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  • Question

  • When a body is subjected to bi-axial stress i.e. direct stresses (?x) and (?y) in two mutually perpendicular planes accompanied by a simple shear stress (?xy), then minimum normal stress is


  • Options
  • A. When a body is subjected to bi-axial stress i.e. direct stresses (?x) and (?y) in two mutually perpe
  • B. When a body is subjected to bi-axial stress i.e. direct stresses (?x) and (?y) in two mutually perpe
  • C. When a body is subjected to bi-axial stress i.e. direct stresses (?x) and (?y) in two mutually perpe
  • D. When a body is subjected to bi-axial stress i.e. direct stresses (?x) and (?y) in two mutually perpe

  • Correct Answer
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    • More questions

    • 1. The method of grinding used to produce a straight or tapered surface on a workpiece, is

    • Options
    • A. internal cylindrical grinding
    • B. form grinding
    • C. external cylindrical grinding
    • D. surface grinding
      • Discuss
    • 2. The main alloying elements high speed steel in order of increasing proportion are

    • Options
    • A. vanadium, chromium, tungsten
    • B. tungsten, titanium, vanadium
    • C. chromium, titanium, vanadium
    • D. tungsten, chromium, titanium
      • Discuss
    • 3. Whenever a material is loaded within elastic limit, stress is __________ strain.

    • Options
    • A. equal to
    • B. directly proportional to
    • C. inversely proportional to
      • Discuss
    • 4. The pressure inside the cylinder is __________ the atmospheric pressure during the exhaust stroke.

    • Options
    • A. equal to
    • B. below
    • C. above
      • Discuss
    • 5. According to Pascal's law, the intensity of pressure at any point in a fluid at rest is the same in all directions.

    • Options
    • A. Agree
    • B. Disagree
      • Discuss
    • 6. The firing order in an I.C. engine depends upon

    • Options
    • A. arrangement of the cylinders
    • B. design of crankshaft
    • C. number of cylinders
    • D. all of these
      • Discuss
    • 7. The main characteristics of a maintenance-free (MF) battery is that

    • Options
    • A. a maintenance-free battery requires little maintenance during normal use and it is sufficient to add water instead of an electrolyte containing sulphuric acid
    • B. a maintenance-free battery has a relatively short shelf life when compared with standard batteries
    • C. since it is sealed, the water in a maintenance-free battery is not lost through evaporation thus accordingly it is not necessary to top up the cells with water
    • D. recharging of a maintenance-free battery is neither required nor possible
      • Discuss
    • 8. Which of the following statement is wrong?

    • Options
    • A. The value of C.O.P. is always greater than one.
    • B. In a vapour compression system, the condition of refrigerant before entering the compressor is dry saturated vapour.
    • C. The space between the saturated liquid line and saturated vapour line, in a pressure enthalpy chart, is wet vapour region.
    • D. none of the above
      • Discuss
    • 9. The component that is responsible for converting the rotation of the steering wheel into lateral motion is the

    • Options
    • A. steering wheel
    • B. steering shaft
    • C. steering gearbox
    • D. tie rod
      • Discuss
    • 10. The property of sand due to which it evolves a great amount of steam and other gases is called

    • Options
    • A. collapsibility
    • B. permeability
    • C. cohesiveness
    • D. adhesiveness
      • Discuss

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