L series MCBs can be used effectively in:

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ALP CBT 2 Electrician Previous Paper: Held on 23 Jan 2019 Shift 2
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  1. Capacitive circuit
  2. heating and lighting circuit
  3. Inductive circuit
  4. Inductive and lighting circuit

Answer (Detailed Solution Below)

Option 2 : heating and lighting circuit
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L series MCB: L series MCBs are designed to protect circuits with resistive loads. They are ideal for protection of heating equipment like geysers, ovens and general lighting systems.

G series MCB: G series MCBs are designed to protect circuits with inductive loads. These are suitable for protection of motors, air conditioners, hand tools, halogen lamps, etc.

DC series MCB: DC series MCBs are suitable for voltage up to 220 V DC and have a breaking capacity up to 6 kA. The tripping characteristics are similar to the L and G series. They find extensive application in DC controls, locomotives, diesel generator sets, etc.
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