JLL Ramsay Test tech 2 and 3 level Questions and Answers 100% Solved correctly

is a device for making and breaking the connection in an electric circuit. - Answer-Switch is a mechanical switch that isolates a part of a circuit from the system as when required. Electrical isolators separate a part of the system from rest for safe maintenance works. - Answer-Isolator is a single pole, single throw switch. - Answer-SPST is a single pole, double throw switch. - Answer-SPDT is a double pole, single throw switch. - Answer-DPST is a double pole, double throw switch. - Answer-DPDT - Answer-single cell battery symbol - Answer-battery symbol - Answer-connecting wire symbol - Answer-Resistor symbol - Answer-switch (open) symbol - Answer-switch (closed) symbol symbol is down arrow with lines - Answer-earth electrode symbolis a metal plate or other conducting elements of electricity partially buried in the earth to constitute and provide a reliable conductive path of the fault current to the ground. - Answer-Earth electrode is a device containing electrodes immersed in an electrolyte, used for generating current or for electrolysis. - Answer-cell is a container consisting of one or more cells, in which chemical energy is converted into electricity and used as a source of power. - Answer-Battery