Normal mercury thermometer can be used to measure a temperature of ab – McqOptions

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1.	Normal mercury thermometer can be used to measure a temperature of about 300°C. However, its maximum temperature measurement range can be increased upto about 500°C by
A.	Filling nitrogen under pressure in the stem
B.	Increasing the diameter of the tube
C.	Using steel tube in place of glass tube
D.	Accounting for the tube expansion
Answer» B. Increasing the diameter of the tube

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