A. 67.5°C
B. 30.0°C
C. 25.0°C
D. 15.0°C
E. 10.0°C

Correct Answer:

Option E – 10.0°C

Explanation

θ = (x/y) x 100.
where x = UFP -LFP -another scale, and y = UFP – LFP for celsius scale.

=> {(45-30)/(180-30)} x 100 = 10.0oC

Copyright warnings! Do not copy.