Which of the following is NOT an advantage of electric heating?
A. This system is free from dirt.
B. Simple and accurate pressure control can be made either by manual or fullyautomatic switches.
C. Special type of heating can be done very accurately by electric heating system.
D. The overall efficiency of electric heating is much higher.
Answer:B
Which of the following is NOT an advantage of electric heating?
A. This system is free from dirt. B. Simple and accurate pressure control can be made either by manual or fullyautomatic switches. C. Special type of heating can be done very accurately by electric heating system. D. The overall efficiency of electric heating is much higher.