2026/2027 PREP QUESTIONS COMPLETE
ACCURATE EXAM APPROVED QUESTIONS AND
CORRECT VERIFIED SOLUTIONS WITH DETAILED
RATIONALES (100% CORRECT VERIFIED
ANSWERS) LATEST UPDATED VERSION 2026
EDITION
When arc welding light gauge metal (less than ⅛ Thick) in the
vertical position, the welding should be done
A. from the top down.
B. from the bottom up.
C. both ways from the middle.
D. alternately from top and bottom.
A. from the top down.
The first pass in a bevel pipe weld is called the
A. root pass.
B. included pass.
C. lap pass.
D. tack pass.
A. root pass.
In an oxygen cutting job, the greatest safety hazard is the
A. possibility of asphyxiation.
B. danger of burning the eyes.
C. stream of sparks and molten metal.
D. ignition of the welded metal.
C. stream of sparks and molten metal.
,Warpage due to welding can be reduced by
A. Increasing the amperage.
B. welding the reverse polarity.
C. increasing the size of the electrode.
D. skip or step welding.
D. skip or step welding.
To arc weld on the structural steel frame of an overhead crane
equipped with anti-friction bearings, clamp the ground led to
A. the rail of the crane runway.
B. the structural member on which you are welding.
C. any nearby steel part of the truck assembly that will carry the
ground.
D. the collector rails.
B. the structural member on which you are welding.
The primary purpose of peening as welding progresses is to
A. condition the surface for further welding
B. relieve stresses
C. clean the scale from the weld.
D. Eliminate pores.
B. relieve stresses
What is the maximum safe pressure you can have on the low-pressure
side of a fuel gas regulator?
A.10 psig
B. 15 psig
C. 25 psig
D. 30 psig
B. 15 psig
, Gas torch tips are usually numbered 0 to 15. The larger the number,
the
A. greater the tip angle.
B. smaller the tip orifice.
C. larger the tip orifice.
D. longer the tip stem.
C. larger the tip orifice.
A drive sprocket has 15 teeth, and the driven sprocket has 60 teeth.
The driven sprocket is
damaged and must be replaced, but you only have a 48-tooth
sprocket. How many teeth should be on the drive sprocket to
maintain the same speed on the machine?
A. 12
B. 16
C. 20
D. 190
A. 12