| 1. | The governor in which the displacement of the sleeve is high for the small change of speed is known as ________ ? | |
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hunting
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sensitive
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stable
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isochronous
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Report Question| 2. | The point of contact which is common between the two pitch circles is known as ________ ? | |
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base point
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addendum
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dedendum
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pitch point
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| 3. | Choose the option which is INCORRECT about the term friction ? | |
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Friction produces heat
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It leads to the decrease in the velocity of object
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It leads to the increase in the velocity of object
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It can stop the moving object
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| 4. | Which of the following statement is CORRECT for the modulus of resilience ? | |
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It is the ratio of maximum strain energy and unit volume
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It is the ratio of maximum stress energy and unit volume
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It is the ratio of proof resilience and unit area
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It is the ratio of proof resilience and unit volume
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| 5. | Calculate the value of modulus of elasticity (N/mm²), if the Poisson’s ratio is 0.25 and modulus of rigidity of the material is 80 N/mm ? | |
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100
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200
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250
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300
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| 6. | Which of the following is CORRECT option for validation of Hooke’s law in simple tension test ? | |
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Ultimate stress
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Breaking Point
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Elastic Limit
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Limit of proportionality
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| 7. | Choose the INCORRECT conditions for the thermal stress in a body ? | |
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It is the function of coefficient of thermal expansion
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It is the function of temperature rise
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It is the function of modulus of elasticity
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It is the function of modulus of rigidity
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| 8. | The elongation (mm) in a steel bar having a square cross section of dimension 40 mm x 40 mm is 2.5 mm and is subjected to an axial compressive load of P (kN). If the length of the bar is 4 m and modulus of elasticity is E=250 GPa. What is the value of P (kN) ? | |
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100
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150
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200
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250
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| 9. | The property of a material states that it is rigid. The value of Poisson’s ratio for this particle is ________ ? | |
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0
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1
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2
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None of these
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| 10. | Choose the CORRECT equation which defines the relationship between the Young’s Modulus (E), Bulk modulus (K) and Poisson’s ratio (u) ? | |
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E=3K(1-2u)
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E=3K(1-u)
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K=3E(1-2u)
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K=3E(1-u)
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