Old question paper of ONGC

Tell me from where I can get Oil and Natural Gas Corporation Limited GT Electronics Engineering subject model question paper for getting idea about question asked???

[Shaleen]

As you need Oil and Natural Gas Corporation Limited GT Electronics Engineering subject model question paper, here I am giving:

1 . Two coils in differential connection hav e self-inductance of 2 mH and 4 mH and a mutual inductance of
0.1 5 mH. The equiv alent inductance of the combination is
A. 5.7 mH
B. 5.85 mH
C. 6 mH
D. 6.1 5 mH.

2. Two point charges Q and -Q are located on two opposite corners of a square as shown in figure. If the
potential at the corner A is taken as 1 V, then the potential at B, the centre of the square will be
1. zero
2.
3. 1 V
4.

3. Optocouplers combine
A. SITs and BJTs
B. IGBTs and MOSFETS
C. Power transformers and silicon transistor
D. Infrared light-emitting diode and a silicon phototransistor

4. The difference between the indicated v alue and the true v alue of a quantity is known as
A. Gross error
B. Absolute error
C. Dy namic error
D. Relativ e error

5. The principles of homogeneity and super-position are applied to :
A. linear time v ariant sy stems
B. non-linear time v ariant sy stems
C. linear time inv ariant sy stems
D. non-linear time inv ariant sy stems.

For detailed paper, here is attachment;