Which of the statements given above is/are correct?

Question

Consider the following statements:

            1. The fuel of cetane number 40 has the same ignition quality as that of a mixture having 40% $\alpha$ methylnaphthalene.

2. In the cetane number testing of an unknown fuel, the engine is first run on the test fuel with injection timing set at 3⁰ before the TDC.

            Which of the statements given above is/are correct?

            (a) 1 only                     (b) 2 only

            (c) Both 1 and 2          (d) Neither 1 nor 2