California Contractors License Exams

California Plumbing Contractor

Sample Questions for the California Plumbing Contractors Exam

  1. On an island vent, what type of fittings should be used and in what order should they be used to make the return bend under the drain board?
    1. Two vent 90 degree bends
    2. Four 45 degree bends
    3. A 45 degree, a 90 degree, a 45 degree, and a 90 degree bend
    4. A 45 degree, a 90 degree, and a 45 degree bend
  2. A given installation uses 360 feet of 3-1/2” pipe. How many feet of 1-1/2” pipe would be needed in an equivalent installation?
    1. 40 feet
    2. 1440 feet
    3. 2740 feet
    4. 3240 feet
  3. Which of the following implements should be used to prevent kinks when reshaping soft copper tubes?
    1. Dummy
    2. Brass ferrule
    3. Internal switch
    4. Bending spring
  4. Which of the following implements should be used to prevent kinks when reshaping soft copper tubes?
    1. A dummy
    2. A brass ferrule
    3. A bending spring
    4. An internal switch
  5. What fitting and procedure should be used to connect a discharge pipe from a sewage ejector to a horizontal gravity draining line?
    1. From top through a tapped san tee fitting
    2. From the side through a P-trap fitting
    3. From the top through a wye branch fitting
    4. From the bottom through a 1/8 bend fitting
Answers: Click Here to show the answers.