Match List-I (Flow Meters) with List-II (Variable Parameters) and select the correct answer using the codes given below the lists;
List-I
A. Nozzle Flowmeter
B. Turbine Flowmeter
C. Electromagnetic flow meter
D. Rotameter
List-II
1. Variable area
2. Variable frequency
3. Variable head
4. Variable amplitude
Codes:
A B C D
(a) 1 2 4 3
(b) 1 2 3 4
(c) 1 4 2 3
(d) 3 2 4 1