Mechanical Engineering
- 1801. What is structural analysis?
- 1802. What is stiffness matrix?
- 1803. What is load analysis?
- 1804. What is mechanical advantage in load systems?
- 1805. What is the modulus of toughness?
- 1806. What is the difference between Charpy and Izod tests?
- 1807. What is notch impact test?
- 1808. What is proof resilience?
- 1809. What is energy absorbed under impact?
- 1810. What is gradually applied load?
- 1811. What is sudden loading?
- 1812. What is impact factor?
- 1813. What is impact stress?
- 1814. Define dynamic loading.
- 1815. How can fatigue life be improved?
- 1816. What are fatigue cracks?
- 1817. What factors influence creep rate?
- 1818. What is rupture stress?
- 1819. What are stages of creep?
- 1820. Define creep.
- 1821. Define endurance limit.
- 1822. What is S–N curve?
- 1823. What causes fatigue?
- 1824. Define fatigue.
- 1825. How are thermal stresses handled in composite bars?
- 1826. What is orthotropic material?
- 1827. What are anisotropic materials?
- 1828. What is modular ratio?
- 1829. What is load sharing in composite bars?
- 1830. What is laminated composite?
- 1831. What is reinforced concrete beam?
- 1832. What is equivalent modulus of elasticity?
- 1833. What are types of composite beams?
- 1834. What are composite materials?
- 1835. What are ways to reduce thermal stresses?
- 1836. What is thermal shock?
- 1837. What causes thermal fatigue?
- 1838. What is residual stress?
- 1839. What is temperature gradient?
- 1840. What happens when expansion is restrained?
- 1841. What is stress due to temperature rise?
- 1842. What is coefficient of thermal expansion?
- 1843. Define thermal strain.
- 1844. Define thermal stress.
- 1845. What are design measures to reduce stress concentration?
- 1846. What is notch sensitivity?
- 1847. What is fracture toughness?
- 1848. What is ductile fracture?
- 1849. What is brittle fracture?
- 1850. What is fatigue failure?
- 1851. What is stress concentration factor?
- 1852. What is stress raiser?
- 1853. What causes stress concentration?
- 1854. What is stress concentration?
- 1855. What is Maxwell’s reciprocal theorem?
- 1856. What is complementary energy?
- 1857. What is Castigliano’s theorem?
- 1858. What is strain energy due to axial load?
- 1859. What is strain energy due to torsion?
- 1860. What is strain energy due to bending?
- 1861. Define modulus of resilience.
- 1862. Define proof resilience.
- 1863. Define resilience.
- 1864. Define strain energy.
- 1865. How is failure predicted for complex stresses?
- 1866. What is yield criterion?
- 1867. What is safety factor?
- 1868. Which theory is used for brittle materials?
- 1869. Which theory is used for ductile materials?
- 1870. What is distortion energy theory?
- 1871. What is maximum shear stress theory?
- 1872. What is maximum strain theory?
- 1873. What is maximum stress theory?
- 1874. What are different theories of failure?
- 1875. What is 3D stress system
- 1876. What are normal and tangential stresses?
- 1877. What is state of pure shear?
- 1878. What is state of simple stress?
- 1879. What is the significance of Mohr’s circle?
- 1880. What is Mohr’s circle?
- 1881. Derive the formula for principal stresses in 2D stress system.
- 1882. What is maximum shear stress?
- 1883. Define principal planes.
- 1884. Define principal stresses.
- 1885. What is equivalent length of column?
- 1886. What are end conditions for columns?
- 1887. Define crippling load.
- 1888. What is Rankine’s formula?
- 1889. What are assumptions in Euler’s theory?
- 1890. State Euler’s formula.
- 1891. Define slenderness ratio.
- 1892. What is buckling?
- 1893. Define strut.
- 1894. Define column.
- 1895. What is maximum deflection in simply supported beams?
- 1896. What is conjugate beam method?
- 1897. What is moment-area method?
- 1898. What is Macaulay’s method?
- 1899. What is double integration method?
- 1900. What are methods for calculating deflection?