What is the highest voltage protection that electrical protective gloves provide?1 point60,000 volts AC36,000 volts AC42,000 volts AC54,000 volts AC

Determine input voltage for the equipment or circuit to be protected

Are the following statements true (✔) or false (X)? i- Protection relays can be classified in accordance with their construction, the incoming signal and function. ii- Fuse is the most commonly used protective device in a distribution circuit. iii- The primary protection in distance relay fast with intentional time delay. iv- The zone of the distance relay is limited by a part of the electric circuit between the current transformers (CTs), to which the relay is connected. v- Distance relay was classified as the simple relay used in power system protection. vi- Reliability of power system protection: Assurance that the protection will perform correctly. vii- Zone 1 is set to cover 120% of the line length. ix- Ferroresonace is a nonlinear problem occurred in current transformer CTs. x- Melting characteristics is one thermal characteristic of fuse. xi- Current transformer ratio is the ratio between the magnitudes of the primary and the secondary current for ideal working conditions of the CT.

Which of the following devices is needed by a technician for protection against electrostatic discharge?A. MagnetB. Wrist strapC. Screw driverD. Surge protector

The primary barrier to protect the body against disease is:AHand washingBUnbroken skinCShort fingernailsDProtective gloves

For the lightning strike simulator described in the passage, the distance between the person electrode and the cloud electrode is 3 m.  Assume that the electrodes behave like point charges.  What is the maximum charge on the cloud electrode when the electrical breakdown limit of air is reached?  (Note:  Coulomb's constant is k = 9 × 109 N∙m2/C2.)A.9 mCB.3 mCC.1 mCD.0.3 mC