Question Statement:
Match the Fuel Properties in Group-I with their Definitions in Group-II:
$\begin{array}{|ll|ll|}\hline \textbf{Group-I (Property)} & & \textbf{Group-II (Definition)} & \\ \hline \text{P. Cetane Number} & & \text{1. Measure of knock resistance in SI engines} \\ \text{Q. Octane Number} & & \text{2. Measure of ignition quality in CI engines} \\ \text{R. Flash Point} & & \text{3. Lowest temperature for momentary vapor flash} \\ \text{S. Pour Point} & & \text{4. Lowest temperature at which oil flows} \\ \hline \end{array}$
Select the CORRECT matching pair:
Options:
- (A) P-2, Q-1, R-3, S-4
- (B) P-1, Q-2, R-3, S-4
- (C) P-2, Q-3, R-1, S-4
- (D) P-3, Q-1, R-2, S-4