NCCER WELDING LEVEL 1 MODULE 3
(EHOVE) COMPREHENSIVE EXAM
WITH FULL COMPLETE SOLUTIONS
Transferred Arc Process - ANS -The plasma arc cutting process type most
commonly used is the.
100% cotton - ANS -When operating plasma arc cutting equipment it is acceptable
to wear a hat made of.
35 % - ANS -The duty-cycle range for a light-duty unit is typically.
Amperage - ANS -The unit of measure used for the intensity of an electric current;
often abbreviated to amp or amps
Dross - ANS -A waste by product of molten metal
Duty cycle - ANS -The percentage of a plasma arc cutting machine can cut without
overheating within a 10 minute period.
Phase - ANS -In a three phase power supply system, the sine wave of voltage on
each of the three separate conductors is displaced from each of the others by
120°, although all conductors are carrying alternating current at the same
frequency and are synchronized. Each of the three sine waves is referred to as
phase of the power source.
, Plasma - ANS -A fourth state of matter (not solid, liquid,or gas) created by heating
a gas to such a high temperature that it boils electrons off the gas molecules
(ionization)
Potential - ANS -The relative electrical voltage difference between two points of
reference; The electromotive force or difference in potential between two points,
expressed in volts.
Solenoid Valve - ANS -A valve used to control the flow of gases or liquids that is
open or closed by the action of energized electromagnet
Hafnium or thoriated tungsten insert - ANS -The typical plasma arc cutting torch
usually contains a replaceable retaining cup, compromised of a copper electrode
with a(n).
Cut with more uniform melt rate - ANS -Some types of PAC torches inject water to
create a whirlpool of water around the jet to.
Adjustable wrench or correctly sized open-end wrench - ANS -To remove, attach,
or tighten the regulator's connection to a gas cylinder, you would use.
Hold the torch directly over the point to be pierced at a 0-degree work angle. -
ANS -To pierce very thin metal with a plasma torch you should.
30,000°F (16,650°C) - ANS -Plasma arc cutting uses a jet of plasma that can reach
temps as high as
(EHOVE) COMPREHENSIVE EXAM
WITH FULL COMPLETE SOLUTIONS
Transferred Arc Process - ANS -The plasma arc cutting process type most
commonly used is the.
100% cotton - ANS -When operating plasma arc cutting equipment it is acceptable
to wear a hat made of.
35 % - ANS -The duty-cycle range for a light-duty unit is typically.
Amperage - ANS -The unit of measure used for the intensity of an electric current;
often abbreviated to amp or amps
Dross - ANS -A waste by product of molten metal
Duty cycle - ANS -The percentage of a plasma arc cutting machine can cut without
overheating within a 10 minute period.
Phase - ANS -In a three phase power supply system, the sine wave of voltage on
each of the three separate conductors is displaced from each of the others by
120°, although all conductors are carrying alternating current at the same
frequency and are synchronized. Each of the three sine waves is referred to as
phase of the power source.
, Plasma - ANS -A fourth state of matter (not solid, liquid,or gas) created by heating
a gas to such a high temperature that it boils electrons off the gas molecules
(ionization)
Potential - ANS -The relative electrical voltage difference between two points of
reference; The electromotive force or difference in potential between two points,
expressed in volts.
Solenoid Valve - ANS -A valve used to control the flow of gases or liquids that is
open or closed by the action of energized electromagnet
Hafnium or thoriated tungsten insert - ANS -The typical plasma arc cutting torch
usually contains a replaceable retaining cup, compromised of a copper electrode
with a(n).
Cut with more uniform melt rate - ANS -Some types of PAC torches inject water to
create a whirlpool of water around the jet to.
Adjustable wrench or correctly sized open-end wrench - ANS -To remove, attach,
or tighten the regulator's connection to a gas cylinder, you would use.
Hold the torch directly over the point to be pierced at a 0-degree work angle. -
ANS -To pierce very thin metal with a plasma torch you should.
30,000°F (16,650°C) - ANS -Plasma arc cutting uses a jet of plasma that can reach
temps as high as
