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  • Question
  • The periodic time (T) is given by(where ? = Angular velocity of particle in rad / s.)


  • Options
  • A. ?/2?
  • B. 2?/?
  • C. 2? x ?
  • D. ?/?

  • Correct Answer
  • 2?/? 


  • More questions

    • 1. A grinding wheel is said to be of __________ if the abrasive grains can be easily dislodged.

    • Options
    • A. soft grade
    • B. medium grade
    • C. hard grade
    • Discuss
    • 2. During elastic impact, the relative velocity of the two bodies after impact is __________ the relative velocity of the two bodies before impact.

    • Options
    • A. equal to
    • B. equal and opposite to
    • C. less than
    • D. greater than
    • Discuss
    • 3. The force which acts along the radius of a circle and directed towards the centre of the circle is known as centripetal force.

    • Options
    • A. True
    • B. False
    • Discuss
    • 4. Which one of the following material will require the largest size of riser for the same size of casting?

    • Options
    • A. Aluminium
    • B. Cast iron
    • C. Steel
    • D. Copper
    • Discuss
    • 5. According to Euler's column theory, the crippling load of a column is given by p = ?2 EI/Cl2. In the Euler's formula, the value of C for a column with both ends fixed is 4.

    • Options
    • A. Agree
    • B. Disagree
    • Discuss
    • 6. The velocity of steam leaving the nozzle (V) is given by (where K = Nozzle coefficient or nozzle efficiency, and hd = Enthalpy or heat drop during expansion of steam in a nozzle)

    • Options
    • A. V = 44.72 hd K
    • B. V = 44.72 K hd
    • C. V = 44.72 K hd
    • D. V = 44.72 K hd
    • Discuss
    • 7. Which of the following metal is used in making electrical resistance wire for electric furnaces and heating elements?

    • Options
    • A. Babbit metal
    • B. Monel metal
    • C. Nichrome
    • D. Phosphor bronze
    • Discuss
    • 8. The shear force of a cantilever beam of length l carrying a uniformly distributed load of w per unit length is __________ at the free end.

    • Options
    • A. zero
    • B. wl/4
    • C. wl/2
    • D. wl
    • Discuss
    • 9. With an increase in size of tube, the rise or depression of liquid in the tube due to surface tension will

    • Options
    • A. decrease
    • B. increase
    • C. remain unchanged
    • D. depend upon the characteristics of liquid
    • Discuss
    • 10. The specific humidity during cooling and dehumidification

    • Options
    • A. remains constant
    • B. increases
    • C. decreases
    • Discuss


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