| 1. | The coefficient of discharge for an external mouthpiece depends upon ? | |
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velocity of liquid
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pressure of liquid
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area of mouthpiece
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length of mouthpiece
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Report Question| 2. | When the pressure intensity at a point is more than the local atmospheric pressure, then the difference of these two pressures is called ? | |
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gauge pressure
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absolute pressure
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positive gauge pressure
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vacuum pressure
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| 3. | The ratio of specific weight of a liquid to the specific weight of pure water at a standard temperature is called ? | |
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density of liquid
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specific gravity of liquid
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compressibility of liquid
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surface tension of liquid
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| 4. | A compound pipe is required to be replaced by a new pipe. The two pipes are said to be equivalent, if ? | |
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length of both the pipes is same
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diameter of both the pipes is same
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loss of head and discharge of both the pipes is same
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loss of head and velocity of flow in both the pipes is same
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| 5. | Venturimeter is used to ? | |
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measure the velocity of a flowing liquid
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measure the pressure of a flowing liquid
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measure the discharge of liquid flowing in a pipe
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measure the pressure difference of liquid flowing between two points in a pipe line
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| 6. | A body floating in a liquid is said to be in neutral equilibrium, if its metacentre ? | |
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coincides with its centre of gravity
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lies above its centre of gravity
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lies below its centre of gravity
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lies between the centre of buoyancy and centre of gravity
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| 7. | The velocity of the liquid flowing through the divergent portion of a venturimeter ? | |
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remains constant
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increases
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decreases
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depends upon mass of liquid
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| 8. | The flow in a pipe or channel is said to be non-uniform when ? | |
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the liquid particles at all sections have the same velocities
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the liquid particles at different sections have different velocities
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the quantity of liquid flowing per second is constant
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each liquid particle has a definite path
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| 9. | The intensity of pressure at any point, in a liquid, is............. to the depth of liquid from the surface ? | |
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equal
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directly proportional
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inversely proportional
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none
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| 10. | The coefficient of discharge for an external mouthpiece is ? | |
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0.375
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0.5
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0.707
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0.855
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