MCQOPTIONS
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MCQOPTIONS
This section includes 2158 Mcqs, each offering curated multiple-choice questions to sharpen your GATE (Mechanical Engineering) knowledge and support exam preparation. Choose a topic below to get started.
| 2151. |
A piece of metal of specific gravity 13.6 is placed in mercury of specific gravity 13.6, what fraction of it volume is under mercury? |
| A. | the metal piece will simply float over the mercury |
| B. | the metal piece will be immersed in mercury by half |
| C. | whole of the metal piece will be immersed with its top surface just at mercury level |
| D. | metal piece will sink to the bottom |
| Answer» D. metal piece will sink to the bottom | |
| 2152. |
The total pressure on the surface of a vertical sluice gate 2 m x 1 m with its top 2 m surface being 0.5 m below the water level will be |
| A. | 500 kg |
| B. | 1000 kg |
| C. | 1500 kg |
| D. | 2000 kg |
| Answer» E. | |
| 2153. |
A bucket of water is hanging from a spring balance. An iron piece is suspended into water without touching sides of bucket from another support. The spring balance reading will |
| A. | increase |
| B. | decrease |
| C. | remain same |
| D. | increase/decrease depending on depth of immersion |
| Answer» D. increase/decrease depending on depth of immersion | |
| 2154. |
Alcohol is used in manometers because |
| A. | it has low vapour pressure |
| B. | it is clearly visible |
| C. | it has low surface tension |
| D. | it can provide longer column due to low density |
| Answer» E. | |
| 2155. |
Increase in pressure at the outer edge of a drum of radius R due to rotation at corad/sec, full of liquid of density p will be |
| A. | pco2/?2 |
| B. | pco2/?2/2 |
| C. | 2pa2R2 |
| D. | pa2R/2 |
| Answer» C. 2pa2R2 | |
| 2156. |
The surface tension of mercury at normal temperature compared to that of water is |
| A. | more |
| B. | less |
| C. | same |
| D. | more or less depending on size of glass tube |
| Answer» B. less | |
| 2157. |
Property of a fluid by which molecules of different kinds of fluids are attracted to each other is called |
| A. | adhesion |
| B. | cohesion |
| C. | viscosity |
| D. | compressibility |
| Answer» B. cohesion | |
| 2158. |
The value of mass density in kgsecVm4 for water at 0°C is |
| A. | 1 |
| B. | 1000 |
| C. | 100 |
| D. | 101.9 |
| Answer» E. | |