CSLB Structural Steel (C-51) License: Practice Examinations

What this exam covers

Practice questions for the California CSLB Structural Steel (C-51) license exam, delivered online and graded instantly. Per the state's classification, a C-51 contractor fabricates and erects structural steel shapes and plates of structural steel, including the riveting, welding, rigging and metal roofing systems necessary to perform this work. Works on any device, including iPad. See the official CSLB C51 classification.

4 exams · over 350 questions

Sample questions

1. When tightening bolts in a connection on posts and columns on a high rise, the proper sequence is:
   A. from the outermost bolt · ✓ B. from the middle · C. from any location · D. all of the above
2. Until they have been certifi ed by a DOSH approved certifying agent, cranes with a capacity greater than ___ tons should not be used.
   A. 1 · B. 2 · ✓ C. 3 · D. 4
3. Acetylene torch pressure should always be kept below:
   A. 10 psi · ✓ B. 15 psi · C. 20 psi · D. 30 psi
4. The most efficient way to reduce heat inside an open space of a room under construction is to:
   A. use refrigeration · ✓ B. use a fan · C. use compressed air · D. open the doors and let the air come in
5. On a lap weld, the minimum lap is:
   A. 2x the thickness of the thinner part · B. 3x the thickness of the thinner part · C. 4x the thickness of the thinner part · ✓ D. 5x the thickness of the thinner part