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 following conditions may contribute to the formation of deposits on the blades of the turbocharger turbine?（）
A
Poor combustion
B
High cylinder oil consumption
C
Leaking exhaust valves
D
All of the above
参考答案
参考解析
解析：
暂无解析
更多 “单选题Which of the following conditions may contribute to the formation of deposits on the blades of the turbocharger turbine?（）A Poor combustionB High cylinder oil consumptionC Leaking exhaust valvesD All of the above” 相关考题
考题
Which of the following does not contribute to increased Schedule Risk?A labor shortageB contractor claimsC lack of accessD sponsor scope changesE all may increase schedule risk
考题
125 Which of the following does not contribute to increased Schedule Risk?A. labor shortageB. contractor claimsC. lack of accessD. sponsor scope changesE. all may increase schedule risk
考题
Which of the following conditions will make a relation that is in first normal form. to be in second normal form?Ⅰ.every non-key attribute is functionally dependent on the full set of primary key attributes.Ⅱ.no non-key attributes exist in the relation.Ⅲ.the primary key consists of only one attribute.A．Ⅰ onlyB．Ⅰ and Ⅱ onlyC．Ⅰ and Ⅲ onlyD．any of them
考题
Which of the following conditions is true concerning a flammable liquid with a concentration above the upper explosive limit?A.The mixture is too lean to burnB.The mixture is too rich to burnC.The vapor is about to explodeD.Conditions are perfect for combustion
考题
Which of the following conditions could contribute to the cracking of a diesel engine cylinder head?A.Leaking seal ringB.Insufficient heat transfer from the exhaust valvesC.Blocked cooling water passages to the headD.Excessive scavenging air provided to the engine
考题
When steering on autopilot which of the following input conditions may NOT have an effect on the control of the steering gear ________．A.Non-follow-upB.Rudder adjustmentC.Weather adjustmentD.All the above may be activated
考题
According to the passage，which of the following statements is true？( ) A.Britain has agreed to discuss the conditions of the exit before discussing the future trade ties.
B.EU might not be satisfied with May’s speech.
C.Theresa May has mapped out the blueprint of the relations between Britain and EU.
D.Britain is fully prepared to withdraw from EU in an orderly way.
考题
Which of the following options indicates the number of adapters that may be banded together to form an EtherChannel？（）A、1 or 3B、2 or more of differing modelsC、2 or 4 of the same modelD、2 or more of the same model
考题
Which of the following actions may cause a trigger to be fired?（）A、DROPB、ALTERC、DELETED、ROLLBACK
考题
which one of the following best where layer can be used?（）A、form B、page C、subform D、all of the above
考题
Which of the following technologies is the MOST secure form of wireless encryption?（）A、SSLB、WPAC、WEPD、TLS
考题
On which of the following database objects may the SELECT privilege be controlled?（）A、SequenceB、SchemaC、GroupD、View
考题
Which of the following commands may indicate hardware redundancy protection of a PV（）A、lsattrB、lspvC、lsvgD、lsresource
考题
单选题Which of the following conditions could contribute to the cracking of a diesel engine cylinder head?（）A
Leaking seal ringB
Insufficient heat transfer from the exhaust valvesC
Block cooling water passages to the headD
Excessive scavenging air provided to the engine
考题
单选题Machinery operating features are designed to help conserve energy.Which of the following results will not contribute to energy conservation?（）A
Reduction of frictionB
Insulation of hot surfacesC
Lubrication of moving partsD
Elevation of cooler outlet temperatures
考题
单选题Which of the conditions listed may occur in an operating diesel engine if air pockets form within the cylinder head circulating water passages? （）A
Hydraulic stress and distortion will developB
Hot spots will developC
Fuel oil viscosity will increasedD
An increase in trapped deposits of scale and dirt
考题
单选题Which of the following conditions may be attributed to a fouled turbocharger compressor inlet screen or filter?（）A
Decreasing scavenge air pressureB
Increasing exhaust temperatures before the turbineC
Reduction in engine speedD
All of the above
考题
单选题Geographic range is the maximum distance at which a light may be seen under（）.A
existing visibility conditions，limited only by the curvature of the EarthB
perfect visibility conditions，limited only by the curvature of the EarthC
existing visibility conditions，limited only by the intensity of the lightD
perfect visibility conditions，limited only by interference from background lighting
考题
单选题Refrigerant entering the compressor of a refrigeration system should be in which of the following conditions?（）A
Sub-cooled liquidB
Sub-cooled vaporC
Superheated vaporD
Liquid
考题
单选题Possible phase relationships between voltage and current in an alternating current circuit include which of the following conditions?（）A
Current and voltage may be in phaseB
Current may lead the voltageC
Current may lag the voltageD
All of the above
考题
单选题Which of the following options indicates the number of adapters that may be banded together to form an EtherChannel？（）A
1 or 3B
2 or more of differing modelsC
2 or 4 of the same modelD
2 or more of the same model
考题
单选题Which of the following conditions would cause carbon deposits to form in the piston ring belt of a diesel engine?（）A
faulty combustionB
excessive ring temperatureC
over lubricationD
all of the above
考题
单选题The primary purpose of the passage is to _____.A
warn of the dangers of continued burning of fossil fuelsB
discuss the significance of the amount of carbon dioxide in the atmosphereC
demonstrate the usefulness of mathematical models in predicting long-range climatic changeD
describe the ways in which various atmospheric and climatic conditions contribute to the Earth’s weather
考题
单选题Which of the following conditions may need to be reduced when operating a large, low speed, main propulsion, diesel engine at low loads?（）A
Injection pressuresB
Control air supply pressureC
Cooling water flow through after-coolersD
Lube oil temperature
考题
单选题The maximum distance at which a light may be seen under the existing visibility conditions is called（）.A
nominal rangeB
luminous rangeC
charted rangeD
geographic range
考题
单选题When steering on autopilot which of the following input conditions may NOT have an effect on the control of the steering gear（）.A
Non-follow-upB
Rudder adjustmentC
Weather adjustmentD
All the above may be activated
热门标签
最新试卷