Consider the following statements:The Fourier heat conduction equationQ = -k A d t /d xPresumesi) Steady state conditionsii) Constant value of thermal conductivityiii) Uniform temperature at the wall surfaceiv) One dimensional heat flowWhich of these statements are correct?

• A. i, ii and iii
• B. i, ii and iv
• C. i, iii and iv
• D. i, iii and iv