Mechanical Equipment [Daily Question] Thursday, December 29, 2011
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Please hide your replies; editing after posting is not valid! Those with different views on the provided answer keys can post discussions the next day. For responses from multiple accounts under the same IP, only the first one is considered valid. This is a single-choice question; 5 points are awarded for the correct answer. Participants will definitely receive a reward of 1-3 points. Please hide your replies; the method for doing this is: http://bbs.hcbbs.com/thread-492556-1-1.html Multiple-choice question: 1. Compared with other transmission methods, which of the following is not a characteristic of gear transmission? ( ) A. High transmission accuracy B. High transmission efficiency C. Compact structure D. Overload protection function 2. How many sealing points are required at least for a fitting on a pipeline? ( ) A、1 B、2 C、3 D、4 Answer: D C
D--------------- A-------------=-
I think for the first one, choose C, and for the second one, choose D
Selection: 1.D; 2.A.
1. Compared with other transmission methods, which of the following statements is not a characteristic of gear transmission? (D) A. High transmission accuracy B. High transmission efficiency C. Compact structure D. Overload protection function. 2. How many sealing points are required at least for a fitting on a pipeline? (C) A、1 B、2 C、3 D、4
D. It has overload protection function. C. 3