Basic Safety – NCCER Exam Questions with Correct Answers
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Course
Nccer scaffold
Institution
Nccer Scaffold
Apparatus - Answer-An assembly of machines used together to do a particular job
Arc - Answer-The flow of electrical current through a gas such as air form one pole to another pole
Arc Welding - Answer-The joining of metal parts by fusion, in which the necessary heat is produced by means of an...
Basic Safety – NCCER Exam Questions
with Correct Answers
Apparatus - Answer-An assembly of machines used together to do a particular job
Arc - Answer-The flow of electrical current through a gas such as air form one pole to
another pole
Arc Welding - Answer-The joining of metal parts by fusion, in which the necessary heat
is produced by means of an electric arc
Combustible - Answer-Capable of easily igniting and rapidly burning ; Used to describe
a fuel with a flash point at or above 100 degrees F
Competent person - Answer-A person who can identify working conditions or
surroundings that are unsanitary, hazardous, or dangerous to employees and who has
authorization to correct or eliminate these conditions promptly
Concealed receptacle - Answer-The electrical outlet that is placed inside the structural
elements of a building, such as inside the walls. The face of the receptacle is flush with
the finished wall surface and covered with a plate
Confined space - Answer-A work area large enough for a person to work, but arranged
in such a way that an employee must physically enter the space to perform work. A
confined space has a limited or restricted means of entry and exit. It is not designed for
continuous work. Tanks, vessels, silos, pits, vaults, and hoppers are examples of
confined spaces
Cross-Bracing - Answer-Braces(metal or wood) placed diagonally from the bottom of
one rail to the top of another rail that add support to a structure
Dross - Answer-Waste material resulting from cutting using a thermal process
Electrical distributing panel - Answer-Part of the electrical distribution system that brings
electricity from the street source (power poles and transformers) through the service
lines to the electrical meter mounted on the outside of the building and to the panel
inside the building. The panel houses the circuits that distribute electricity throughout
the structure
Excavation - Answer-Any man-made cut, cavity, trench, or depression in an earth
surface, formed by removing earth
Extension Ladder - Answer-a ladder made of two straight ladders that are connected so
that the overall length can be adjusted
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