logo

CuriousTab

CuriousTab

Discussion

Home ‣ Mechanical Engineering ‣ Engineering Mechanics Comments
  • Question

  • The rate of doing work is known as


  • Options
  • A. potential energy
  • B. kinetic energy
  • C. power
  • D. none of these

  • Correct Answer
  • power 

    • Engineering Mechanics problems

    Search Results

    • 1. A block ot mass 20 kg lying on a rough horizontal plane is connected by a light string passing over a smooth pulley to another mass 5 kg, which can move freely in the Vertical direction, as shown in the below figure. The tension in the string will __________ with the increase in coefficient of friction.

    • Options
    • A. increase
    • B. decrease
    • C. not be effected
      • Discuss
    • 2. A framed structure is imperfect, if the number of members are __________ (2j - 3).

    • Options
    • A. equal to
    • B. less than
    • C. greater than
    • D. either (b) or (c)
      • Discuss
    • 3. The linear acceleration (a) of a body rotating along a circular path of radius (r) with an angular acceleration of ? rad / s2, is

    • Options
    • A. a = ?/ r
    • B. a = ?.r
    • C. a = r / ?
    • D. none of these
      • Discuss
    • 4. When a particle moves along a straight path, there will be centripetal acceleration as well as tangential acceleration.

    • Options
    • A. Correct
    • B. Incorrect
      • Discuss
    • 5. Moment of inertia of a circular section about its diameter (d) is

    • Options
    • A. ?d3/16
    • B. ?d3/32
    • C. ?d4/32
    • D. ?d4/64
      • Discuss
    • 6. The centre of gravity of a right circular solid cone is at a distance of __________ from its base, measured along the vertical axis.(where h = Height of a right circular solid cone.)

    • Options
    • A. h/2
    • B. h/3
    • C. h/4
    • D. h/6
      • Discuss
    • 7. If three coplaner forces acting on a point are in equilibrium, then each force is proportional to the sine, of the angle between the other two.

    • Options
    • A. Correct
    • B. Incorrect
      • Discuss
    • 8. The unit of work in S.I. units is

    • Options
    • A. newton
    • B. erg
    • C. kg-m
    • D. joule
      • Discuss
    • 9. Onejoule is equal to

    • Options
    • A. 0.1 N-m
    • B. 1 N-m
    • C. 10 N-m
    • D. 100 N-m
      • Discuss
    • 10. One end of a helical spring is fixed while the other end carries the load W which moves with simple harmonic motion. The frequency of motion is given by(where ? = Deflection of the spring.)

    • Options
    • A.
    • B.
    • C.
    • D.
      • Discuss

    Comments

    There are no comments.
Enter a new Comment




Aptitude

Engineering

Programming

Reasoning

Links

Copyright ©CuriousTab. All rights reserved.