Engineering :: Mechanical Measurements
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| 81. |
Which of the following is a non-contact type thermometer? |
| A. |
Alcohol thermometer |
B. |
Thermocouple |
| C. |
Bimetal strip thermometer |
D. |
Vapour pressure thermometer |
| E. |
Optical pyrometer |
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Answer: Option E
Explanation:
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| 82. |
Which of the following is not a non-contact type thermometer? |
| A. |
Disappearing filament type pyrometer |
B. |
Total intensity radio meters |
| C. |
Photoelectric tube pyrometers |
D. |
Suction pyrometer |
| E. |
Colour pyrometer |
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Answer: Option D
Explanation:
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| 83. |
For measuring the temperature of a boiler furnace which one of the following is the appropriate thermometer? |
| A. |
Optical pyrometer |
B. |
Bimetallic thermometer |
| C. |
Thermocouple |
D. |
Resistance thermometer |
| E. |
Any of the above |
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Answer: Option A
Explanation:
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| 84. |
Which of the following instrument is suitable for measuring the temperature of a red hot moving material like molten steel or molten cst iron? |
| A. |
Gas thermometer |
B. |
Thermistor |
| C. |
Thermocouple |
D. |
Radiation pyrometer |
| E. |
All of the above |
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Answer: Option D
Explanation:
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| 85. |
Contraction or expansion due to changes in temperature can be measured by |
| A. |
Dilatometer |
B. |
Fathometer |
| C. |
Tellurometer |
D. |
Optical pyrometer |
| E. |
Thermocouple |
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Answer: Option A
Explanation:
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| 86. |
Which of the following flow measuring instrument is an area meter? |
| A. |
Venturimeter |
B. |
Rotameter |
| C. |
Pitot tube |
D. |
Hot wire anemometer |
| E. |
None of the above |
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Answer: Option B
Explanation:
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| 87. |
A flapper nozzle is used in |
| A. |
Electronic controller |
B. |
Hydraulic Controller |
| C. |
Pneumatic controller |
D. |
All of the above |
| E. |
None of the above |
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Answer: Option C
Explanation:
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| 88. |
The least count of a vernier caliper used in industries is generally |
| A. |
0.001 mm |
B. |
1 mm |
| C. |
0.02 mm |
D. |
None of the above |
Answer: Option C
Explanation:
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| 89. |
Flow rate of a river can be determined by |
| A. |
Kennison nozzle |
B. |
Kundt's tube |
| C. |
Orifice |
D. |
Weir |
| E. |
Venturimeter |
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Answer: Option D
Explanation:
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| 90. |
Mcleod gauge is used to measure |
| A. |
Pressure |
B. |
Vacuum |
| C. |
Flow rate |
D. |
Suspended matter |
| E. |
pH value |
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Answer: Option B
Explanation:
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