Rajasthan Polytechnic Civil Mechanical Engineering Solved Questions

राजस्थान मैं पॉलिटेक्निक करने वाले अभ्यर्थियों/छात्रों के लिए हिंदी तथा अंग्रेजी दोनों माध्यम में प्रथम, द्वितीय एवं तृतीय वर्ष की सभी विषयों के हल यहाँ उपलब्ध कराये जा रहे हैं –

शुरुआत में द्वितीय वर्ष सिविल तथा यांत्रिकी के लिए पदार्थ की सामर्थ्य (Strength of Material ) और द्रव यांत्रिकी (Fluid Mechanics ) की समस्यांए अध्याय दर अध्याय समझाई व पढाई जा रही है | 

पदार्थ की सामर्थ्य (Strength of Material )

  • Mechanical Properties
  • Concept of stress and strain
  • Hook’s law
  • Working Stress and factor of safety
  • Stress and strain Calculation
  • Temperature Stresses
  • Shear stresses
  • Poisson’s ratio and volumetric strain
  • Relationship between elastic constants
  • Introduction
  • Stress components on an inclined plane
  • Mohr’s circle
  • Principal stresses and planes
  • Introduction
  • Strain energy from stress-strain diagram
  • Proof resilience
  • Types of loading
  • Basic concept
  • Types of beam
  • Types of load
  • Shear force and bending moment
  • Bending moment and shear force diagram
  • Concept of moment of inertia
  • Radius of gyration
  • Moment of Inertia of various sections
  • Concept of bending stress
  • Theory of simple bending
  • Design Criteria and section modulus

Shear stress distribution diagram of various sections

  • Concept of deflection of a beam
  • Deflection calculation
  • Concept of column and struts
  • Modes of failure
  • Types of column
  • Buckling loads
  • Slenderness ratio
  • Euler’s formula
  • Rankine’s formula
  •  
  • Concept of torsion
  • Derivation and use torsion equation
  • Relation between power and torque
  • Combined stress due to bending and torsion
  • Introduction and classification of springs
  • Flat carriage spring
  • Closely coiled helical spring
  • Use of cylinders
  • Stresses due to internal pressure
  • Design of thin cylinders
  • Effect of eccentricity
  • Stress due to eccentric load
  • Middle third rule
  • Quarter rule

द्रव यांत्रिकी (Fluid Mechanics )

  • Introduction
  • Fluid mechanics
  • Fluid properties
  • Definitions and its units
  • Pascal’s law
  • Pressure
  • Law of hydrostatic pressure 
  • Brahma’s pressure 
  • Pressure measurement
  • Mechanical gauge
  • Total pressure
  • Centre of pressure
  • Total pressure and center of pressure 
  • Law of hydrostatic pressure 
  • Brahma’s pressure 
  • Pressure measurement
  • Mechanical gauge

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