IRONWORKER NCCER EXAM COMPLETE QUESTIONS AND
100% VERIFIED ANSWERS LATEST UPDATE (PASS
GUARANTEE)
Which of the following conditions will cause carburizing or
reducing flame? - ANSWER-excess acetylene
If an operator using an OFC process produced an irregular cut
surface with pitting and undercutting, the most likely cause is -
ANSWER-a dirty cutting tip
which of the following is basic definition of concrete? -
ANSWER-artificially made rock
what is the term for the weight of all moving and constantly
acting loads? - ANSWER-live load
which of the following is not one of the three basic components
of concrete? - ANSWER-lime
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which of the following is the most accurate range of strengths
for concrete? - ANSWER-3000 to 20,000 psi
when reinforcing concrete, what does the steel add to the
concrete? - ANSWER-tensile strength
what size wire is used to tie most rebar? - ANSWER-16
which of the following is a low foundation wall of sufficient
depth to extend below the frost line? - ANSWER-grade beam
concrete is strong in compression and , but weak
in . - ANSWER-shear, tension
what are the small "U" or "W" shaped bars placed across a beam
to resist diagonal tension known as? - ANSWER-stirrups
Bar supports are also referred to as - ANSWER-accessories
the function of the is to safely transmit the superstructure
loads to the ground without causing settlement. - ANSWER-
foundation
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in order to connect the column to its supports, are
required. - ANSWER-dowels
in erecting a wall where the footings have been previously
doweled, it is necessary for all dowels to be and .-
ANSWER-straight, in-line
columns are made up of vertical bars and - ANSWER-bands or
ties
what are the end supports for a beam bridge called? - ANSWER-
abutments
SMAW uses which of the following electrode polarities? -
ANSWER-all of the above
All arc-welding processes require a continuous supply of
electrical current. What type of current can be used for SMAW?
- ANSWER-AC or DC