Which of the following is more important in determining the amount of free surface that will be produced?().
A. The breath of the tank
B. The length of the tank
C. The amount of liquid in the tank
D. The position of the tank in relation to the center line of the vessel
"由于我考试作弊的原因,老师再也不会喜欢我了。"这句话表达的非理性信念是()。
A. 概括化
B. 绝对化
C. 糟糕至极
D. 都不是
在设计车辆悬挂装置中的弹簧时,为提高车辆运行平稳性,应尽量增大弹簧总刚度。()
A. 正确
B. 错误
对经互感器接入的电能表,必要时,可在cosφ=1.0或sinφ=1.0的条件下,给电能表电流线路通以(),以检查电能表是否潜动。
A. 1%Ib
B. 0.5%Ib
C. 1/5起动电流
D. 5%I