CBSE Class 12 Engineering Tie Rod and Pipe Joints
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CBSE Class 12 Engineering Tie Rod and Pipe Joints
TIE-ROD AND PIPE JOINTS WHAT HAVE WE LEARNT 1. Turnbuckle/Tie-rod Joint is an adjustable temporary joint, which connects the ends of two rods axially when they are subjected to push/pull (tensile) forces. 2. It consists of: (a) Body: A hollow cylinder with tapered ends having threaded holes...
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CBSE Class 12 Engineering Shaft Couplings
SHAFT COUPLINGS Shafts as we have learnt in the previous chapters, mechanical/machine parts that are commonly used to transmit power from one end of the machine/unit to another. But what, if these ends are distance apart. Moreover the shafts are made of limited lengths for ease of transport arts,...
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CBSE Class 12 Engineering Rod Joints
ROD JOINTS All of you have seen a tractor and its trolley/ trailer. The trolley can be easily joined or removed from the tractor as per the need. Have you ever noticed that how this trolley is joined or detached from the tractor? This work is made so simple by a joint between the tractor and the...
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CBSE Class 12 Engineering Pulleys
PULLEYS 7.1 INTRODUCTION In every machine or toy, we use power to operate and perform its function. This power is obtained mostly by the motor, run on electricity or battery. To transfer the power from the motor to the operational part of the machine, we use a combination of pulleys and belt (...
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CBSE Class 12 Engineering Machine Drawing
MACHINE DRAWING 2.1 INTRODUCTION 2.2 SCREW THREAD In our day to day life, we come across many objects where bolts and nuts are used to join two pieces together. For example we use wooden furnitures like desks, stools, tables etc. in school, showing bolts, nuts and screws. Such machine parts...
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CBSE Class 12 Engineering Shaft Couplings
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CBSE Class 12 Engineering Rod Joints
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CBSE Class 12 Engineering Pulleys
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CBSE Class 12 Engineering Machine Drawing
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CBSE Class 12 Engineering Isometric Projection
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CBSE Class 12 Engineering Bearings
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Latest NCERT & CBSE News
Read the latest news and announcements from NCERT and CBSE below. Important updates relating to your studies which will help you to keep yourself updated with latest happenings in school level education. Keep yourself updated with all latest news and also read articles from teachers which will help you to improve your studies, increase motivation level and promote faster learning
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Ministry of Education, Govt of India vide letter No. F.No. 12-5/2020-IS-4 dated 16.12.2021 has intimated that under the banner Azadi ka Amrit Mahotsav the National Yogasanasports Federation has decided to run a project of 750 million Surya Namaskar from 01 January 2022...
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