with Answers & Detailed Rationales |
Apprentice Lineman Exam Prep
,1. On distribution lines and often in rural substations, a common circuit breaker is a:
Answer: Recloser
Rationale: A recloser is an automatically operated high-voltage circuit breaker commonly used
on distribution systems. It can interrupt a fault and then automatically reclose after a preset
interval.
2. Which is one of the most powerfully addictive drugs?
Answer: Cocaine
Rationale: Cocaine is a powerful stimulant with a high potential for psychological dependence
and addiction. Lineman training commonly includes substance-abuse awareness because
impairment creates serious electrical and workplace-safety risks.
3. The highest maximum-use voltage for rubber insulating equipment for phase-to-phase
exposure shown in the material is:
Answer: 36 kV
Rationale: Rubber insulating equipment is assigned voltage classes and maximum-use voltages.
The value shown in your source is 36 kV for the stated phase-to-phase exposure.
4. In 1952, the IBEW and NECA appointed a full-time director of:
, Answer: Apprenticeship and training
Rationale: Apprenticeship and training programs are important to the electrical industry
because they provide workers with structured instruction and supervised practical experience.
5. There should always be ___ giving the operator signals or directions. Always be sure that
the signal person and ___ are using the same hand signals.
Answer: One person / Operator
Rationale: Having one designated signal person reduces conflicting instructions. The operator
must clearly understand and follow the agreed-upon hand signals.
6. All decisions of the CIR must be made by a ___ vote.
Answer: Unanimous
Rationale: In the context of the material shown, CIR decisions are indicated as requiring a
unanimous vote, meaning all members must agree.
7. Chronic marijuana use can cause damage and changes to a person's ___ similar to those
that occur with aging.
Answer: Brain