ChE222 - APPLIED MECHANICS & MECHANICAL ENGINEERING

Lectures: 4 Periods/Week Sessional Marks: 30
University Exam: 3 Hours University Examination Marks: 70


UNIT-I
Forces: Composition and Resolution of coplanar Forces, Equilibrium of Coplaner forces.
Section Properties: Centre of gravity and Moment of Inertia of simple and composite elements.

UNIT-II
Stress and Strain: Simple stress and strain, Hooke's Law, factor of safety, thermal stresses, Lateral strain, modules of rigidity, bulk modules, strain energy.
Thin and Thick Cylinders: Thin and thick circular cylinders subjected to internal and external pressure. Thin and thick cylinders with spherical ends. Lame's theorem and application to thick cylinders.

UNIT-III
Steam: Generation of steam, Properties of steam, use of steam tables and Mollier chart.
Steam Generators: Classification - Cochran and Babcock-Wilcox boilers - accessories and mountings.

UNIT-IV
Drives: Belts, expression for the ratios of tensions on the slack and tight side, power transmitted, V-belts, chain drives.
Gears: Spur, helical, Bevel gear trains - simple and compound.
Bearings: Purpose of bearings, slipper bearing, thrust bearing, ball and roller bearings.
Couplings: Flange, flexible couplings, hooks joint, universal coupling.


Text Books

  1. Thermal Engineering, Ballaney, Khanna Publishers, New Delhi.
  2. Theory of Machines, Ballaney, Khanna Publishers, New Delhi.

Reference Books
  1. Applied Mechanics & Strength of Materials, R. S. Khurmi, S. Chand & Co.
  2. Strength of materials, Sadhu Singh, Khanna Publishers, New Delhi.