皮皮学，免费搜题
登录
搜题
【判断题】
车削具有圆度误差的毛坯时，由于“误差复映”而使工件产生与毛坯同样大小的圆度误差。
A.
正确
B.
错误
拍照语音搜题，微信中搜索"皮皮学"使用
参考答案：
参考解析：
知识点：
.
..
皮皮学刷刷变学霸
举一反三
【单选题】Fire in an engine compartment is best extinguished with carbon dioxide gas(CO2)and by ______.
A.
completely closing the compartment
B.
closing the compartment except for the ventilators
C.
leaving the compartment open to the air
D.
increasing the air flow to the compartment by blowers
查看完整题目与答案
【单选题】CO2 extinguishes a fire by ____.
A.
a blanket of bubbles formed on the surface of the fire
B.
smothering
C.
cooling
D.
isolating the heat from the fuel
查看完整题目与答案
【单选题】CO2 extinguishes a fire by __________.
A.
a blanket of bubbles formed on the surface of the fire
B.
smothering
C.
isolating the heat from the fuel
D.
cooling
查看完整题目与答案
【多选题】H 2 和 O 2 在绝热钢管中反应生产成水,则下列状态函数中,增加为零的是( )
A.
∆U
B.
∆H
C.
∆S
D.
∆G
查看完整题目与答案
【单选题】The fire extinguishing action of CO2 comes mostly from _____.
A.
breaking the fire chemical chain reaction
B.
smothering
C.
cooling
D.
isolating the heat from the fuel
查看完整题目与答案
【单选题】The fire extinguishing action of CO2 comes mostly from ____.
A.
isolating the heat from the fuel
B.
smothering
C.
cooling
D.
breaking the fire chemical chain reaction
查看完整题目与答案
【判断题】买卖双方在网络上相遇、交换商品、服务、信息,任何人或者企业都可以在网上开店,在线售卖产品或者服务,这种地方叫做电子市场。
A.
正确
B.
错误
查看完整题目与答案
【单选题】If a CO2 fire extinguisher is not readily available, which of the listed fire extinguishers would be best suited to combat a small electrical fire in a switchboard?
A.
Dry chemical
B.
Halon
C.
Low velocity fog
D.
Steam
查看完整题目与答案
【单选题】无并发症的水痘患丿儿应隔离至
A.
体温正常
B.
发热后 1 周
C.
出疹后 5 天
D.
疱疹结痴并脱落
E.
疱疹全部结痂
查看完整题目与答案
【单选题】对电缆的主绝缘做耐压试验时，应该每一相单独进行。对一相进行试验或者测量时其余两相( )。
A.
短接
B.
短路接地
C.
无所谓
D.
分别接地
查看完整题目与答案
相关题目：
【单选题】Fire in an engine compartment is best extinguished with carbon dioxide gas(CO2)and by ______.
A.
completely closing the compartment
B.
closing the compartment except for the ventilators
C.
leaving the compartment open to the air
D.
increasing the air flow to the compartment by blowers
查看完整题目与答案
【单选题】CO2 extinguishes a fire by ____.
A.
a blanket of bubbles formed on the surface of the fire
B.
smothering
C.
cooling
D.
isolating the heat from the fuel
查看完整题目与答案
【单选题】CO2 extinguishes a fire by __________.
A.
a blanket of bubbles formed on the surface of the fire
B.
smothering
C.
isolating the heat from the fuel
D.
cooling
查看完整题目与答案
【多选题】H 2 和 O 2 在绝热钢管中反应生产成水,则下列状态函数中,增加为零的是( )
A.
∆U
B.
∆H
C.
∆S
D.
∆G
查看完整题目与答案
【单选题】The fire extinguishing action of CO2 comes mostly from _____.
A.
breaking the fire chemical chain reaction
B.
smothering
C.
cooling
D.
isolating the heat from the fuel
查看完整题目与答案
【单选题】The fire extinguishing action of CO2 comes mostly from ____.
A.
isolating the heat from the fuel
B.
smothering
C.
cooling
D.
breaking the fire chemical chain reaction
查看完整题目与答案
【判断题】买卖双方在网络上相遇、交换商品、服务、信息,任何人或者企业都可以在网上开店,在线售卖产品或者服务,这种地方叫做电子市场。
A.
正确
B.
错误
查看完整题目与答案
【单选题】If a CO2 fire extinguisher is not readily available, which of the listed fire extinguishers would be best suited to combat a small electrical fire in a switchboard?
A.
Dry chemical
B.
Halon
C.
Low velocity fog
D.
Steam
查看完整题目与答案
【单选题】无并发症的水痘患丿儿应隔离至
A.
体温正常
B.
发热后 1 周
C.
出疹后 5 天
D.
疱疹结痴并脱落
E.
疱疹全部结痂
查看完整题目与答案
【单选题】对电缆的主绝缘做耐压试验时，应该每一相单独进行。对一相进行试验或者测量时其余两相( )。
A.
短接
B.
短路接地
C.
无所谓
D.
分别接地
查看完整题目与答案