### Engineering > Mechanical Engineering

## THEORY OF MACHINE MCQs

### Total Questions : 563

**Page 1 of 29 pages**

**A disturbing mass m₁ attached to the rotating shaft may be balanced by a single mass m₂ attached in the same plane of rotation as that of m₁, such that (where r₁ and r₂ are the radii of rotation of m₁ and m₂ respectively)**

__Question 1.__- m₁ r₂ = m₂ r₁
- m₁ r₁ = m₂ r₂
- m₁ m₂ = r₁ r₂
- None of these

**Answer: Option B**

**A disturbing mass m₁ attached to the rotating shaft may be balanced by a single mass m₂ attached in the same plane of rotation as that of m₁, such that (where r₁ and r₂ are the radii of rotation of m₁ and m₂ respectively)**

__Question 3.__- m₁ r₂ = m₂ r₁
- m₁ r₁ = m₂ r₂
- m₁ m₂ = r₁ r₂
- None of these

**Answer: Option B**

**A disturbing mass m₁ attached to the rotating shaft may be balanced by a single mass m₂ attached in the same plane of rotation as that of m₁, such that (where r₁ and r₂ are the radii of rotation of m₁ and m₂ respectively)**

__Question 4.__- m₁ r₂ = m₂ r₁
- m₁ r₁ = m₂ r₂
- m₁ m₂ = r₁ r₂
- None of these

**Answer: Option B**

**The relation l = (2/3).(j + 2) apply only to kinematic chains in which lower pairs are used. this may be used to kinematic chains in which higher pairs are used, but each higher pair may be taken as equivalent to**

__Question 7.__- One lower pair and two additional links
- Two lower pairs and one additional link
- Two lower pairs and two additional links
- Any one of these

**Answer: Option B**

**A disturbing mass m₁ attached to the rotating shaft may be balanced by a single mass m₂ attached in the same plane of rotation as that of m₁, such that (where r₁ and r₂ are the radii of rotation of m₁ and m₂ respectively)**

__Question 16.__- m₁ r₂ = m₂ r₁
- m₁ r₁ = m₂ r₂
- m₁ m₂ = r₁ r₂
- None of these

**Answer: Option B**

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