The temperature of the oil in a fired oil heater is controlled by:
a. Increasing the oil flow
b. Decreasing the gas flow alone
c. Varying the firing rate
d. Decreasing the air, flow alone
e. Controlling water level in the drum
Answer: C
The temperature of the oil in a fired oil heater is controlled by:
a. Increasing the oil flow
b. Decreasing the gas flow alone
c. Varying the firing rate
d. Decreasing the air, flow alone
e. Controlling water level in the drum
Answer: C