a) “A mercury thermometer is capable of measuring 0 °C to 100 °C temperature”. Rewrite the sentence using technical terminology. b) A Bourdon tube gauge is measuring the same pneumatic pressure as...

a) “A mercury thermometer is capable of measuring 0 °C to 100 °C temperature”. Rewrite the sentence using technical terminology. b) A Bourdon tube gauge is measuring the same pneumatic pressure as 30.5 kPa and 30.7 kPa when the pressure is in increasing and decreasing trend respectively. What kind of error it is showing? c) “A distance measured by a metallic scale in summer days and winter days will be different” Explain the statement. d) Explain the working principle of optical pyrometer using clear diagrams.