Top 20 Questions of DME (B-TECH Mechanical Engineering 6th)
Most Repeated Questions
Top 20 Questions of Design of machine elements-2
Previous year question paper with solutions for Top repeated questions of Design of machine elements-2
PTU • B-TECH • Mechanical Engineering • 6th
Browse Top 20 questions of DME (B-TECH Mechanical Engineering 6th) previous year question papers for Top repeated questions of Design of machine elements-2. This page helps DME students find semester-wise papers for revision, exam practice, and understanding previous exam patterns. These are the top twenty repeated questions identified from previous year papers for DME (B-TECH Mechanical Engineering 6th), helping students focus on the most frequently asked topics.
1. Transmission Drives
Belt and rope drives: Basics, Characteristics of belt drives, selection of flat belt, Design of Flat
belt, V-belt and rope (steel wire), Design of the pulley for the same
Chain Drives: Basics, Roller chains, polygonal effect, power rating, selection of chain
Gear drives: Standard system of gear tooth and gear module, gear tooth failure, strength of gear
tooth, terminology of spur, helical, bevel, worm and worm wheel, Design of spur, helical,
straight bevel gears, worm and worm wheel
2. Bearings
Slider: Principle of hydrodynamic lubrication, modes of lubrication, Reynolds equation, bearing
performance parameters, slider bearing design
Roller: Types, selection guidelines, static and dynamic load carrying capacity, Stribeck’s
equation, equivalent bearing load, load life relationship, selection of bearing, comparison of
roller and slider bearing
3. Design of Flywheel
Introduction, Energy stored in a flywheel, stresses in a rim, design considerations
4. Springs
Types; end styles of helical compression spring; stress and deflection equation; surge in spring;
nipping of leaf spring; Design of close-coil helical spring and multi leaf spring
5. Clutches
Design of contact clutches i.e. plate, multi-disc, cone and centrifugal clutches.
6. Brakes
Design of band, disc, block with shoe and internal expanding brakes.
Top repeated questions
Top 20-
1.
When a split pulley is used and how it is ignited on a shaft?
Appeared 1 times
Appeared in: May 2023
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2.
What are the advantages of a wire rope over fibre rope?
Appeared 1 times
Appeared in: May 2023
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3.
Distinguish between simplex, duplex and triplex chains.
Appeared 1 times
Appeared in: May 2023
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4.
What is a bearing bore gear? Where they are used?
Appeared 1 times
Appeared in: May 2023
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5.
What do you understand by \\\'fluctuation of energy\\\' and \\\'maximum fluctuation of energy\\\'?
Appeared 1 times
Appeared in: May 2023
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