Question

Match the LIST-I with LIST-II {|c|l|c|l|} \multicolumn{2}{|c|}{LIST-I} & \multicolumn{2}{c|}{LIST-II}
A. External Combustion & & I. Carburetor
B. SI Engine & & II. Hybrid Engines
C. CI Engine & & III. Fuel injection pump
D. Dual fuel & & IV. Boiler
Choose the correct answer from the options given below:

• A. A-IV, B-I, C-III, D-II
• B. A-I, B-II, C-III, D-IV
• C. A-III, B-IV, C-II, D-I
• D. A-II, B-III, C-IV, D-I

Hint:

Important engine-component associations: \[ \text{SI Engine} \rightarrow \text{Carburetor} \] \[ \text{CI Engine} \rightarrow \text{Fuel Injection Pump} \] \[ \text{External Combustion Engine} \rightarrow \text{Boiler} \] Remember these standard pairings for objective examinations.

Answer 1

The Correct Option is A

Concept: Internal combustion and external combustion engines are classified based on the location where combustion of fuel takes place. Different engine systems use specific components for fuel preparation and power generation. To solve matching questions correctly, it is important to understand the working principle and important component associated with each engine type. The important concepts used in this question are:
• External combustion engines use a boiler where fuel combustion occurs outside the engine cylinder.
• SI (Spark Ignition) engines use a carburetor for preparation of air-fuel mixture.
• CI (Compression Ignition) engines use a fuel injection pump for supplying diesel fuel at high pressure.
• Dual fuel engines are closely associated with hybrid engine operation using two fuels together.

Step 1: Matching External Combustion Engine. In an external combustion engine, the combustion process occurs outside the engine cylinder. Steam engines are common examples of external combustion engines. The major component responsible for generating steam is the: \[ \text{Boiler} \] Hence, \[ A \rightarrow IV \]

Step 2: Matching SI Engine. SI engine means Spark Ignition engine. Petrol engines are common SI engines. In SI engines, the air and fuel are mixed before entering the cylinder. The device used for preparing this mixture is called: \[ \text{Carburetor} \] Therefore, \[ B \rightarrow I \]

Step 3: Matching CI Engine. CI engine means Compression Ignition engine. Diesel engines are common examples. These engines require fuel to be injected into the combustion chamber at very high pressure. The component responsible for this operation is: \[ \text{Fuel injection pump} \] Hence, \[ C \rightarrow III \]

Step 4: Matching Dual Fuel Engine. Dual fuel engines operate using two fuels simultaneously or sequentially. Such systems are often associated with hybrid engine arrangements. Therefore: \[ D \rightarrow II \]

Step 5: Writing the final matching sequence. Combining all the correct matches: \[ A-IV,\; B-I,\; C-III,\; D-II \] This corresponds to: \[ \boxed{\text{Option (A)}} \] Verification Table: \[ \begin{array}{|c|c|} \hline \text{LIST-I} & \text{LIST-II} \hline A.\ \text{External Combustion} & IV.\ \text{Boiler} \hline B.\ \text{SI Engine} & I.\ \text{Carburetor} \hline C.\ \text{CI Engine} & III.\ \text{Fuel injection pump} \hline D.\ \text{Dual fuel} & II.\ \text{Hybrid Engines} \hline \end{array} \] Thus, the correct answer is: \[ \boxed{A-IV,\; B-I,\; C-III,\; D-II} \]