Polaris Placement Paper II

The test was for one hr.– 40 technical questions (electrical) for 1/2 hr. and 30 aptitude questions (1/2 hr.)

Technical questions:

What is motor is used in ceiling fan & washing m/cs
In electric traction
what is 8255
8085 has ___ address and ___ data lines
8051 is a ____ bit microcontroller (ans:8 bit)
74LS244 is _____
Bucholz relay is used for _____ protection (transformer)
Transmission line parameters are called ____
No. of poles and freq given find speed

Polaris Placement Paper I

Polaris Placement Paper Technical, Aptitude Questions 2011

Technical Section: 40 Questions in 30 Minutes

It covered basics of almost all ECE subjects like about Transistors, Digital & Microprocessors, Communication, Microwave etc, but Questions were only basics nothing in deep and all questions had choices.
1. Questions about Transistor basic working.
2. Boolean expression was given for simplification-simple.
3. How many flags does 8085 have? (ans-5)
4. Which of the following are universal gates?
(Ans. Nand, Nor)
5. What is the frequency range of mobile communication?