# 15

Senior Maintenance Engineer interview questions shared by candidates

## Top Interview Questions

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Senior Maintenance Engineer was asked...2 June 2014

### Is 3,599 a prime number? Yes or No. Explain.

(N+A)(N-A)=N^2-A^2

3599 = 3600-1 = 60^2 - 1^2 This is known as "difference of two squares" Which factors into (60-1)*(60+1) Therefore factors are 59 and 61 A longer, more general method is to say that you only need to check primes less than the square root of 3599, which again because its 60^2 - 1 you can just try primes less than 60. Less

3600 = 60^2 Sqrt(3600 - 1) = 60 -/+ 1 &gt;&gt;&gt; 59 x 61

### The physical elememts of a Base Transciever Station

A breakdown of the various site elements and their functions

Base Traceiver Station is a piece of equipment that facilitates wireless communication between the user equipment and the network. BTS is composed of Tranceiver, power amplifier, combiner, multiplexer, alarm extension system, control function &amp; base receiver unit. Less

### Support questions were taken from real cases they've handled. I've seen most of the issues before, and was able to answer them immediately, others I had to google but quickly understood how to reply.

Some I answered outright, some I asked for more details, and some I replied echoing the issue to make sure I understood the problem. Less

### opinion over renewable energy sources like solar energy?

sir in India we receive more light than other countries being on tropical zone. except monsoon we get sunlight throughout a year and we have good open space too. we have good scope for sun power harvesting Less

### whats system you are familiar with?

iso 9001:2008 quality management system

Yes