detect and affect long running operations automatically. What is the best choice of you want to reduce the impact of long running operations on other users without aborting the long running operations？（）A、Define user profiles and set the CPU_PER_CALL limit. B、Define a SWITCH_TIME for a plan in the Resource Manager. C、Create a batch job that checks V$SESSION_LONGOPS；the batch job alters the session priority of the long running operations. D、Create a user defined event in the Oracle Enterprise Manager， which monitors V$SESSION_LONGOPS.
考题
单选题When lighting off an auxiliary boiler, which of the problems listed could cause the burners to sputter?（）A
cold fuel oilB
low fuel oil pressureC
low atomizing steam pressureD
water in the fuel oil
考题
单选题Which of the conditions listed will cause a refrigeration compressor to run constantly without simultaneously decreasing the temperature in the refrigerated space?（）A
Shortage of refrigerant oilB
Slight shortage of refrigerantC
Excessive condenser cooling water flowD
Faulty expansion valve
考题
单选题Which of the listed problems can be a cause of low compression pressure in a diesel engine?（）A
clogged air filterB
compression strokeC
burned exhaust valvesD
all of the above
考题
单选题Which of the listed conditions can cause a diesel engine to use too much lube oil?（）A
Dirty lube oil filterB
Too much piston ring wearC
High lube oil viscosityD
Low lube oil temperature
考题
单选题There is more than one way to set the server to detect and affect long running operations automatically. What is the best choice of you want to reduce the impact of long running operations on other users without aborting the long running operations？（）A
Define user profiles and set the CPU_PER_CALL limit. B
Define a SWITCH_TIME for a plan in the Resource Manager. C
Create a batch job that checks V$SESSION_LONGOPS；the batch job alters the session priority of the long running operations. D
Create a user defined event in the Oracle Enterprise Manager， which monitors V$SESSION_LONGOPS.
考题
单选题Which of the listed pumps is NOT a positive displacement pump?（）A
CentrifugalB
ReciprocatingC
GearD
Rotary
考题
单选题Which of the listed conditions can cause lacquer to be deposited on a piston skirt?（）A
High sulphur content fuelB
High lube oil temperaturesC
High vanadium content fuelD
Excessive piston slap
考题
单选题Which of the listed conditions can be considered as the single greatest cause of accidents?（）A
SpeedB
Excessive knowledge or skillC
Human errorD
Excitement
考题
单选题Which of the following is NOT the advantages of the remote control and automation of engine operations?（）A
Routine supervisory labor particularly the unproductive night-service labor is reducedB
Engine mal-operation is automatically sensed and mannedC
The engine room need be manned at night in bad weather or close watersD
Some remedial measures can be taken automatically
考题
单选题What is NOT listed as a duty of the advertised position?A
Holding professional development sessionsB
Managing the operations of the book-keeping departmentC
Interviewing and hiring bookkeeping staffD
Assisting other managers with budget plans
考题
单选题Many sheath-screw davits have markings to indicate the maximum angle to which they should be cranked out. If the angle is exceeded，the davit（）.A
may jam against the stopsB
will not automatically position the boat at the embarkation stationC
screw may come out of the sheathD
will chafe against the falls and may cause their failure
考题
单选题During fueling operations, which of the listed precautions should be taken when topping off fuel tanks?（）A
Reduce the pumping rate by closing the deck filling valveB
Close all overflow valvesC
Place 5 gallon containers under all flange connections in the fuel lineD
Reduce the pumping rate and sound tanks frequently as the level rises
考题
单选题Which of the listed conditions will cause the feed water that has not flashed to vapor in the first-stage of a flash evaporator, to flow into the second-stage?（）A
Gravity siphon effectB
Higher vacuum in the second-stageC
Difference in brine density between first and second stagesD
lower pressure in first-stage
考题
多选题Which two statements are true about variable extent size support for large ASM files?（）AThe metadata used to track extents in SGA is reduced.BRebalance operations are completed faster than with a fixed extent sizeCAn ASM Instance automatically allocates an appropriate extent size.DResync operations are completed faster when a disk comes online after being taken offline.EPerformance improves in a stretch cluster configuration by reading from a local copy of an extent.
考题
单选题The temperature of the fuel oil received during bunkering operations is critical in determining the（）A
expansion space to leave in a tankB
flash point at which the fuel will burnC
temperature to which the fuel must be heatedD
rate at which the fuel can be pumped during transfer operations
考题
单选题Which of the listed failures, occurring in an automated diesel generator system, should cause an audible alarm at the engine room control station?（）A
Low cooling water outlet temperatureB
High lube oil pressureC
Low lube oil temperatureD
Low starting air pressure
热门标签
最新试卷