What kind of questions do us consulate officers abroad ask when having the interview to see if you are elgible

Question

MY WIFE (IR1-STATUS) AND STEP KIDS (IR2-STATUS) JUST RECEIVED THE APPOINTMENT DATE TO PRESENT THEMSELVES TO US CONSULATE IN SOUTH AMERICA FOR INTERVIEW, WHAT KIND OF QUESTIONS DO IMMIGRACION OFFICERS ASK BEFORE DECIDING IF THEY ARE APPROVED FOR VISA OR NOT?

Answer 1

Consulate officers can ask any questions they desire. If your situation is legit, your wife and step-kids have nothing to worry about. The questions are just normal questions that don't require any studying for.