Why the transformer is mostly used aboard the ship?

1865

---

Electrical symbol

2003

---

List the different devices and components of main switchboard.

2459

---

How do you detect earth by lam p?

1875

---

How do you reset the circuit breaker?

1969

---

What is the purpose of ventilation in the battery room?

1989

---

What are the usual checks when induction motor is running?

2072

---

Methods to dry up wet induction motors?

2034

---

The lowest allowable insulation resistance?

1923

---

What is space heater?

1851

---

What is hertz in electrical system?

2027

---

Draw a parallel circuit with one battery and two resistors. Derive the formula for resistance?

1895

---

Define earth lamp?

2031

---

What is the use of multi tester?

1916

---

"How to check the diode, fuse and bearer switch?"

2158

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