Chemical Engineering - Process Control and Instrumentation
Exercise :: Process Control and Instrumentation - Section 3
| 1. |
The temperature range for which copper resistance thermometer can be used is __________ °C |
| A. |
0 to 150 | | B. |
-200 to 150 | | C. |
350 to 750 | | D. |
500 to 900 |
Answer: Option B
Explanation:
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| 2. |
Paramagnetism method is not used for the composition determination of __________ in gases. |
| A. |
oxygen | | B. |
oxides of nitrogen | | C. |
carbon dioxide | | D. |
any of these |
Answer: Option C
Explanation:
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| 3. |
An amplitude ratio of 0.1 corresponds to __________ decibels. |
Answer: Option B
Explanation:
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| 4. |
For increased speed of response of an expansion pressure spring thermometer, the thermometer bulb should have a |
| A. |
large area but small mass. | | B. |
high thermal conductivity. | | C. |
small specific heat. | | D. |
all'a', 'b' & 'c'. |
Answer: Option D
Explanation:
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| 5. |
Pressure of 0.0001 absolute psi can be measured by __________ gauge. |
| A. |
Mcloid | | B. |
Pirani | | C. |
thermocouple | | D. |
none of these |
Answer: Option A
Explanation:
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