What component of a furnace protects the convection section from direct exposure to the radiant heat of the firebox?
A. Bridgewall
B. Purge system
C. Refractory lining
D. Shock bank tubes
A. Incorrect. A bridgewall is a wall or vertical partition in the fire chamber of the furnace that is used to deflect the heat.
B. Incorrect. The system that is used to remove combustible materials from the firebox is called a purge system.
C. Incorrect. A refractory lining is a bricklike form of insulation used inside high-temperature furnaces.
D. Correct. Shock bank tubes protect the convection section from direct exposure to the radiant heat of the firebox.
You might also like to view...
NEC Article 440, Part V covers _____.
a. requirements for motor compressor controllers b. the control and protection of fixed electric space heating equipment c. digital control systems d. resistors and reactors
Determine the cross-sectional area of a regular octagon cross-section tool steel piece shown. The piece weighs 3.72 pounds. The tool steel weighs 0.284 pounds per cubic inch. Round to two decimal places.
What will be an ideal response?
What type of output does an induction pulse generator used to read shaft or rotor speed produce?
A. AC B. DC C. PWM D. constant frequency
Thicknesses of shims are normally distributed with mean 1.5 mm and standard deviation 0.2 mm. Three shims are stacked, one atop another.
a. Find the probability that the stack is more than 5 mm thick. b. Find the 80th percentile of the stack thickness. c. What is the minimum number of shims to be stacked so that the probability that the stack is more than 5 mm thick is at least 0.99?