bids are invited for electrical and mechanical lab-- 1 arc welding machine ( single phase ) 2 gas welding machine 3 spot welding machine 4 type 2 control system trainer set 5 test signal generator for type 0, 1, 2 system 6 rlc kit 7 wattmeter, 05 each 8 voltmeter and ammeter of different ranges 05 nos. of each range 9 digital multimeter 10 wires 11 meggar 12 earth tester 13 voltage source 14 circuit kit for verification of maximum power transfer theorem 15 tumbler switch 16 dpic switch 17 main switch 18 sub main switch 19 2way 6a switch 20 1way 6a switch 21 single pole double throw 22 single pole single throw 23 step up chopper trainer kits with required capacity of ( 30v / 2a and 220v / 5a ratings ) 24 experimental kit for speed control of dc series motor ( scr based ) 25 surface grinding machine ( q3 ) total quantity : 1