# Theory Of Machine

• ## A ball and a socket forms a_____.

• A. Turning pair
• B. Rolling pair
• C. Screw pair
• D. Spherical pair
Explanation:

No answer description available for this question.

• ## In a spring controlled governor, when the controlling force _____ as the radius of rotation increases, it is said to be a stable governor.

• A. Remains constant
• B. Decreases
• C. Increases
• D. None of these
Explanation:

No answer description available for this question.

• ## The Scott-Russell mechanism consists of_____.

• A. Sliding and turning pairs
• B. Sliding and rotary pairs
• C. Turning and rotary pairs
• D. Sliding pairs only
Explanation:

No answer description available for this question.

• ## In a vibrating system, if the actual damping coefficient is 40 N/m/s and critical damping coefficient is 420 N/m/s, then logarithmic decrement is equal to_____.

• A. 0.2
• B. 0.4
• C. 0.6
• D. 0.8
Explanation:

No answer description available for this question.

• ## Which of the following disciplines provides study of relative motion between the parts of a machine?

• A. Theory of machines
• B. Applied mechanics
• C. Mechanisms
• D. Kinematics
Explanation:

No answer description available for this question.

• ## Shaft revolving in a bearing is the following type of pair_____.

• A. Lower pair
• B. Higher pair
• C. Spherical pair
• D. Cylindrical pair
Explanation:

No answer description available for this question.

• ## The number of links in pantograph mechanism is equal to_____.

• A. 2
• B. 3
• C. 4
• D. 5
Explanation:

No answer description available for this question.

• ## If the controlling force line for a spring controlled governor when produced intersects the Y-axis at the origin, then the governor is said to be_____.

• A. Stable
• B. Unstable
• C. Isochronous
• D. None of these
Explanation:

No answer description available for this question.

• ## In under damped vibrating system, if x₁ and x₂ are the successive values of the amplitude on the same side of the mean position, then the logarithmic decrement is equal to_____.

• A. x₁/x₂
• B. log(x₁/x₂)
• C. loge(x₁/x₂)
• D. log(x₁.x₂)
Explanation:

No answer description available for this question.

• ## In a gear having involute teeth, the normal to the involute is a tangent to the_____.

• A. Pitch circle
• B. Base circle