The heating value per unit volume of hydrogen gas is less than ……… that of air.
A. 1/12th
B. 1/10th
C. 2/3rd
D. 1/3rd
Answer:A
The heating value per unit volume of hydrogen gas is less than ……… that of air.
A. 1/12th B. 1/10th C. 2/3rd D. 1/3rd
Explanation: None