皮皮学,免费搜题
登录
搜题
【简答题】
两个容积相同的玻璃球内充满氮气,两球中间用一根玻管相通,管中间有一汞滴将两边的气体分开。当左边球的温度为 273 K ,右边球的温度为 293 K 时,汞滴处在中间达成平衡。试问: (1) 若将左边球的温度升高 10 K ,中间汞滴向哪边移动? (2) 若将两个球的温度同时都升高 10 K ,中间汞滴向哪边移动?
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】下列对蛋泡面坯打蛋时间叙述正确的选项是:打蛋时间长( )。
A.
蛋白膜不易破裂
B.
粘稠性降低
C.
空气泡沫越足
D.
空气泡沫分布不匀
【单选题】测量口温时,一般需将口表的水银端放入
A.
咽部
B.
舌下热窝
C.
舌前1/3处
D.
舌后2/3处
【多选题】which one is expendable mold?
A.
Sand mold
B.
Shell mold
C.
Plaster-mold
D.
Ceramic-mold
E.
Investment mold
F.
Evaporative-pattern
【多选题】which one is permanent mold?
A.
Slush
B.
Pressure mold
C.
Centrifugal:
D.
Squeeze mold
E.
Semisolid-metal
【单选题】What is the aim of the blue Sky Mold
A.
To work closely with their customers to ensure their demands are met
B.
Provide all their customers with the vey best Chinese extrustion mold products and techincal support
C.
to create excellence
D.
to build a new company
【单选题】The firm is now in the _____ of moving the main equipment to new place.
A.
process
B.
action
C.
development
D.
direction
【多选题】Objectives in mold cooling system design include ( ).
A.
minimize heat transfer rates
B.
minimize mold cost
C.
minimize volume and complexity
D.
facilitate mold usage
【判断题】A new mold development project like a new written book always starts with a blank plate.
A.
正确
B.
错误
【单选题】下面正确配置路由器远程登录密码的命令是 ( ) 。
A.
Router (config)#line VTY 0 4 Router (config-line)#login Router (configline)#enable password  100
B.
Router (config)#enable secret level 15 0 100
C.
Router (config)#enable secret level1 0 100
D.
Router (config)#enable secret level 15 5 100
【判断题】A new mold development project like a new written book always starts with a blank plate.
A.
正确
B.
错误
相关题目: