Match List – I with List – II and select the correct answer
List – I List – II
A. Engine speed 1. Manometer
B. Fuel heating value 2. Tachometer
C. Air velocity 3. Hydrometer
D. Relative humidity of air 4. Calorimeter
5. Hygrometer
Codes: A B C D
(a) 2 5 1 4
(b) 1 5 3 4
(c) 2 4 1 5
(d) 1 4 3 5