Oil Burner License Study Guide ( Massachusetts )

Modern equipment employs the use of power vents, What makes this possible ? {Ans: Pre Purge- Post purge controls}Electrical energy is supplied to this device so it perform curtain functions {Ans: Load}What is the smallest vent pipe used for residential. {Ans: 1 inch 1/4}What is the flash point of #2 fuel oil ? {Ans: 115}Draft measurements are taken in what? {Ans: Inches of water column}What device sees flame failure and causes it to lockout? {Ans: Cad Cell}