What is the purpose of excess combustion air?
A) Excess air is added to insure complete combustion
B) Excess air is added to improve combustion efficiency
C) Excess air improves the over-fire draft
D) Excess air is added to increase the combustion temperature
A
You might also like to view...
When both front outriggers are positioned and ready to lift, the _____.
a. back wheels should not be touching the ground at all b. front wheels should not be touching the ground at all c. rear wheels should be touching the ground and carrying limited weight d. front wheels should be touching the ground and carrying limited weight
At times, lights are controlled by ____ switches and relays.
A. low-voltage B. inductive C. high-voltage D. four-pole
In what way could hospital deliveries differ from office deliveries?
What will be an ideal response?
Each township measures.
What will be an ideal response?