Could you dress casually like hanging out with your friends in a job interview, or must you dress as someone presentable?
You must dress presentably for a job interview, or you are simply not one that will even be considered by the interviewer.
How should you talk to your interviewer?
Talk formally, minimalize slang.
Must you dress in the same types of attire for all jobs? (Tux. in McDonald's Inter. or Bus. Cas. at Office)
Yes, your attire must match the job you are pursuing.
How should you hand over the resume?
Set the resume between your interviewer and you where both of you could see it just as easily.
What is the article you present to your interviewer to display your assets and the summary about yourself?
A resume.
Is posture important?
Yes, as it is body language telling your interviewer whether you are paying attention or thinking of something else.
How should you act from when you left the house to the interview?
You have to act professional throughout your way to the interview, as there are likely to be people watching your behaviour.
When the interviewer ask you about how much you should be paid, how should you respond?
With a reasonably low amount, so as to compete with others applying for the job.
Could you be excused for being late to an interview?
No, effectively never, as that signifies that you have not been taking the interview seriously.
When should you decide to talk about the pay you would be receiving?
Only talk about it when the interviewer gets to that part.