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The sensitiveness of a bubble tube in a level would decrease if the
- a)radius of curvature of the internal surfaceof the tube is increased
- b)diameter of the tube is increased
- c)length of the vapour bubble is increased
- d)viscosity of the liquid in increased
Correct answer is option 'D'. Can you explain this answer?
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The sensitiveness of a bubble tube in a level would decrease if thea)r...
Explanation:
A bubble tube is used to indicate the level of liquids in tanks. It consists of a glass or plastic tube with a narrow bore. One end of the tube is connected to the fluid container, and the other end is open to the atmosphere. The fluid level in the tube is proportional to the fluid level in the tank. The sensitivity of a bubble tube depends on various factors like the radius of curvature of the internal surface of the tube, diameter of the tube, length of the vapour bubble, and viscosity of the liquid.
Effect of Viscosity of the liquid:
The viscosity of the liquid is the measure of its resistance to flow. The higher the viscosity of the liquid, the more difficult it is for the vapour bubble to move up or down the tube. As the viscosity of the liquid increases, the sensitivity of the bubble tube decreases. This is because the time taken by the bubble to move up or down the tube increases as the viscosity of the liquid increases. Therefore, option D is the correct answer.
Effect of Radius of curvature of the internal surface of the tube:
The radius of curvature of the internal surface of the tube is the distance between the center of curvature and the tube wall. The sensitivity of the bubble tube decreases as the radius of curvature of the internal surface of the tube is increased. This is because the larger the radius of curvature, the more gradual the change in the angle of incidence of the light beam, and hence the less sensitive the device becomes.
Effect of Diameter of the tube:
The sensitivity of the bubble tube increases as the diameter of the tube is decreased. This is because a smaller diameter tube will have a smaller volume, and hence the vapour bubble will move more rapidly up or down the tube.
Effect of Length of the vapour bubble:
The sensitivity of the bubble tube decreases as the length of the vapour bubble is increased. This is because the longer the bubble, the more time it takes to move up or down the tube, and hence the less sensitive the device becomes.
A bubble tube is used to indicate the level of liquids in tanks. It consists of a glass or plastic tube with a narrow bore. One end of the tube is connected to the fluid container, and the other end is open to the atmosphere. The fluid level in the tube is proportional to the fluid level in the tank. The sensitivity of a bubble tube depends on various factors like the radius of curvature of the internal surface of the tube, diameter of the tube, length of the vapour bubble, and viscosity of the liquid.
Effect of Viscosity of the liquid:
The viscosity of the liquid is the measure of its resistance to flow. The higher the viscosity of the liquid, the more difficult it is for the vapour bubble to move up or down the tube. As the viscosity of the liquid increases, the sensitivity of the bubble tube decreases. This is because the time taken by the bubble to move up or down the tube increases as the viscosity of the liquid increases. Therefore, option D is the correct answer.
Effect of Radius of curvature of the internal surface of the tube:
The radius of curvature of the internal surface of the tube is the distance between the center of curvature and the tube wall. The sensitivity of the bubble tube decreases as the radius of curvature of the internal surface of the tube is increased. This is because the larger the radius of curvature, the more gradual the change in the angle of incidence of the light beam, and hence the less sensitive the device becomes.
Effect of Diameter of the tube:
The sensitivity of the bubble tube increases as the diameter of the tube is decreased. This is because a smaller diameter tube will have a smaller volume, and hence the vapour bubble will move more rapidly up or down the tube.
Effect of Length of the vapour bubble:
The sensitivity of the bubble tube decreases as the length of the vapour bubble is increased. This is because the longer the bubble, the more time it takes to move up or down the tube, and hence the less sensitive the device becomes.
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The sensitiveness of a bubble tube in a level would decrease if thea)radius of curvature of the internal surfaceof the tube is increasedb)diameter of the tube is increasedc)length of the vapour bubble is increasedd)viscosity of the liquid in increasedCorrect answer is option 'D'. Can you explain this answer?
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