【Daily Question 20090308】Celebrate International Women’s Day – questions are released in advance; double points for female members, and male members also get a benefit
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【Daily Question 20090308】 (1) There are many ways to resist interference, and twisted pair is one of those methods. A. Physical isolation ； B. Reduce magnetic interference ； C. Shielding ； D. Demagnetization (2) Atmospheric pressure decreases as altitude increases. A. Increases ； B. Decrease ； C. Unchanged (3) The interference that has the most adverse effect on the control system is ( ). A. Step disturbance ； B. Sharp pulse interference ； C. Wide-pulse interference ； D. Random interference. The answer is B, B, B. This post was last edited by wopale3 on 2009-3-8 at 21:55.]
1\b 2\b 3\d
(1)B (2)B (3)D
1.B 2.B 3.D
1.B 2.B 3.D
1.B 2.B 3.D
1 D 2 B 3 B
1.B 2.B 3.D
(1) There are many ways to resist interference, among which twisted pair is method (B). A. Physical isolation ； B. Reduce magnetic interference ； C. Shielding ； D. Demagnetization (2) Atmospheric pressure increases as altitude rises (B). A. Increases ； B. Decrease ； C. Unchanged (3) The most detrimental type of disturbance for a control system is (D). A. Step disturbance ； B. Sharp pulse interference ； C. Wide-pulse interference ； D. Random interference
(1) There are many ways to resist interference, among which twisted pair is method (B). A. Physical isolation ； B. Reduce magnetic interference ； C. Shielding ； D. Demagnetization (2) Atmospheric pressure increases as altitude rises (B). A. Increases ； B. Decrease ； C. Unchanged (3) The most detrimental type of disturbance for a control system is (D). A. Step disturbance ； B. Sharp pulse interference ； C. Wide-pulse interference ； D. Random interference
(1) There are many ways to resist interference, among which twisted pair is method (B). A. Physical isolation ； B. Reduce magnetic interference ； C. Shielding ； D. Demagnetization (2) Atmospheric pressure increases as altitude rises (B). A. Increases ； B. Decrease ； C. Unchanged (3) The most detrimental type of disturbance for a control system is (D). A. Step disturbance ； B. Sharp pulse interference ； C. Wide-pulse interference ； D. Random interference
1.B 2.B 3.D
1.B 2.B 3.D
(1)B (2)B (3)D
(1) There are many ways to resist interference, among which twisted pair is method (B). A. Physical isolation ； B. Reduce magnetic interference ； C. Shielding ； D. Demagnetization (2) Atmospheric pressure increases as altitude rises (B). A. Increases ； B. Decrease ； C. Unchanged (3) The most detrimental type of disturbance for a control system is (D). A. Step disturbance ； B. Sharp pulse interference ； C. Wide-pulse interference ； D. Random interference
1.B 2.B 3.D
(1) There are many ways to resist interference, among which twisted pair is method (B). A. Physical isolation ； B. Reduce magnetic interference ； C. Shielding ； D. Demagnetization (2) Atmospheric pressure increases as altitude rises (B). A. Increases ； B. Decrease ； C. Unchanged (3) The most detrimental type of disturbance for a control system is (D). A. Step disturbance ； B. Sharp pulse interference ； C. Wide-pulse interference ； D. Random interference
1.B 2.B 3.D
1.B 2.B 3.D