MCQOPTIONS
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MCQOPTIONS
This section includes 657 Mcqs, each offering curated multiple-choice questions to sharpen your Testing Subject knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
A hydraulic ram is a device |
| A. | To generate high pressures |
| B. | To temporarily store the energy of water |
| C. | To increase the intensity of pressure |
| D. | To lift small quantity of water to a greater height by means of large quantity of water falling through small height |
| E. | None of the above |
| Answer» E. None of the above | |
| 2. |
A type of flow in which the fluid particles while moving in the direction of flow rotate about their mass centre, is known as |
| A. | Uniform flow |
| B. | Rotational flow |
| C. | Steady flow |
| D. | Turbulent flow |
| E. | Laminar flow |
| Answer» C. Steady flow | |
| 3. |
The metacentre is |
| A. | Point of intersection of buoyant force and gravitational force |
| B. | Mid-point between C.G. and centre of buoyancy of a body |
| C. | Centre of pressure of the displaced volume of fluid |
| D. | Point of intersection of buoyant force and centre line of body |
| E. | Centroid of the displaced volume of fluid |
| Answer» E. Centroid of the displaced volume of fluid | |
| 4. |
A pilot tube is used for the measurement of |
| A. | Viscosity |
| B. | Velocity |
| C. | Flow rate |
| D. | Pressure |
| E. | Surface tension |
| Answer» C. Flow rate | |
| 5. |
If the Froude number in open channel flow is equal to 1.0, the flow is known as |
| A. | critical flow |
| B. | Turbulent flow |
| C. | streaming flow |
| D. | Laminar flow |
| E. | shooting flow |
| Answer» D. Laminar flow | |
| 6. |
The advantage of exposed penstock is |
| A. | Full exposure to external variation in temperature |
| B. | Longitudinal stresses may develop owing to anchorages |
| C. | Changes of water conveyed being frozen in severe cold climates |
| D. | Expansion joints necessary |
| E. | Safety against sliding |
| Answer» F. | |
| 7. |
The advantages of burried penstocks is |
| A. | Less accessible in inspection |
| B. | Tendency to slide along steep slopes |
| C. | Need for special coating against the corrosive action of salts present in soil |
| D. | Location difficult |
| E. | No expansion joints needed |
| Answer» F. | |
| 8. |
Micaceous rocks with closely spaced cleavage planes along which easy separation can be affected, are known as |
| A. | Stratified rocks |
| B. | Schistos rocks |
| C. | Sedimentary rocks |
| D. | Popping rocks |
| E. | Intact rocks |
| Answer» C. Sedimentary rocks | |
| 9. |
The resultant hydrostatic force acts through a point known as |
| A. | Centre of gravity |
| B. | Centre of buoyancy |
| C. | Centre of Pressure |
| D. | None of the above |
| E. | Is practically incompressible |
| Answer» D. None of the above | |
| 10. |
In a sudden expansion in a pipe |
| A. | frictional resistance is negligible |
| B. | piezometric head gradually rises in the downstream direction |
| C. | total energy line rises in the down-stream direction |
| D. | velocity head gradually increases |
| Answer» D. velocity head gradually increases | |
| 11. |
Pressure inside a water droplet is given by the relation |
| A. | p = 4𝜎/d |
| B. | p = 3𝜎/d |
| C. | p = 8𝜎/d |
| D. | p = 16𝜎/d |
| Answer» B. p = 3𝜎/d | |