EBK ELECTRICAL WIRING RESIDENTIAL
19th Edition
ISBN: 9781337516549
Author: Simmons
Publisher: CENGAGE LEARNING - CONSIGNMENT
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Textbook Question
Chapter 3, Problem 27R
The rating of a branch circuit is based on (Circle the correct answer.)
- a. the rating of the overcurrent device.
- b. the length of the circuit.
- c. the branch-circuit wire size.
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Homework: ANOVA Table for followed design
Dr
B
AB
-1
-1
1
(15.18,12)
1
-1
-1
(45.48.51)
-1
1
-1
(25,28,19)
1
1
(75,75,81)
"I need the solution along with proof of the
correct choice by the expert."
choose the correct answer
1. The maximum break down strength of air at 76 cm mercury pressure and temperature of 25 °C is......
a. 30 V/cm
b. 30 kV/cm
c. 300 kV/cm
d. Non of them
2. The installed capacity of a power station must be not ....... than the maximum demand.
b. equal
c. more
a. Less
3. Area under the daily load curve divided by 24 hour gives daily
d. Non of them
a. average load in kW. b. maximum demand in kW. c. units generated in kwh. d. Non of them
4. In thermal power station, 5 kwh need to burn fuel has
a. 860 k.calorific. b. 1500 k.calorific c. 4300 k.calorific d. Non of them.
5. Francis and Kaplan turbines are used for... heads.
a. medium and high b. medium and low c. medium only.
d. High only
6. For photo voltage cell, Fill factor is
a.
Umpimp
Uscise
b.
Vscisc
Vmpimp
c. Vmpimp
d. Vscisc
7. Power available from wind mill is
a. PA V²
b.
-AV²
c. PA V³
d. pA V³
2p
"I need the solution along with proof of the
correct choice by the expert."
b. Less than 33Kv
c. Greater than 33Kv
stored as
Pick up the correct option for five only (with the solution if required).
1. Suspension insulator used for transmission and distribution of electric power at
a. Up to 33Kv
2. The excess energy from wind power turbine can be
chemical energy b. mechanical energy
3. Reaction turbines are used for
a. High heads
a.
b. medium heads
4. More efficient plants are used as
d. Not of all
c. compressed air d. All of them
c. low heads d. low and medium heads.
a. base load stations b. peak load stations c. Average load d. All of
them
5. Alignment of the blade angle with respect to the wind direction to get maximum wind
energy
can be achieved with the help of
a. Fixed gears
b. Yaw motor gear
6. For photo voltage cell, Fill factor using the data:
b. 0.59
c. 0.20
c. Control systems
d. Blades
P-15 W, V-18 V, I-4 A. is
d. 0.98
a. 0.65
7. A commercial load is connected to the grid…
Chapter 3 Solutions
EBK ELECTRICAL WIRING RESIDENTIAL
Ch. 3 - Prob. 1RCh. 3 - How are branch circuits rated? See NEC 210.3._____Ch. 3 - Prob. 3RCh. 3 - Prob. 4RCh. 3 - What spaces are not included in the floor area...Ch. 3 - What is the unit load per square foot for dwelling...Ch. 3 - According to NEC 210.50(C), a laundry equipment...Ch. 3 - How is the total load in volt-amperes for lighting...Ch. 3 - How is the total lighting load in amperes...Ch. 3 - How is the required number of branch circuits...
Ch. 3 - What is the minimum number of 15-ampere lighting...Ch. 3 - How many lighting branch circuits are provided in...Ch. 3 - Prob. 13RCh. 3 - How is the load determined for outlets supplying...Ch. 3 - What type of circuits must be provided for...Ch. 3 - Prob. 16RCh. 3 - In a single-family dwelling, how is overcurrent...Ch. 3 - Prob. 18RCh. 3 - The minimum number of outdoor receptacles for a...Ch. 3 - The Code indicates the rooms in a dwelling that...Ch. 3 - Prob. 21RCh. 3 - Prob. 22RCh. 3 - Prob. 23RCh. 3 - Prob. 24RCh. 3 - Prob. 25RCh. 3 - Although the Code contains many exceptions to the...Ch. 3 - The rating of a branch circuit is based on (Circle...Ch. 3 - a. A 25-ampere branch-circuit conductor is derated...Ch. 3 - Prob. 29RCh. 3 - Prob. 30RCh. 3 - Prob. 31RCh. 3 - Prob. 32RCh. 3 - A split-level home has one stairway that has six...Ch. 3 - Prob. 34RCh. 3 - Prob. 35RCh. 3 - Prob. 36RCh. 3 - In the past, it was common practice to connect the...Ch. 3 - If a residence has two bathrooms, the Code states:...Ch. 3 - Prob. 39RCh. 3 - Prob. 40RCh. 3 - Prob. 41RCh. 3 - Prob. 42RCh. 3 - Prob. 43R
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