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This post was last edited by Wang Tianze on 2015-11-13 at 19:43. 17. When measuring the pressure of high-temperature media or steam, it is necessary to install (A). A. Condenser B. Isolation tank C. Gas collector D. Settler 18. When current does not flow in a circuit after it is powered on, the circuit is in (C) state. A. Conducting B. Short circuit C. Open circuit D. Resistance equal to zero This post has been closed!
17. When measuring the pressure of high-temperature media or steam, (A) must be installed. A. Condenser B. Isolation tank C. Gas collector D. Settler 18. When current does not flow in a circuit after it is powered on, the circuit is in (C) state. A. Conducting B. Short circuit C. Open circuit D. Resistance equal to zero
17. When measuring the pressure of high-temperature media or steam, (b) should be installed. A. Condenser B. Isolation tank C. Gas collector D. Settler 18. When current does not flow in a circuit after it is powered on, the circuit is in (c) state. A. Conducting B. Short circuit C. Open circuit D. Resistance equal to zero
A/C.....................................................
17. When measuring the pressure of high-temperature media or steam, (A) must be installed. A. Condenser B. Isolation tank C. Gas collector D. Settler 18. When current does not flow in a circuit after it is powered on, the circuit is in (C) state. A. Conducting B. Short circuit C. Open circuit D. Resistance equal to zero
C+C...................................
17. When measuring the pressure of high-temperature media or steam, (A) must be installed. 18. When current is applied to the circuit but no current flows, the circuit is in ( C ) state.