bids are invited for chain drive trainer , combined mechanical trainer , collection tank with two compartments , venturimeters of different sizes , pitot tube , differential manometer and inclined tube manometer , inclined manometer , demonstration manometer , piezometer tube , differential manometer , centrifugal runner actual cast iron , different impellers of pumps , display board for pipes , hydraulic press model , hydraulic ram , gear pump model , centrifugal pump actual cut section , reciprocating pump , submersible pump , rotary compressor test rig , axial flow fan demonstration unit fitted with sensors and instruments to carry out various experiments , centrifugal pump demonstration unit fitted with sensors and instruments to carry out various experiments , basic hydraulic bench with accessories to carry-out the following experiments. , 3-point 4 point starter and series motor starter , shunt motor. , 3- phase squirrel cage induction motor. , 3-phase alternator. , shunt motor with starter. , actual cut section gear box car , four stroke four cylinder cut section engine model total quantity : 30