Lecture 3 Flashcards

(18 cards)

1
Q

What is the air delivery of a 1200 mm Capacitor AC fan?

A

215 square meter/minute

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2
Q

How many 15A sockets are typically found in a bedroom?

A

1

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3
Q

What is the maximum current that the conductor must carry in Example 1?

A

60 amperes

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4
Q

Fill in the blank: The total ampere-meter in the circuit is calculated as maximum current of the circuit multiplied by the _______.

A

length of the circuit cable

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5
Q

What is the declared supply voltage in Example 1?

A

240 volts

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6
Q

What is the permissible voltage drop calculated in Example 1?

A

5.8 V

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7
Q

How do you calculate the ampere-meters per volt of permissible drop?

A

Total ampere-meter divided by permissible voltage drop

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8
Q

What is the voltage drop caused by the cable in Example 1?

A

4.88V

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9
Q

How would you determine the size of cable used for a sub-circuit (light)?

A

By calculating based on the supply voltage and power rating, e.g., 800W

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10
Q

List the components included in the layout for internal wiring estimation.

A
  • Energy meter
  • Switches and Sockets
  • Height and size of lamps
  • Dinning room
  • Bedroom light
  • Kitchen light
  • Bathroom light
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11
Q

What is the number of socket outlets typically found in a living room?

A

2 to 3

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12
Q

What is the air delivery of a 1500 mm Capacitor AC fan?

A

300 square meter/minute

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13
Q

True or False: The maximum current of 60 amperes is used to determine the size of a two-core cable.

A

True

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14
Q

What is the minimum size needed for a conductor based on current carry capacity and voltage drop?

A

It depends on the specific parameters of the circuit

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15
Q

Fill in the blank: The number of socket outlets in the kitchen is ______.

A

1

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16
Q

What is the air delivery of a 1400 mm Capacitor AC fan?

A

270 square meter/minute

17
Q

How many 15A sockets are typically found in the kitchen?

18
Q

What is the range of socket outlets in a dining area?