PakQuizHub

Switchgear and Protection

Free 106+ Switchgear and Protection MCQs for PPSC, FPSC, NTS, and Pakistan government job tests. Practise below with answers and explanations.

106 MCQs availableFull MCQ list →Past Papers & Resources →
Switchgear and Protection — MCQs for Pakistan government job tests

About this subject

Switch gear and Protection

Practice questions

Showing page 1 of 6. Select an option to practise inline.

Open full list →

Correct options are highlighted when revealed.

1.What causes a fuse to blow?

2.Compared to a rewirable fuse, what advantages does an H.R.C. fuse offer?

3.Where is an isolator typically placed in relation to a circuit breaker?

4.Fuses are typically not employed for protection in circuits with current ratings exceeding which value?

5.Oil circuit breakers are primarily used in which type of electrical circuits?

6.What type of fault does a fuse in a motor circuit primarily protect against?

7.Which phenomenon caused by electric current is responsible for the operation of a fuse?

8.The rating of a fuse is specified based on which electrical parameter?

9.In which of the following is minimizing power loss a crucial design consideration?

10.What characteristics should the material of a fuse possess?

11.How is a fuse typically connected within an electrical circuit?

12.Which method helps enhance the steady-state stability of a power system?

13.What is the primary purpose of using series capacitors in an electrical line?

14.In an induction-type relay with a shaded pole design, how does the torque relate to the current?

15.What type of relay is an admittance relay classified as?

16.What is the typical operating time for air blast circuit breakers used in a 400 kV power system?

17.In direct current (D.C.) circuits, where is the fuse wire typically placed?

18.In which conductor is a fuse typically not installed?

19.What is the primary function of a switchgear device?

20.Which device supplies information to the circuit breaker during fault situations?

How to prepare with Switchgear and Protection MCQs

  • Work through questions topic by topic, then revisit any you answered incorrectly.
  • Read explanations carefully—they often cover facts that repeat across PPSC, FPSC, and NTS papers.
  • Pair subject practice with past papers to see how Switchgear and Protection appears in real exam conditions.

More on PakQuizHub