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All the question's and answer's in this quiz are found in Tom Henry's book, "The Pictorial Workbook of the Code Volume Four".
1. The industrial control panel does not include the .
- [ ] controlled equipment
- [ ] timers
- [ ] disconnect
- [ ] relays
2. A motor disconnecting means shall be within sight from the .
- [ ] controller, but must have a lock-out at the motor
- [ ] controller and disconnect all ungrounded conductors into it
- [ ] motor and have a lockable stop/start button
- [ ] motor location only if the disconnect or stop/start is lockable
3. Generators operating at volts or less and driven by individual motors shall be considered as protected by the overcurrent device protecting the motor if these devices will operate when the generators are delivering not more than 150% of their full load rated current.
- [ ] 85
- [ ] 70
- [ ] 65
- [ ] 75
4. A receptacle which is secured solely by a single screw, installed in a raised cover on a four square box .
- [ ] is prohibited in all cases
- [ ] is allowed without exeception
- [ ] is allowed only when the raised cover is installed on a nonmetallic box
- [ ] is allowed only for a box cover listed for such use
5. AC-DC general use snap switches may be used for control of inductive loads not exceeding of the rating at the voltage.
- [ ] 100%
- [ ] 80%
- [ ] 70%
- [ ] 50%
6. Knife switches rated for more than 1200 amperes at 250 volts .
- [ ] should be placed so that gravity tends to close them
- [ ] are used only as isolating switches
- [ ] may be opened under load
- [ ] should be connected in parallel
7. The minimum clearance required between a high pressure sodium lighting fixture and combustible ceiling framing is .
- [ ] 1/2"
- [ ] 5/8"
- [ ] 1/4"
- [ ] 11/16"
8. Transformers rated kVA or larger are required to have their impedance marked on the nameplate.
- [ ] 15
- [ ] 25
- [ ] 12
- [ ] 7.5
9. The maximum overcurrent device on a branch circuit supplying a ASME rated boiler is amps.
- [ ] 150
- [ ] 60
- [ ] 40
- [ ] 100
10. Thermoplastic insulation may stiffen at temperatures colder than minus degrees C, requiring care be exercised during installation.
- [ ] 30
- [ ] 15
- [ ] 5
- [ ] 10
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