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Home ‣ Mechanical Engineering ‣ Strength of Materials See What Others Are Saying!
  • Question

  • When a body is subjected to direct tensile stresses (?x and ?y ) in two mutually perpendicular directions, accompanied by a simple shear stress ?xy , then in Mohr's circle method, the circle radius is taken as


  • Options
  • A. When a body is subjected to direct tensile stresses (?x and ?y ) in two mutually perpendicular direc
  • B. When a body is subjected to direct tensile stresses (?x and ?y ) in two mutually perpendicular direc
  • C. When a body is subjected to direct tensile stresses (?x and ?y ) in two mutually perpendicular direc
  • D. When a body is subjected to direct tensile stresses (?x and ?y ) in two mutually perpendicular direc

  • Correct Answer
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    • More questions

    • 1. The self ignition temperature of Diesel as compared to petrol is

    • Options
    • A. higher
    • B. lower
    • C. same
    • D. depends on fuel quality
      • Discuss
    • 2. The maximum velocity of a particle moving with simple harmonic motion is

    • Options
    • A. ?
    • B. ?r
    • C. ?2r
    • D. ?/r
      • Discuss
    • 3. The reason for volumetric efficiency of reciprocating compressor being less than 100 percent is

    • Options
    • A. pressure drop across the valves
    • B. superheating in compressor
    • C. clearance volume and leakages
    • D. all of these
      • Discuss
    • 4. Gear lapping is an operation

    • Options
    • A. after heat treatment
    • B. prior to heat treatment
    • C. for gear reconditioning
    • D. none of these
      • Discuss
    • 5. If a tyre is designated as 175/65 R14 82 S, then the aspect ratio for the tyre is

    • Options
    • A. 175
    • B. 65
    • C. 14
    • D. 82
      • Discuss
    • 6. A petrol engine, during suction stroke draws

    • Options
    • A. air only
    • B. petrol only
    • C. a mixture of petrol and air
      • Discuss
    • 7. Which of the following is an example of laminar flow?

    • Options
    • A. Under ground flow
    • B. Flow past tiny bodies
    • C. Flow of oil in measuring instruments
    • D. all of these
      • Discuss
    • 8. The primary fuel used in nuclear power plants is

    • Options
    • A. U235
    • B. U238
    • C. Pu239
    • D. Pu233
      • Discuss
    • 9. In drilling mild steel and brass, the point angle of a drill is 118°.

    • Options
    • A. True
    • B. False
      • Discuss
    • 10. The water tubes in a Babcock and Wilcox boiler are

    • Options
    • A. vertical
    • B. horizontal
    • C. inclined
      • Discuss

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