Select circuit breakers and copper conductor to serve the circuit of 5,000 watt drier (230 volts)....
Select circuit breakers and copper conductor to serve the circuit of 5,000 watt drier (230 volts). multiple choice
a. 30 amp, two-pole Circuit breaker and 2 #10 wires
b. 100 amp, two-pole Circuit breaker and 2 #4wires
c. 20 amp, one-pole Circuit breaker and 2 #12 wires
d. 60 amp, two-pole Circuit breaker and 2 #6 wires
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Select circuit breakers and copper conductor to serve the
circuit of 5,000 watt drier (230 volts)....
at 120 volts. a. the same b. less J BOX 2-POLE СВ 120/208 v 30, 4-W...
at 120 volts. a. the same b. less J BOX 2-POLE СВ 120/208 v 30, 4-W PANEL K 208 VOLTS DUCT 115.312 Line-to-Line HEATER ct heater contains two identically-rated ne two identically-rated heating elements that are connected as shown. ce rigure 115.312. If the leads of the voltmeter were moved to TI & 14, the r 3. See Figure 115.312. If the lea _ volts. a. 104 b. 120 d. O c. 208 4. See Figure 115.312. If the leads...
O AWG copper conductor without any markings to indicate the The terminal for dh s terminal is assumed to have a min...
O AWG copper conductor without any markings to indicate the The terminal for dh s terminal is assumed to have a minimum terminal temperature rating E. 90°C. 60°C. of: C, D. 75 C. B. 40-С. Code reference re rated branch-circuit supplies fluorescent luminaires (lighting fixtures) with a peres. All terminations are 75°C rated, there are only three current- THHW as shown in Figure 1.43 pe 10. A 20-am carrying conductors in EMT, and the conductor insulation is The minimum size...
answer the following multiple choice questions 5. The most common phase serving . residence would be...
answer the following multiple choice questions
5. The most common phase serving . residence would be single phase bwo or double phase three phase multiple phases none of the answers provided RV9,1110 11. A KVA code letter indicates the innush current per hp. size of the short circult protectors size of the overcurrent protectors size of the thermal overloads none of the answers provided 6. RPM is the approximate speed under full-Hoad conditions when voltage is at rated value when...
(12 If a conductor is covered, it is: A) Encased with an insulation recognized by the Code 8) Encased with an outer...
(12 If a conductor is covered, it is: A) Encased with an insulation recognized by the Code 8) Encased with an outer covering not recognized as electrical insulation C) Effectively isolated from ground faults D) Covered with a material of a composition and thickness recognized by UL (13 Open motors with commutators shall material, but this: A) Is only required for over 600 volts B) Does not prohibit these motors from a Class I location C) Shall not prohibit these...
1. (20 pts.). In the circuit shown in the diagram R 10 m,Ra 0.02 , R...
1. (20 pts.). In the circuit shown in the diagram R 10 m,Ra 0.02 , R 01 , Rs -30 mt Rs 40 min. Rs 50 min. R7 60 min, and ε 100 V. A) (10 pts.) find the equivalent resistance for this circuit; B) (5 pts.) find the voltage and the current for the resistor R C) (5 pts.) find the electric power in the resistor Rr. 2. (20 pts.). In the cir rcuit shown in the diagram, find...
Please write the python functions Problem: Electric wire (Figure is a cylindrical conductor covered by an...
Please write the python functions
Problem: Electric wire (Figure is a cylindrical conductor covered by an insulating material. Figure 2 shows the structure ofa single conductor. The resistance of a piece ofwire is given by the formula: A d where ρ is the resistivity of the conductor, and I (in meter), A, and d (in meter) are the length, cross-sectional area, and diameter of the wire. The wire diameter, d, is commonly specified by the American Wire Gauge (AWG). Which...
Multiple Choices: 1pt _1. If the resistance of a copper wire is 1002 at 20°C, what...
Multiple Choices: 1pt _1. If the resistance of a copper wire is 1002 at 20°C, what is its resistance at 60°C? A. 11662 B. 12522 C. 13492 D. 14322 2. Three resistors of 2022, 60 2 and 100 are connected in parallel. The current through the 100 2 is 120mA. Determine the current through 2012 resistor, A. 1000mA B. 800mA 600mA D. 400mA 3. Three resistors of 6 ohm resistance are connected in delta. Determine the measured resistance of an...
can anyone help me with this test please? I'm struggling with it QUESTION 1 A permanently...
can anyone help me with this test please? I'm struggling with it QUESTION 1 A permanently installed overhead strip light is a ____. a.foot light b.track light c.border light d.head light QUESTION 2 Egress lighting for carnivals, circuses and fairs shall not ____. a.contain metal raceways b.be integrated into a central switchboard c.contain branch circuits d.be protected by a GFCI protection device QUESTION 3 The attachment plug cap in a mobile home shall be a ____, rated 50...
