NAPE Third Grade Engineering Test Guide Questions Solved Correctly 2024.

How Can you lose your license? - Answer Drinking on the job, sleeping, negligence, unsafe work, failing to renew license, signing a falsified licensing application. What must you do if you change jobs? - Answer You must notify City Hall if you change jobs, change address or retire Why should you do rounds? - Answer To find and correct problems, prevent breakdowns, keeping permanent records will make it easier to forecast most breakdowns because you will get to know your equipment. What is a steam boiler? - Answer A closed vessel partly filled with water, under pressure, that transforms water into steam with the application of heat. What are requirements of a good boiler? - Answer Must be simple, designed to accommodate expansion and contraction, adequate steam and water space, fuel efficient, responsive to demands, accessible for cleaning and repair, safe to operate. What is Radiant Heat? - Answer Radiant Heat is heat transferred from a hot to a cold body without a material carrier, that is, by means of electromagnetic waves through any transparent medium. When radiant energy strikes an Opaque Object (non-transparent) it becomes thermal energy. What is Conduction Heat? - Answer Heat transferred from physical contact, molecule to molecule. If one end of metal pipe is heated then the heat will also transfer to the other end. What is Convection Heat? - Answer Heat transferred by a material carrier in motion such as air or water. What is a combustion chamber? - Answer The area of a boiler where the complete burning of fuel occurs.