MCQOPTIONS
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MCQOPTIONS
This section includes 222 Mcqs, each offering curated multiple-choice questions to sharpen your Mechanical Measurements knowledge and support exam preparation. Choose a topic below to get started.
| 201. |
A discrepancy is |
| A. | The difference between a measurement and true value of the quantity measured |
| B. | The difference between true value of the quantity and error |
| C. | The difference between the measured value and actual value |
| D. | The difference between the measured values of the same quantity |
| E. | None of the above |
| Answer» E. None of the above | |
| 202. |
Odometer is used to measure |
| A. | Distances |
| B. | Threshold odours |
| C. | Composition of gases |
| D. | Velocities and accelerations |
| E. | Suspended solids in a gas |
| Answer» B. Threshold odours | |
| 203. |
Accuracy of mesurements depends upon |
| A. | precision of technique |
| B. | precision of instruments employed |
| C. | good planning of instruments |
| D. | all of above |
| E. | Any of the above |
| Answer» E. Any of the above | |
| 204. |
One of more electronic tubes are used in the circuitry of a VTVM for |
| A. | amplification |
| B. | rectification |
| C. | both for amplification and rectification |
| D. | None of the above |
| E. | Any of the above |
| Answer» D. None of the above | |
| 205. |
Which of the following phosphor bronze material is usually brazed? |
| A. | Beryllium copper |
| B. | Phosphor bronze |
| C. | Stainless steel |
| D. | K-monel |
| E. | Alloy steel |
| Answer» B. Phosphor bronze | |
| 206. |
Range of temperature measurement of a resistance thermometer is |
| A. | ? 50? F to 200? F |
| B. | ? 100? F to 400? F |
| C. | ? 200? F to 800? F |
| D. | ? 400? F to 1800? F |
| E. | Any of the above |
| Answer» E. Any of the above | |
| 207. |
The standard sulphur point temperature is |
| A. | 212?C |
| B. | 444.60?C |
| C. | 666.80?C |
| D. | 100?C |
| E. | 999.99?C |
| Answer» C. 666.80?C | |
| 208. |
The specific conductance of good quality raw water is |
| A. | 1 micro mho/cm |
| B. | 1000 micro mho/cm |
| C. | 0.1 micro mho/cm |
| D. | 10 micro mho/cm |
| E. | 100 micro mho/cm |
| Answer» F. | |
| 209. |
A three digit 0 - 1 V digital voltmeter will have a resolution of |
| A. | 0.1 V |
| B. | 1 mV |
| C. | 1, A |
| D. | 1/2 V |
| E. | 1 |
| Answer» C. 1, A | |
| 210. |
Which of the following materials has maximum resistivity |
| A. | Nichrome |
| B. | Isoeleastic |
| C. | Karma |
| D. | None of the above |
| E. | Any of the above |
| Answer» C. Karma | |
| 211. |
A fathometer works on the principle of |
| A. | Reflection of magnetic waves |
| B. | Reflection of sound waves |
| C. | Reflection of ultrasonic waves |
| D. | Reflection of radio waves |
| E. | Reflection of gamma rays |
| Answer» C. Reflection of ultrasonic waves | |
| 212. |
Mcleod gauge is used to measure |
| A. | pH value |
| B. | Pressure |
| C. | Vacuum |
| D. | Flow rate |
| E. | Suspended matter |
| Answer» D. Flow rate | |
| 213. |
Which of the following is the displacement type blow measuring device? |
| A. | Helix type |
| B. | Nutating disc |
| C. | Semi-rotary piston |
| D. | Reciprocating piston |
| E. | Turbine |
| Answer» F. | |
| 214. |
A magneto-strictive transducer works on the principle of variations of |
| A. | Permeability of magnetic materials when subjected to strain |
| B. | Resistance of material when subjected to strain |
| C. | Flux linkage of material when subjected to strain |
| D. | None of the above |
| E. | Manometer |
| Answer» B. Resistance of material when subjected to strain | |
| 215. |
A piezometer is used to measure |
| A. | Very low pressures |
| B. | High pressures |
| C. | Pressure differential |
| D. | Pressures above and below atmospheric pressure |
| E. | Atmospheric pressures |
| Answer» B. High pressures | |
| 216. |
The advantage of digital instruments is |
| A. | No observational error |
| B. | Faster reading |
| C. | Output can be fed to a memory circuit |
| D. | Better accuracy |
| E. | All of the above |
| Answer» F. | |
| 217. |
Which of the following thermocouple can be used for temperatures above 1000?C |
| A. | Platinum - Rhodium |
| B. | Chromel - Alumel |
| C. | High pressure Chromel - Copper |
| D. | Any of the above |
| E. | None of the above |
| Answer» B. Chromel - Alumel | |
| 218. |
A temperature sensitive transducer is subjected to a sudden temperature change. It takes 18 seconds for the transducer to reach equilibrium condition (five times constant). The time taken by the transducer to read half of the temperature difference will be nearly |
| A. | 0.35 second |
| B. | 0.99 second |
| C. | 0.69 second |
| D. | 1.38 second |
| E. | 3.92 second |
| Answer» E. 3.92 second | |
| 219. |
A right balance meter cannot measure |
| A. | Pressure |
| B. | Flow |
| C. | Mass flow rate |
| D. | All of the above |
| E. | None of the above |
| Answer» E. None of the above | |
| 220. |
Loading error in a system can be classified as |
| A. | Systematic error |
| B. | error of judgement |
| C. | illegitimate error |
| D. | None of the above |
| E. | Any of the above |
| Answer» B. error of judgement | |
| 221. |
The material used in the construction of a thermistor is |
| A. | Nickel oxide |
| B. | Iron oxide |
| C. | Nickel |
| D. | None of the above |
| E. | Any of the above |
| Answer» B. Iron oxide | |
| 222. |
The sensitivity accuracy of an instrument depends on |
| A. | Frequency response |
| B. | Amplitude distortion |
| C. | Tempearature variations |
| D. | Hysteresis |
| E. | None of the above |
| Answer» D. Hysteresis | |