更多"[单选题]If BAT pb is at AUTO, when wil"的相关试题:
[单选题]When GEN pb-sw is AUTO，it will become amber if load > 100 %. Which of the following conditions will also let GEN becomes amber？
A. The voltage legend becomes amber if V > 120 V or V < 110 V.
B. The frequency legend becomes amber if F > 410 Hz or F < 390 Hz.
C. all of the above
[单选题]When ENG FIRE pb is released. Which system will be closed
A. fuel，electrical，bleed
B. fuel，hydraulic，bleed
C. ，hydraulic，electrical ，bleed
[单选题]When did the ON BAT light on the ADIRS panel come on in amber?
A. A. When the aircraft battery supplies at least one IRS or at the beginning of a complete IRS alignment
B. B. Only when the aircraft battery supplies at least one IRS
C. C. At the beginning of a complete IRS alignment or at a fast alignment
[单选题]when will the ENG AGENT pb work？
A. When“DISCH” lights up
B. when ENG FIRE button lights up
C. After ENG FIRE button loses pressure.
[单选题]On ground, when WING ANTI ICE pb sw at ON position, what will happened?
A. Wing anti-icing control valves open 30s, then closed
B. Wing anti-icing control valves not open
C. Wing anti-icing control valves keep open
[单选题]When Wing Anti Ice pb sw is switched on, on the ground, ____.
A. The anti ice valves remain open
B. The anti ice valves open for about 30 s , then close
C. The anti ice valves do not open
[单选题]When the “RECALL” pb on ECAM control panel is pressed,
A. warning is inhibited
B. status page appears
C. the cleared warning message reappears
[单选题]APU START pb-sw “AVAIL” light on when：
A. APU inlet flap opened
B. APU N is above 99.5 % or 2 s after N reaches 95 %.
C. APU was used. contactor closed
[单选题]CH3CH（CH3）（CH2）4CH（CH3）CH（CH2CH3）CH3正确命名是（）。
A.2，7-二甲基-8-乙基壬烷
B.2-乙基-3，8-二甲基壬烷
C.2，7，8-三甲基癸烷
D.3，4，9-三甲基癸烷
[单选题]CH3-CH2-CH2-CH3 （800℃）→ CH4 + CH2=CH -CH3的反应属于烷烃的（ ）。
A.A、 能发生裂解反应
B.B、 能发生取代反应
C.C、 能发生氧化反应
D.D、 能发生还原反应
[单选题]CH3C00CH2CH(CH3)2+CH3OH→CH3C00CH3+(CH3)CHCH2OH属于酯的（）。
A.A.水解
B.B.醇解
C.C.硝解
D.D.氨解
[单选题]该化合物CH3CH2CH2CH(CH3)CH2CH3的系统名称是( )。
A.庚烷
B.3-甲基己烷
C.4-甲基己烷
D.异辛烷
[判断题]该有机物CH3-CH(CH2CH3)CH2CH2CH3的名称是2-乙基戊烷。 ( )
A.正确
B.错误
[判断题]该有机物CH(CH2CH3)CH2CH2CH3的名称是2一乙基戊烷。
A.正确
B.错误
[单选题]有机物①CHOH(CHOH)4CHO②CH3CH2CHOH③CH2＝CH—CH2OH④CH2＝CH—COOCH3⑤CH2＝CH—COOH中，既能发生加成、酯化反应，又能发生氧化反应的是（）。
A.③⑤
B.①③⑤
C.②④
D.①③
[单选题]用系统命名法命名时CH3CH2CH2CH2CHCH3CH=CH2化合物应叫（）。
A.A.3-甲基庚烯
B.B.5-甲基-6-庚烯
C.C.丙基异丁基甲烷
D.D.无法命名
[单选题]按照系统命名法,构造式CH3CH(CH2CH3)CH2CHClCH2CH3的正确名称是( )。
A.2-乙基-4-氯己烷
B.3-氯-5-乙基己烷
C.3-甲基-5-氯庚烷
D.3-氯-5-甲基庚烷
