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【简答题】

什么是高油压的调速器?它有什么特点?

题目标签:调速器高油
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参考答案:
参考解析:
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举一反三

【单选题】影响机械调速器稳定调速率的主要因素是()。

A.
调速弹簧的直径
B.
调速弹簧的长度
C.
调速弹簧的刚度
D.
调速弹簧的材料

【多选题】汽轮机调速器发生振动的可能原因有( )。

A.
油压变化
B.
工艺侧不稳定
C.
调速器失灵
D.
透平在调速器最低转速工作

【多选题】提高油气采收率的方法有()。

A.
化学驱采
B.
热力驱采
C.
注气驱采
D.
微生物驱采

【单选题】Hartwick college is a small liberal-arts school in upstate New York. Now it makes this offer to students, earn your undergraduate (67) in three years instead of four, and save about $ 43,000--the am...

A.
American higher education could learn a (77) from this. Many colleges and universities are (78) in the past. For instance,the idea of the fall-to-spring "school year" hasn’t changed much (79) the American Revolution, when students put their books away to work the soil (80) the summer. That long summer stretch no longer makes sense. While college (81) sit idle, they continue to generate maintenance, energy, and debt-service expenses that (82) to the high cost of running a college. Meanwhile, tuition has soared, leaving graduating students with unprecedented loan (83)
B.
Expanding the three-year option or year-round schedules may be (84) , but it may be more palatable(宜人的) than (85) Congress for additional bailout money, or asking students for even (86) tuition payments.
相关题目:
【单选题】影响机械调速器稳定调速率的主要因素是()。
A.
调速弹簧的直径
B.
调速弹簧的长度
C.
调速弹簧的刚度
D.
调速弹簧的材料
【多选题】汽轮机调速器发生振动的可能原因有( )。
A.
油压变化
B.
工艺侧不稳定
C.
调速器失灵
D.
透平在调速器最低转速工作
【单选题】柴油机的调速器是自动调节()的装置。
A.
喷油泵供油量
B.
柴油机转速
C.
供油量
D.
速度
【多选题】提高油气采收率的方法有()。
A.
化学驱采
B.
热力驱采
C.
注气驱采
D.
微生物驱采
【单选题】Hartwick college is a small liberal-arts school in upstate New York. Now it makes this offer to students, earn your undergraduate (67) in three years instead of four, and save about $ 43,000--the am...
A.
American higher education could learn a (77) from this. Many colleges and universities are (78) in the past. For instance,the idea of the fall-to-spring "school year" hasn’t changed much (79) the American Revolution, when students put their books away to work the soil (80) the summer. That long summer stretch no longer makes sense. While college (81) sit idle, they continue to generate maintenance, energy, and debt-service expenses that (82) to the high cost of running a college. Meanwhile, tuition has soared, leaving graduating students with unprecedented loan (83)
B.
Expanding the three-year option or year-round schedules may be (84) , but it may be more palatable(宜人的) than (85) Congress for additional bailout money, or asking students for even (86) tuition payments.