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This post was last edited by Wang Tianze on 2015-12-4 22:08: 61. Transformers cannot perform the following (C. frequency conversion). A. Current conversion B. Voltage conversion C. Frequency conversion D. Impedance conversion 62. In industrial production, electricity consumption can be reduced by the following method: (C. Improving the power factor of the circuit). A. Choose low-power power equipment. B. Choose high-power power equipment. C. Improve the power factor of the circuit. D. Choose a power transformer with a large capacity. Already closed
61. Transformers cannot perform the following ( ). C. Frequency conversion 62. In industrial production, electricity consumption can be reduced through the following ( ) methods. C. Improve the circuit power factor
61. The transformer cannot perform the following (C). A. Current conversion B. Voltage conversion C. Frequency conversion D. Impedance conversion 62. In industrial production, electricity consumption can be reduced through the following (C) method. A. Choose low-power power equipment B. Choose high-power power equipment C. Improve the circuit power factor D. Choose a power transformer with a large capacity
61. The transformer cannot perform the following (C). A. Current conversion B. Voltage conversion C. Frequency conversion D. Impedance conversion 62. In industrial production, electricity consumption can be reduced through the following (C) method. A. Choose low-power power equipment B. Choose high-power power equipment C. Improve the circuit power factor D. Choose a power transformer with a large capacity
For question 61, choose c; for question 62, choose c
61. The transformer cannot perform the following (C). A. Current conversion B. Voltage conversion C. Frequency conversion D. Impedance conversion 62. In industrial production, power conservation can be achieved through the following (C) method. A. Choose low-power power equipment B. Choose high-power power equipment C. Improve the circuit power factor D. Choose a power transformer with a large capacity
61. The transformer cannot perform the following (c). A. Current conversion B. Voltage conversion C. Frequency conversion D. Impedance conversion 62. In industrial production, power conservation can be achieved through the following (c) method. A. Choose low-power power equipment B. Choose high-power power equipment C. Improve the circuit power factor D. Choose a power transformer with a large capacity
C. Frequency conversion C. Improving the circuit’s power factor