Bids Are Invited For Engineering Mechanics And Physics Lab Instrument ----1 Law Of Polygon Of Forces: It Consisting Of A Wooden Board Of 75X70cm, Provided With Two Wall Brackets And Four Adjustable: Frictionless Aluminum Pulleys, Complete With Four , Khagaria-Bihar

Bids Are Invited For Engineering Mechanics And Physics Lab Instrument ----1 Law Of Polygon Of Forces: It Consisting Of A Wooden Board Of 75X70cm, Provided With Two Wall Brackets And Four Adjustable: Frictionless Aluminum Pulleys, Complete With Four One Weights And Corm Scale Pan With Holding Frame. 5 2 Lami’S Theorem: This Apparatus Comprises Board Of Size About 65 X 50Cm, With Two Aluminum Pulleys, 50Mm Diameter, On Clamp For Mounting On Board In Any Desired Position. Comes With Three Mass Hangers And 12 Slotted Masses, Each Of 50G Each. 5 3 Jib Crane: It Consist Of A Tubular Compression Balance Pivoted About An Axis And Fitted To The Base. The Tie Chain Has An Adjustable Angle Bracket And Fitted With An Extension Balance. Complete Wooden Base With 1.2M Jib. Height About-120Cm, Consists Of Three Parts Jib And Tie Rods, Capacity2.5Kg. Complete With All Accessories. 5 4 Simply Supported Beam: It Consists Of Two Knife Edge End Supports, A Hanger With Knife Edge, And A Pointer Moving Over A Graduated Scale. Complete With Scale Pan And Two Beams, One Of Iron And The Other Of Wood Each Beam Is Approx. 120 Cm In Length With Table. 4 5 Coefficient Of Friction For Motion On Horizontal And Inclined Plane: It Consists Of 15Cm X60cm Teak Wooden Board With Glass Top Hinged On An Iron Base To Which A Sector With Graduated Arc And Vertical Scale Is Provided. The Plane May Be Clamped At Any Angle Up To 45 Degrees. A 5 Cm Dia. Frictionless Pulley ( One Additional ) Is Attached To The End By Means Of A Clamp Adjustable To Any Necessary Position. Complete With Brass Roller Cart And Pan. Two Weight Boxes ( Each Of 5 Gm, 10 Gm, 2-20 Gm, 2-50 Gm, 2-100Gm Weight ) , Boxes Each Weighing 300 Gm With 8 Mm Ply Case And Bottom Of Different Surfaces Like, Glass, Teak-Wood, Brass, Copper, Sandpaper And Card Board. Operational And Maintenance Manual. 5 6 Centroid Of Geometrical Plane Figures: This Apparatus Consists Of Centroid For Different Geometrical Planes Like Triangle, Rectangle, Etc. 5 7 Simple Screw Jack: All Metallic Construction Accurately Machined Cut Screw With A Pitch Of 5Mm Carrying A Double Flanged Turn Table Of 20 Cm Diameter Fitted On Steel Base And Complete With Two Adjustable Pulleys, Cords And Hooks. Weight: 10 Kg.– 2 Pcs. 5 Kg. – 2 Pcs. 1 Kg. –2 Pcs. Weight: 10 Kg. – 2 Pcs. 5 Kg. – 2 Pcs. 1 Kg. – 2 Pcs. Operational And Maintenance Manual. 2 8 Differential Axle And Wheel: The Wheel Is Of 40 Cm Dia And Axles Are In Steps Of 20 Cm And 10 Cm Reducing Diameter Giving A Ratio Of 1:2:4. A Steel Axle Passes Through The Centre Of The Wheel Supported On Ball Bearings In Iron Brackets. The Base Is Provided With Holes To Fix The Apparatus On Walls Or Bracketed Frame Complete With Snatch Pulley Block; Cord And Hooks But Without Weight; Operational And Maintenance Manual. 2 9 Worm And Worm Wheel: Consisting Of Machine Cut Worm Nickel Led Steel Gear Of 25 Cm Diameter Carrying A Metal Drum Protruding 5 Cm Of12.5 Cm Diameter Above Which A Machine Cut Worm On Steel Spindle Carrying A 12.5 Cm Dia Pulley. The Whole Arrangement Shall Be Fixable On Heavy Cast Iron Brackets Capable To Be Fixed To A Wall Or A Ms Framed Trolley Complete With Effort Pulley, String And / Hooks, With 5 Weights Of1 Kg Each And A Hanger Of 1 Kg. 2 10 Single Purchase Crab: Fitted With Heavy Cast Iron Wall Brackets And Attachable To Portable M.S. Framed Trolley. The Effort Wheel Is Of C.I. Material Of 25 Cm Diameter With A Hole For Effort Attachment Mounted On A Shaft Of About 40Mm Dia. On The Same Shaft A Geared Wheel ( Machine Cut ) Of 15 Cm Dia Shall Be Mounted. The Teeth Of This Pinion Wheel Shall Mesh With Another ( Spur ) Toothed Wheel Of 30 Cm Diameter. This Spur Wheel Shall Be Mounted On Another Axle To Which A Load Drum Of About 7.5 Cm Diameter Of Heavy C.I. Material Shall Be Attached To Which The Heavy Loads Can Be Attached At Bottom. A Set Of 5Slotted Weights Of 2 Kg Each And A Hanger Of 2 Kg. 2 11 Double Purchase Crab: Having Assembly Same As Above ( Sr.No.10 ) But With Double Set Of Gearing Arrangement. A Set Of 5-Slotted Weights Of 5Kg Each And Hanger Of 5 Kg. 2 12 Weston’ Differential Or Wormed Geared Pulley Block: Consists Of A Metallic ( Preferably Steel ) Cogged Wheel Of About 20 Cm Dia With Endless Chain And A Gear Toothed Wheel Of 15 Cm Dia Mounted On The Same Axis. This Toothed Wheel Shall Mesh With Another Toothed Wheel Of Same Dia Along With A Protruded Load7drum Of 10 Cm Dia To Which A Rope Can Be Attached So As To Suspend The Weights Of 10 Kg, 20 Kg-2 Weights And A 50 Kg Weighs. The Slotted Weights Of 1 Kg-2 Weights, 2 Kg-2 Weights, 5 Kg-2 Weights And 10 Kg Weight Along With A Hook For Effort. ( Q3 ) Total Quantity : 1

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INR 6500.0 /-

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