皮皮学，免费搜题
登录
搜题
【单选题】
已知物料的临界含水量为0.2kg水/kg绝干物料,空气的干球温度t,湿球温度t w ,绝热饱和温度t as 和露点温度为t d ,现将物料自初始含水量X 1 =0.5kg水/kg绝干物料,干燥至X 2 =0.05kg水/kg绝干物料,则物料表面温度t m ()。
A.
t m >t w ；
B.
t m =t；
C.
t m =t d ；
D.
t m =t w ；
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】Asia's oil needs
A.
are greater than its supply.
B.
are less than its supply.
C.
will not overtake North America within five years.
D.
will not overtake any other country in the world.
查看完整题目与答案
【判断题】TN系统分为TN-S,TN-C-S,TN-P三种类型。()
A.
正确
B.
错误
查看完整题目与答案
【多选题】TN系统有如下哪几种类型?()
A.
TN-C-S系统
B.
TN-C系统
C.
TN-P系统
D.
TN-S系统
查看完整题目与答案
【多选题】保护接零属于TN系统，面TN系统包括（ ）
A.
TN—S
B.
TN—T
C.
TN—C—S
D.
TN—C
查看完整题目与答案
【单选题】All is needed is a Supply of oil．
A.
the thing
B.
that
C.
what
D.
which
查看完整题目与答案
【判断题】TN系统有三种形式，即TN-C、TN-S、TN-C-S系统。游乐设施的接地方式采用TN-S系统或TN-C-S系统。()
A.
正确
B.
错误
查看完整题目与答案
【单选题】All ______ is needed is a supply of oil.
A.
the thing
B.
that
C.
what
D.
which
查看完整题目与答案
【单选题】The author sees the reform. of Bolivia's industry as a sign of ______.
A.
less oil supply and high oil price in the world
B.
nationalization of industry in other countries
C.
smaller share of oil reserves in state-owned companies
D.
more efficiency in exploitation and processing of oil
查看完整题目与答案
【单选题】职业资格是指从事某一职业所必备的学识、技术和( )的基本要求。
A.
经验
B.
能力
C.
水平
D.
道德素质
查看完整题目与答案
【单选题】The old proverb has it that 'laugh and the world laughs with you cry and you cry alone.' What's new is the discovery by University of California, San Francisco scientists that the expression on your f...
A.
controlled by their facial expression
B.
influenced by their facial expression
C.
identical with their facial expression
D.
contrary to their facial expression
查看完整题目与答案
相关题目：
【单选题】Asia's oil needs
A.
are greater than its supply.
B.
are less than its supply.
C.
will not overtake North America within five years.
D.
will not overtake any other country in the world.
查看完整题目与答案
【判断题】TN系统分为TN-S,TN-C-S,TN-P三种类型。()
A.
正确
B.
错误
查看完整题目与答案
【多选题】TN系统有如下哪几种类型?()
A.
TN-C-S系统
B.
TN-C系统
C.
TN-P系统
D.
TN-S系统
查看完整题目与答案
【多选题】保护接零属于TN系统，面TN系统包括（ ）
A.
TN—S
B.
TN—T
C.
TN—C—S
D.
TN—C
查看完整题目与答案
【单选题】All is needed is a Supply of oil．
A.
the thing
B.
that
C.
what
D.
which
查看完整题目与答案
【判断题】TN系统有三种形式，即TN-C、TN-S、TN-C-S系统。游乐设施的接地方式采用TN-S系统或TN-C-S系统。()
A.
正确
B.
错误
查看完整题目与答案
【单选题】All ______ is needed is a supply of oil.
A.
the thing
B.
that
C.
what
D.
which
查看完整题目与答案
【单选题】The author sees the reform. of Bolivia's industry as a sign of ______.
A.
less oil supply and high oil price in the world
B.
nationalization of industry in other countries
C.
smaller share of oil reserves in state-owned companies
D.
more efficiency in exploitation and processing of oil
查看完整题目与答案
【单选题】职业资格是指从事某一职业所必备的学识、技术和( )的基本要求。
A.
经验
B.
能力
C.
水平
D.
道德素质
查看完整题目与答案
【单选题】The old proverb has it that 'laugh and the world laughs with you cry and you cry alone.' What's new is the discovery by University of California, San Francisco scientists that the expression on your f...
A.
controlled by their facial expression
B.
influenced by their facial expression
C.
identical with their facial expression
D.
contrary to their facial expression
查看完整题目与答案