MASTER ELECTRICIAN TEST 211 Que And Ans Graded A+!!!

Given: Two separate Services are identical in voltage and amperage, except that one service serves only motor - loads and the other serves lighting loads only. in the event of a short circuit in these services, the available short circuit current will be: A) The same in either service B) Higher in the motor-load service C) Higher in the lighting -load service D) 25% greater in the service for the motor load - ANS The same in either service (general knowledge) A device that requires a portable ladder for access, but does NOT require removal of the structure, is defined as being? A) Accessible B) Unaccessible C) Simi- accessible D) Readily accessible - ANS Accessible (article 100) Which of the following is a multi - wire branch circuit? A) Multiple conductors made up in the form of a cable B) Conductors used to connect the non - current - carrying metal parts of appliances C) A circuit that direct connects the service equipment to the main circuit breaker D) A circuit that consists of two or more ungrounded conductors and a grounded conductor - ANS A circuit that consists of two or more ungrounded conductors and a grounded conductor. (article 100) A listed assembly of two , three, or four insulated circuit conductors within a NONMETALLIC jacket, an extruded thermoplastic covering, or a sealed nonmetallic covering that can be mounted directly on the surface of walls and ceilings is the definition for: A) Flat conductor cable B) Flat cable assemblies C) Nonmetallic sheath cable D) Concealable nonmetallic extension - ANS Concealable nonmetallic extension (article 382.2) A group of devices that serve to govern in some predetermined manner the electric power delivered to the apparatus to which it is connected is a ? A) Device B) Controller C) Disconnect D) Circuit breaker - ANS Controller (article 100) For a service panel fed by parallel 3/0 AWG copper conductors, the copper GROUNDING - ELECTRODE run from the service panel to the metallic water service shall be at least size ____________ AWG A) 4 B) 2 C) 1/0 D) 2/0 - ANS 2 (table 250.66) A dry - type TRANSFORMER may be LOCATED in a suspended ceiling space where it is not ready ACCESSIBLE if the voltage is 600 volts or less and has a maximum rating of ____________ kva A) 10 B) 25 C) 50 D( 112 - ANS 50 (article 450.13 (B) ) A SERVICE head can be located no further away from the point of attachment than ____________ inches A) 18 B) 24 C) 36 D) 48 - ANS 24" (article 230.54) (C) (exceptions) ACCEPTABLE METHODS of connecting GROUNDING and BONDING conductors include all the following, EXCEPT: A) Solder joints B) Terminal bars C) Exothermic weld D) Listed pressure connectors - ANS solder joints (article 250.8 (A) The amount of available fault current at the service depends upon the : A) Method of bonding B) Method of grounding C) Size and impedance of the service transformer D) Ampere rating of the over current protection device - ANS Size and impedance of the service transformer ( general knowledge ) For a residential service calculation, heat pump loads are required to be calculated at _______________ percent of the nameplate rating when used without any supplemental electric heating. A) 65 B) 80 C) 100 D) 125 - ANS 100% (article 220.82 (C) (2) ) Where the footing steel serves as the only grounding electrode for a building , does the code require a maximum resistance in ohms for this concrete encased electrode? A) Yes, 0 ohms B) Yes, 25 ohms C) Yes, 50 ohms D) No, the code has no resistance requirements for footing steel electrodes - ANS No, the code has no resistance requirement for footing steel electrodes. (general Knowledge) SERVICE CONDUCTORS passing through a building are CONSIDERED OUTSIDE THE BUILDING if: