MCQ- STRESSES IN ROTATING DISC

MULTIPLE CHOICE QUESTIONS ON STRESSES IN ROTATING DISC

The major stresses in a rotating disc are

  • σh and σl
  • σh and σr
  • σr and σl
  • None

ANS (b)

Stresses in a rotating disc are considered only at

  • Low speed
  • Medium speed
  • High speed
  • None

ANS: (c)

Types of rotating discs are

  • Solid and trapezoidal
  • Hollow and trapezoidal
  • Trapezoidal and square
  • None

ANS (d)

Various types of rotating discs are

  • Solid and trapezoidal
  • Hollow and solid
  • Trapezoidal and square
  • None

ANS (b)

A disc of uniform strength means

  1. σh = σallow
  2. σl = σallow
  3. σh = σl = σallow
  4. None

ANS : (c )

The thickness of a uniform strength disc varies with radius as

  • Linearly
  • Parabolically
  • Curvilinear
  • None

ANS : (d)

Uniform strength disc thickness varies with radius as

  • Linearly
  • Parabolically
  • exponentially
  • None

ANS : (c)

The maximum thickness of a uniform strength disc is

  • At the center
  • At the outer periphery
  • At the center as well as at the outer radius
  • None

ANS : (a)

Hoop and radial stresses at the center of a solid disc are

  • Equal
  • Double
  • Triple
  • None

ANS: (a)

Radial and hoop stresses at the outer radius of a solid disc are

  • Equal
  • Double
  • Triple
  • None

ANS: (d)

Radial stress at the center of a solid disc is

  • Maximum
  • Minimum
  • Zero
  • None

ANS:(a)

At the outer radius of a solid disc, radial stress is

  • Maximum
  • Minimum
  • Zero
  • None

ANS: (c)

In a hollow disc, radial stress at the inner radius is

  • Maximum
  • Minimum
  • Zero
  • None

ANS:(c)

Radial stress at the outer radius of a solid disc is

  • Maximum
  • Minimum
  • Zero
  • None

ANS: (c)

Hoop stress at the center of a rotating hollow disc is

  • Equal to the radial stress
  • Less than the radial stress
  • Greater than the radial stress
  • None

ANS: (c)

Hoop stress at the outer radius of a rotating hollow disc is

  • Equal to the radial stress
  • Less than the radial stress
  • Greater than the radial stress
  • None

ANS: (c)