Q3/17 Some copper wire has a resistance of 200 Ohm at 20.C.A current is passed through...
Q3/17 Some copper wire has a resistance of 200 Ohm at 20.C.A current is passed through the wire and the temperature rises to 90°C. Determine the resistance of the wire at 90°C, assuming that the temperature coefficient of resistance * .is 0.004/-C at 0 C 201.666 Ohm O 352.778 Ohm O 232.232 Ohm O 220 Ohm O 251.85 Ohm O 521.65 Ohm O Q5/// The maximum power dissipated in a 4 load is 100 w when connected to a d.c....
at 120 volts. a. the same b. less J BOX 2-POLE СВ 120/208 v 30, 4-W PANEL K 208 VOLTS DUCT 115.312 Line-to-Line HEATER ct heater contains two identically-rated ne two identically-rated heating elements that are connected as shown. ce rigure 115.312. If the leads of the voltmeter were moved to TI & 14, the r 3. See Figure 115.312. If the lea _ volts. a. 104 b. 120 d. O c. 208 4. See Figure 115.312. If the leads...
O AWG copper conductor without any markings to indicate the The terminal for dh s terminal is assumed to have a minimum terminal temperature rating E. 90°C. 60°C. of: C, D. 75 C. B. 40-С. Code reference re rated branch-circuit supplies fluorescent luminaires (lighting fixtures) with a peres. All terminations are 75°C rated, there are only three current- THHW as shown in Figure 1.43 pe 10. A 20-am carrying conductors in EMT, and the conductor insulation is The minimum size...
answer the following multiple choice questions
5. The most common phase serving . residence would be single phase bwo or double phase three phase multiple phases none of the answers provided RV9,1110 11. A KVA code letter indicates the innush current per hp. size of the short circult protectors size of the overcurrent protectors size of the thermal overloads none of the answers provided 6. RPM is the approximate speed under full-Hoad conditions when voltage is at rated value when...
(12 If a conductor is covered, it is: A) Encased with an insulation recognized by the Code 8) Encased with an outer covering not recognized as electrical insulation C) Effectively isolated from ground faults D) Covered with a material of a composition and thickness recognized by UL (13 Open motors with commutators shall material, but this: A) Is only required for over 600 volts B) Does not prohibit these motors from a Class I location C) Shall not prohibit these...
1. (20 pts.). In the circuit shown in the diagram R 10 m,Ra 0.02 , R 01 , Rs -30 mt Rs 40 min. Rs 50 min. R7 60 min, and ε 100 V. A) (10 pts.) find the equivalent resistance for this circuit; B) (5 pts.) find the voltage and the current for the resistor R C) (5 pts.) find the electric power in the resistor Rr. 2. (20 pts.). In the cir rcuit shown in the diagram, find...
Please write the python functions
Problem: Electric wire (Figure is a cylindrical conductor covered by an insulating material. Figure 2 shows the structure ofa single conductor. The resistance of a piece ofwire is given by the formula: A d where ρ is the resistivity of the conductor, and I (in meter), A, and d (in meter) are the length, cross-sectional area, and diameter of the wire. The wire diameter, d, is commonly specified by the American Wire Gauge (AWG). Which...
Multiple Choices: 1pt _1. If the resistance of a copper wire is 1002 at 20°C, what is its resistance at 60°C? A. 11662 B. 12522 C. 13492 D. 14322 2. Three resistors of 2022, 60 2 and 100 are connected in parallel. The current through the 100 2 is 120mA. Determine the current through 2012 resistor, A. 1000mA B. 800mA 600mA D. 400mA 3. Three resistors of 6 ohm resistance are connected in delta. Determine the measured resistance of an...
Q3/17 Some copper wire has a resistance of 200 Ohm at 20.C.A current is passed through the wire and the temperature rises to 90°C. Determine the resistance of the wire at 90°C, assuming that the temperature coefficient of resistance * .is 0.004/-C at 0 C 201.666 Ohm O 352.778 Ohm O 232.232 Ohm O 220 Ohm O 251.85 Ohm O 521.65 Ohm O Q5/// The maximum power dissipated in a 4 load is 100 w when connected to a d.c....
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