Oil is discharged from the impeller through the outlet
Gravity causes the oil to flow toward the discharge
The self-priming feature of the centrifugal pump enables it to draw its own suction as it starts
The discharge capacity varies directly with the speed of the impeller
第1题:
22 Which of the following statements about limited liability companies’ accounting is/are correct?
1 A revaluation reserve arises when a non-current asset is sold at a profit.
2 The authorised share capital of a company is the maximum nominal value of shares and loan notes the company
may issue.
3 The notes to the financial statements must contain details of all adjusting events as defined in IAS10 Events after
the balance sheet date.
A All three statements
B 1 and 2 only
C 2 and 3 only
D None of the statements
第2题:
Which of the following statements about internet is (are) correct?
Ⅰ.Each host in internet only has a IP address.
Ⅱ.It is possible to have multiple names corresponding to the same IP address.
Ⅲ.In users' points, Internet means a virtual network.
A.None
B.Ⅰ and Ⅱ
C.Ⅱ and Ⅲ
D.All
第3题:
Which of the following statements about ORACLE is (are) correct?
Ⅰ.ORACLE follows SQL standard
Ⅱ.ORACLE database defines two logical types: table and view
A.Ⅰonly
B.Ⅱ only
C.Ⅰ and Ⅱ
D.none of the above
第4题:
Your database is up and running and one of your three control files is accidentally erased. You start RMAN and run the following command: RESTORE CONTROLFILE FROM AUTOBACKUP; Which of the following statements is true?()
第5题:
Which of the following statements is correct regarding a hybridcrypto system?()
第6题:
Energy can be created or destroyed
Energy may not be transformed
The total quantity of energy in the universe is always the same
None of the above
第7题:
Cargoes are any type of goods transported by any type of ships
Cargoes are goods transported in bulk
Cargoes usually include goods transported in bulk and in containers
Cargoes are usually packaged in containers
第8题:
Combustion gases flow through the tubes
Flames impinge on the tubes
Combustion occurs in the tubes
Water flows through the tubes
第9题:
General cargoes are neither liquid nor solid bulk cargo
General cargoes are packaged hazardous cargoes
General cargoes are also called breakbulk cargoes
General cargoes are mostly carried on container ships now
第10题:
The greater the atomization, the greater the penetration
The greater the atomization, the less the penetration
The degree of atomization has nothing to do with the degree of penetration
Atomization and penetration are one and the same
第11题:
Viscosity will increase as temperature increases
Viscosity is a measure of a fluid s internal resistance to flow
Viscosity will decrease as temperature decreases
Viscosity is not dependent on temperature
第12题:
Distillation is the process of boiling seawater to produce vapor which is condensed into fresh water
Evaporation is the second part of the distillation process where brine is removed
Brine is the result of condensed sea water vapor
Distillate is the product resulting from the evaporation of fresh water vapor
第13题:
12 Which of the following statements are correct?
(1) Contingent assets are included as assets in financial statements if it is probable that they will arise.
(2) Contingent liabilities must be provided for in financial statements if it is probable that they will arise.
(3) Details of all adjusting events after the balance sheet date must be given in notes to the financial statements.
(4) Material non-adjusting events are disclosed by note in the financial statements.
A 1 and 2
B 2 and 4
C 3 and 4
D 1 and 3
第14题:
In the following statements about graph operations,which one is NOT correct?
A.Finding critical path is an operation on directed graph
B.Finding critical path is an operation on undirected graph
C.Spanning tree of a graph may not be unique
D.Minimum spanning tree of a graph may not be unique
第15题:
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
第16题:
Which of the following are correct statements?()
第17题:
Which of the following is the correct term for a virtual machine?()
第18题:
The command restores only the missing control file.
The command restores all the control files.
The command fails because the database is running.
This is the correct way to address this problem.
This is not the correct way to address this problem.
第19题:
deck
harbour
pier
port
第20题:
It is lower than the ignition temperature
It is the temperature at which a substance will spontaneously ignite
It is the temperature at which a substance, when ignited, will continue to bum
It is the temperature at which the released vapors will fall within the explosive range
第21题:
Briton
British
English
Englishmen
第22题:
It helps you to determine whether or not the Oracle database is running.
It requires the username and password to check the connectivity of the service.
It does not require the username and password to check the connectivity of the service.
It establishes a session with the database and checks the connectivity of the service.
第23题:
A large change of viscosity occurs with a minor change in temperature
No change in viscosity occurs with any change in temperature
Very little change in viscosity occurs with a significant change in temperature
The viscosity of the oil increases with an increase in temperature