【单选题】Prior to closing the breaker when paralleling two AC generators, the recommended practice is to have the frequency of the incoming machine _____.
A.
slightly less than the line frequency
B.
the same as the line frequency
C.
slightly greater than the line frequency
【单选题】When paralleling two AC generators, the frequency of the machine coming on-line,imediately prior to closing its breaker, should be____.
A.
slightly less than the oncoming generator frequency
B.
slightly greater than the bus frequency
C.
the same as the bus frequency
D.
the same as the bus voltage
【多选题】案例二 (一)资料 2011年4月,某审计组对乙公司2010年度财务收支情况进行了审计。有关采购与付款业务循环审计的情况和资料如下: 1审计人员在对采购与付款业务内部控制进行调查的过程中了解到: (1)仓储部门根据库存原材料变化情况提出采购申请,填写请购单; (2)采购部门依据经批准的请购单签发订购单,送交供应商; (3)仓库保管人员对采购材料的数量和质量进行验收: (4)出纳人员登记银行存款日记...
A.
仓储部门根据库存原材料变化情况提出采购申请,填写请购单
B.
采购部门根据经批准的请购单签发订购单,送变供应商
【判断题】企业采取种种积极的措施在现有的市场上扩大现有产品的销售,这就是市场 开拓。 ()
【单选题】Prior to closing the breaker when paralleling two AC generators, the recommended practice is to have the frequency of the incoming machine ______. prefix="o" ns="urn:schemas-microsoft-com:office:offic...
A.
have nothing to do with the line frequency
B.
slightly greater than the line frequency prefix="o" ns="urn:schemas-microsoft-com:office:office" ?xml:namespace>
C.
the same as the line frequency
D.
slightly less than the line frequency prefix="o" ns="urn:schemas-microsoft-com:office:office" ?xml:namespace>
【多选题】关于“和平统一、一国两制”构想,不正确的有()
【判断题】企业采取种种积极的措施在现有市场上扩大现有产品的销售,这就是市场开发。