Match List-I (Measuring devices) with List-II (Measured parameter) and select the correct answer using the options given below the lists.List I(Measuring instrument)List II(Variable to be measured)APilot-tube1Flow static pressureBMicro-manometer2A rate of flow (indirect)CPipe bend meter3Differential pressureDWall pressure tap4Flow stagnation pressure

• A. A-1; B-3; C-2; D-4
• B. A-4; B-3; C-2; D-1
• C. A-1; B-2; C-3; D-4
• D. A-4; B-2; C-3; D-1