EIM 10

Which of the following conduits are electrical materials which are manufactured to be resistant to moisture and chemical atmosphere?

• PVC

• Rigid metallic conduit

• EMT

• Asbestos

Which of the following statement is false?

• PVC pipes are flame retardant

• PVC pipes are easily burned

• PVC pipes are resistant to impact

• PVC pipes are not easily get out shape by the heat

Which of the following materials does not belong in creating PVC pipe

• Asbestos cement conduit

• polyvinyl chloride

• High density polyethylene

• Methane

Which of the following statement is false?

• PVC pipes are flame retardant

• PVC pipes are easily burned

• PVC pipes are resistant to impact

• PVC pipes are not easily get out shape by the heat

Which of the following conditions provide by the Philippine Electrical Code (PEC) in installing rigid non-metallic conduit or PVC?

• Concealed in floors, walls and ceilings

• Direct Earth burial or underground

• In dry and damp locations

• All of the above

What is the maximum spacing between support of PVC pipe size 32-50 mm?

• 800mm

• 900mm

• 1200mm

• 1500

Which of the following is one of the most commonly used conduits in electrical wiring installation today?

• EMT

• PVC

• RSC

• GMI

Which of the following is less than 90° bend and it is used when the conduit crosses an obstacle or when the conduit is entering an electrical box?

• Elbow

• Offset

• Round saddle

• Square saddle

This is used when the conduit run across circular objects like pipes

• Elbow

• Offset

• Round saddle

• Square saddle

This is just a combination of two offset bends and used when the conduit run across rectangular obstacles.

• Elbow

• Offset

• Round saddle

• Square saddle