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单选题 Main composition of CNG is ____
学科：专业英语与文献检索
时间：2024-10-30 04:46:09
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题目1单选题
Range-extended electric vehicle (RE-EV) uses ____ as an on-board range extender to increase its all-electric range (AER)A. electric motorB. generatorC. engineD. drive battery
题目2单选题
An EV is a ____ vehicle, and its electric motor produces no tailpipe exhaust emissionsA. high-emissionB. zero-emissionC. low-emissionD. range-extended electric
题目3单选题
A typical FCEV is not equipped with ____A. engine control unitB. hydrogen tankC. electric motorD. fuel cell stack
题目4单选题
FCEV combines ____ to produce electricity used to move the car without emission pollutantsA. hydrogen and nitrogenB. nitrogen and oxygenC. carbon dioxideD. hydrogen and oxygen
题目5单选题
Drive battery is a high-output battery that stores electricity generated from ____A. regenerative brakingB. generatorC. battery packD. electric motor
题目6单选题
CNG stores compressed natural gas in a ____A. gas fill valveB. gas injectorC. gas cylinderD. gas filter
题目7单选题
Main composition of CNG is ____A. methaneB. hydrogenC. nitrogenD. carbon dioxide
题目8单选题
LNG is liquefied by cooling to ____ under the normal pressureA. 162B. -162℃C. 162℉D. -162℉
题目9单选题
The pressure must remain about ____ in order to store natural gas ideallyA. 18MPaB. 19MPaC. 20MPaD. 21 MPa
题目10单选题
CNG solenoid valve and gas injectors belong to ____A. gas storage and supply sectionB. control sectionC. pressure reducing sectionD. fuel cell stack
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