Which of the following is defined as the length of time it takes for a wood support exposed to fire to reach an average temperature rise of 121°F or an individual temperature rise of 325°F when the temperature is measured on the plane of the wood nearest the fire?
a. Fire rating
b. Finish rating
c. Burn rating
d. Fireproof rating
b. Finish rating
You might also like to view...
A steam system whose main function is to moisturize animal feed pellets before packaging would be classified as a(n) _____.
a. condensate system b. steam plant system c. process water system d. auxiliary steam system
The testicles must be cooler than the body to produce sperm
Indicate whether the statement is true or false
When servicing a drive shaft, technician A says that its a good idea to tape the U-joint caps to prevent them from coming off. Technician B says that needle bearings are used with these type U-joints. Which technician is correct?
A) Technician A only B) Technician B only C) Both technicians A and B D) Neither technician A nor B
Proper ventilation is important when welding because _____
a. it keeps the operator from getting overheated b. it keeps the smoke away from the workpiece c. the fumes given off by the process can be dangerous d. the airflow keeps sparks away from the operator