Machine Design

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Machine Quizzes & Trivia

5 questions to test your knowledge on machine design


Questions and Answers
  • 1. 
    For shafting, alloy steel is for high strength requirements, what material to be used for commercial purposes.
    • A. 

      Stainless steel

    • B. 

      Mild steel

    • C. 

      Carbon steel

    • D. 

      Nickel steel

  • 2. 
    A hollow shaft must carry a torque of 3,400,000 N-mm at a shearing stress of 55 Mpa. The inside diameter is to be 0.65Do. Find the outside diameter?
    • A. 

      82 mm

    • B. 

      75 mm

    • C. 

      76 mm

    • D. 

      73 mm

  • 3. 
    The torsional deflection of SAE 1040 steel shaft is 0.8 deg. in a length of 500 mm. The shear stress is 69 Mpa. Compute the diameter of the shaft if the steel modulus of elasticity is 79,300 Mpa.
    • A. 

      51

    • B. 

      75

    • C. 

      62

    • D. 

      50

  • 4. 
    A vertical load of 400N acts at the end of a horizontal rectangular cantilever beam 2-m long and 25-m. If the allowable bending stress is 130,000 kPa, find the depth of the beam?
    • A. 

      34.83 mm

    • B. 

      40.4 mm

    • C. 

      38.43 mm

    • D. 

      39.44 mm

  • 5. 
    • A. 

      Shear stress

    • B. 

      Tensile stress

    • C. 

      Bending stress

    • D. 

      Compressive stress