（） clearances in the main or crank pin bearings will sometimes be indicated by loss of pressure in the lubricating system before any bearing knock is heard.
A . Too larger
B . Too smaller
C . Excess
D . Excessive
相似题目
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Who is in charge of the main engine?（）
A . The chief engineer
B . The second engineer
C . The third engineer
D . The fourth engineer
-
Which of the following may take place if the clearance of the main bearings are excessive?（）
A . bearing knocks
B . dropping of pressure of LO
C . noises
D . all the above
-
A condition contributing to diesel engine piston rings sticking in the ring grooves, is insufficient ring clearance at the ring（） Ⅰ.gap Ⅱ.side
A . Ⅰonly
B . Ⅱ only
C . both Ⅰ and Ⅱ
D . neither Ⅰ nor Ⅱ
-
Increasing the valve clearance between a valve stem and rocker arm, will result in the valve （）
A . closing later
B . opening sooner
C . staying open for a shorter period of time
D . staying open for a longer period of time
-
The port clearance for a ship should be granted（）the completion of loading or discharging in the port.
A . before
B . when
C . after
D . during
-
Insufficient end clearance on newly fitted piston rings in a diesel enginewill cause the rings to（）
A . jam in the most worn part of the cylinder when the rings expand
B . break in the most worn part of the cylinder when the rings expand
C . wear eccentrically on the side opposite the end gap
D . overheat and jam at the top center on the combustion stroke
-
In a large, low-speed diesel engine the clearance between the piston crown and cylinder head is found to be excessiveIn order to correct for this, you should（）
A . build up the piston crown by metal spraying
B . build up the cylinder head by metal spraying
C . insert shims between the crankpin bearing box and the connecting rod foot
D . install a thinner head gasket
-
The information in the first paragraph is presented mainly through
A . listing statistics
B . telling a story
C . pointing out similarities
D . pointing out differences
-
What does the author mainly talk about in the last paragraph?
-
2.What does the author mainly discuss in the article? What’s her main purpose in writing the article?
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What are the main threats to health in the modern society?
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Which of the following is the main deamination style in the body?
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What are the main points in the talk?
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Who are the main Characters in the Lion King?
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The indirect plan puts the main message in the first sentence.
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What is the main food in the Northern Irish diet?
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Who are the main Characters in The Pursuit of Happyness?
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Who are the main Characters in The Sound of Music?
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Who are the main Characters in Avatar?
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What does the author mainly discuss in the passage?
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What is mainly discussed in the passage？
A．The development of e-mail in the world.
B．The advantages of e-mail.
C．The popularity of writing in people's life.
D．A comparison between e-mail and long-distance calls.
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In this text, the author mainly discusses
A.flawed ownership of America’s law firms and its causes.
B.the factors that help make a successful lawyer in America.
C.a problem in America’s legal profession and solutions to it.
D.the role of undergraduate studies in America’s legal education.
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What is the book mentioned in the passage mainly about？
A．Suggestions and techniques to help one better organize his time, study habits and resources.
B．Plan or technique that could be labeled as the best and be guaranteed to fit each individual
C．Efficient use of time will enable you to include both work and play.
D．Activities as if going to school is a business.
-
A．In the top view, the side away from the main view is in front of the object
B．In the top view, the side away from the main view is behind the object
C．In the left view, the side away from the main view is in front of the object
D．In the left view, the side away from the main view is behind the object
此题为多项选择题。
