Quality of air required for air cooling is ______
A. 1-3 %
B. 2-5 %
C. above 5 %
D. none of the mentioned
Answer:A
Quality of air required for air cooling is ______
A. 1-3 % B. 2-5 % C. above 5 % D. none of the mentioned
Explanation: 1-3% air quality is required for air cooling.