bids are invited for item for mech engg lab ( q3 ) total quantity : 1-static and dynamic balancing demonstrator, universal governor apparatus, steam engine model, model of steam turbine , flywheel model, model of cut section of four stroke petrol engine, model of cut section of two stroke petrol engine, model of cut section of four stroke diesel engine, model of cut section of two stroke diesel engine, izod & charpy impact testing machine , double stag air compressor test rig, model board for rac controls and components, air conditioning test rig, mechanical heat pump test rig, refrigeration test rig, heat transfer through composite wall, heat pipe demonstrator, pool boiling apparatus, heat transfer from a pin-fin, heat transfer in forced convection, heat transfer in natural convection, stefan boltzmann’s apparatus, parallel flow / counter flow heat exchanger , thermal conductivity of liquid, metallurgical microscope, muffle furnace , plastic moulding machine injection / press along with plastic granules ( thermo plastic and thermosetting resin ) , combined rockwell and brinell hardness test, torsion testing machine