QUESTIONS AND CORRECT ANSWERS
WITH DETAILED EXPLANATIONS NCCER
CERTIFICATION AND LEVEL TEST PREP
GRADE A+
(Transformers)
3. Troubleshoot and maintain transformers. - CORRECT ANSWER-
(Motor Controls)
1. Identify relays and contactors. - CORRECT ANSWER-
(Motor Controls)
2. Select magnetic and manual motor starters. - CORRECT ANSWER-
(Motor Controls)
3. Identify control transformers and pilot devices. - CORRECT ANSWER-
(Motor Controls)
4. Identify installation considerations for motor controls. - CORRECT
ANSWER-
, (Heat Tracing and Freeze Protection)
1. Describe heat-tracing applications, components, controls, and
selection/installation
considerations related to piping. - CORRECT ANSWER-
(Heat Tracing and Freeze Protection)
2. Describe roof, gutter, and downspout de-icing systems and the relevant
selection/installation considerations. - CORRECT ANSWER-
(Heat Tracing and Freeze Protection)
3. Describe snow-melting and anti-icing systems and the relevant
selection/installation
considerations. - CORRECT ANSWER-
(Heat Tracing and Freeze Protection)
4. Describe other electric heat-tracing and warming systems and the
relevant(Electrical Safety)
1. Identify electrical hazards and their effects. - CORRECT ANSWER-
(Electrical Safety)
2. Use PPE to reduce the risk of injury. - CORRECT ANSWER-
(Electrical Safety)