Mercury thermometer is commonly used for low temperature measurement. The freezing point and boiling point of mercury are respectively _____________ °C?
Correct answer: A. - 39 and 350
- A. - 39 and 350
- B. - 51 and 439
- C. - 79 and 395
- D. - 10 and 425
Explanation
Mercury freezes at about −38.8°C and boils at about 356.7°C, conventionally rounded here to −39°C and 350°C. This makes option a the closest listed pair.
Report an error
The more specific you are, the faster it gets fixed. A source beats an opinion.
Prefer email? support@testustad.com
Practise Process Control and Instrumentation
254 free Process Control and Instrumentation MCQs from Chemical Engineering, each with the correct answer and an explanation. Unlimited attempts, no account needed.
Exams that ask Chemical Engineering questions like this
Chemical Engineering is on this paper prepared for on TestUstad, and all of them draw the same bank, so this question is worth knowing for it.
More Process Control and Instrumentation questions
Compositional analysis of flue gas coming out of a furnace in respect of O2 and CO2% can be continuously done by a/an___________________?
Bimetal strips are not used in________________?
In second order underdamped system ?
A stable system is the one___________________?
Routh test_________________?
Bourdon gauges are used for measuring pressure (kg/cm2) ?