bids are invited for mechanical engineering lab---01 engineering mechanics lab a screw jack apparatus with weights 2 b worm and worm wheel :: single with weights 2 c worm and worm wheel :: double with weights 2 d worm and worm wheel :: tripple with weights 2 e wheel and differential axle 30 cm with weight 2 f winch crab single purchase with weight 2 g winch crab double purchase with weight 2 h universal force table ( normal ) 2 i moment of inertia of flywheel - 25 cm with weights 2 j parallel forces apparatus ( dial type 10 kg. balance ) 2 k simply suported beam apparatus with weights 1 l friction slide apparatus with weight 2 02 machine drawing lab a hemispherical sectional models of screw threads 2 b hemispherical sectional models of screw threads nuts 2 c standard bolt 2 d bolts of four types 2 e foundation bolts 2 f foundation bolts ( with nomenclature ) 2 g locking arrangement of bolts 2 h rivetted joints - wooden 2 i screw jack apparatus with weights 2 j bush bearing 2 k plummer block or pedestal bearing 2 l foot step bearing 2 m flexible coupling 2 n flanged coupling 2 o stuffing box 2 p connecting rod 2 q spark plug 2 ( q3 ) total quantity : 1