Engineering :: Mechanical Measurements
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| 231. |
Positive displacement flow meters are |
| A. |
variable area flow meter |
B. |
differential pressure flow meter |
| C. |
quantity flow meter |
D. |
None of the above |
Answer: Option C
Explanation:
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| 232. |
A rotameter is used to measure |
| A. |
velocity of liquids |
B. |
pressure of gases |
| C. |
specific gravity of liquids |
D. |
None of the above |
Answer: Option A
Explanation:
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| 233. |
Decibels are basically measures of |
| A. |
power gain |
B. |
voltage fain |
| C. |
current gain |
D. |
None of the above |
Answer: Option A
Explanation:
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| 234. |
Which of the following materials has macimum gaga factor |
| A. |
Nichrome |
B. |
Isoelastic |
| C. |
Karma |
D. |
None of the above |
Answer: Option B
Explanation:
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| 235. |
Odometer is used to measure |
| A. |
threshold odours of gases |
B. |
composition of gases |
| C. |
distances |
D. |
None of the above |
Answer: Option C
Explanation:
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| 236. |
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 |
Answer: Option D
Explanation:
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| 237. |
Accuracy of mesurements depends upon |
| A. |
precision of technique |
B. |
precision of instruments employed |
| C. |
good planning of instruments |
D. |
all of above |
Answer: Option D
Explanation:
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