NCCER Electrical Level 2 Module 4 exam 2023 with Complete Solutions

The minimum bending radius for 3" rigid conduit is _____. - Correct Answer 13" The minimum bending radius for 1/2" rigid conduit is _____. - Correct Answer 4" The maximum number of 90° bends allowed between pull points in a conduit system is ______. - Correct Answer four A saddle bend is counted as ____. - Correct Answer 60°-180°, depending on the type of bends When referring to the two bends required to make an offset in a length of conduit, which of the following is always true? - Correct Answer The degree of bend for each must be equal. The reason for making a saddle bend in a run of conduit is to _____. - Correct Answer cross a small obstacle Which of the following formulas should be used to find the side adjacent? - Correct Answer C = A ÷ H The equation used to calculate the circumference of a circle is ____. - Correct Answer C = 2πR The fractional equivalent of the decimal 0.015625 is ____. - Correct Answer 1/64 Two or more parallel bends that are bent in the same direction are known as ____. - Correct Answer concentric bends You are making a concentric bend and the radius of the first pipe is 16", the OD of the first pipe is 2", and the spacing between pipes is 3". What is the radius of the second pipe? - Correct Answer 21" You are making a 20" offset with two 30° bends. The distance between bends is ____. - Correct Answer 40" A saddle to cross a pipe requires ____. - Correct Answer Three bends An important safety precaution to use when working with PVC conduit is to _____. - Correct Answer Provide proper ventilation to carry off fumes from the joint cement To prevent flattening when bending larger diameter PVC pipe, use _____. - Correct Answer plugs and air pressure