Consider the following statements with regard to heat transfer:
1. The temperature variations in lumped heat capacity analysis is exponential with time
2. In situations involving simultaneous heat and mass transfer, the ratio of convective heat transfer to convective mass transfer varies with Lewis number, Le, as (Le)1/3
Which of the above statements are correct?1
Both 1 and 2
2
Neither 1 nor 2
3
1 only
4
2 only