name of work: notice inviting e-tender for procurement of equipment, instrument, machineries, tools etc. related to laboratories of civil engineering, electrical engineering, mechanical engineering and physics laboratory of raipur govt. poytechnic, west bengal. - 1 compacting factor test apparatus 2 core cutter testing apparatus 3 digital schmidst rebound hammer 4 ultrasonic pulse velocity test apparatus 5 rebar locator 6 piezometer tube 7 u-tube manometer 8 u-tube differential manometer 9 current meter 10 c.o.d analyzer kit 11 plane table with tripod stand with accessories 12 plotter machine 13 all geared head lathe machine with all standard accessories 14 cone pulley- back gear type centre lathe with all standard accessories 15 radial drill machine 16 arc welding equipment : arc welding cable 17 arc welding equipment : arc welding holder 18 arc welding equipment : arc welding electrode 19 arc welding equipment : safety welding helmet 20 arc welding equipment : safety glasses 21 arc welding equipment : chipping hammer 22 double wheeled bench grinder ( for m / c shop , fitting & welding shop ) 23 abrasive cut off machine 24 inductive load box 25 digital multimeter 26 panel mounted ammeter 27 table top ammeter 28 extension board ( spike guard ) 29 single phase preventer 30 transformer oil 31 contactor block 32 panel mounted digital timer 33 ferule type fuse 34 arduino project kit 35 contact type tachometer 36 xlpe cable ( red ) 37 xlpe cable ( yellow ) 38 xlpe cable ( blue ) 39 xlpe cable ( black ) 40 xlpe cable ( green ) 41 to measure unknown capacitance by schering bridge 42 dc power supply 43 cable crimping tool 44 different types of cable lugs 45 3 phase variac 46 3 phase synchroscope 47 different pilot devices: push button switch ( no, nc ) , limit switch, selector swich, pressure switch, float switch, toggle switch, ryb indicators, emergency stop switch 48 capacitor bank 49 different types of power insulator used in transmission and distribution line 50 model of supply system of 6.6 kv / 400 v substation to housing complex 51 model of different types of excitation system for alternator 52 pv system used in street lighting 53 working model of power generation by wind power 54 different models of circuit breakers 55 lightning arrestor model 56 different type of fuses fitted in study board 57 different types oflamps with necessary chock, starter, transformer 58 study of electric arc welding using welding transformer 59 study of induction heating using induction heater 60 vernier caliper 61 screw gauge 62 sperometer 63 concave & convex mirror, focal length 20 cm 64 concave & convex mirror, focal length 50 cm 65 concave surface 66 glass slab, dim.- 7.5x5x1.8 ( cm3 ) 67 glass slab, dim.- 10x6x1.8 ( cm3 ) 68 wood, metal inclined plane aparatus for determining coefficient of static friction between wood and glass 69 hooks law apparatus 70 mercury 71 magnet 72 small hollow metal cylinder 73 small crome steel bearing balls 74 linear expansion vertical apparatus 75 fly wheel apparatus