【单选题】Which is a function of the voltage regulators used with AC generators?
A.
To cut out generators when they are no longer required
B.
To cut in additional generators automatically as required
C.
To divide the KW load equally between generators operating in parallel
D.
To divide reactive current between generators operating in parallel
【单选题】、对供应商的供货、质量、价格等进行表现跟踪、考核和评比是属于供应商评审中的( )。
【判断题】滚动轴承具有摩擦系数小、结构紧凑等优点,是被广泛使用在机器或部件中的标准件。
【多选题】in Japan, thumb up means
【单选题】Current changing in direction and rising and falling in value is _____. A.A.C
【单选题】Which of the following is NOT correct according to the third paragraph?
A.
The power generation and chemicals perhaps may be the most affected.
B.
Some industries may find that their facilities are no longer financially viable at the new price plateau.
C.
Natural gas is abundant in China, Indonesia, and parts of Latin America.
D.
Natural gas is still abundant and very low cost in other countries such as Trinidad, Qatar, and Iran.
【判断题】滚动轴承具有摩擦系数小、结构紧凑等优点,是被广泛使用在机器或部件中的标准件。
【多选题】Thumb up means ——in China
【多选题】中国人民在长期奋斗中,培育、继承、发展起来的伟大民族精神,包括
【简答题】对供应商的供货、质量、价格等进行表现跟踪、考核和评比是属于供应商评审方法中的()。 A供应商选择评估 B供应商绩效考评 C供应商质量评审 D供应商资格审查