If you are doing a diploma on a full-time basis, you may be eligible. However conditions may apply.
Yes, usually a student is denied for a specific reason, however if that problem can be rectified ASAP, there is a high possibility that your visa will be granted. N.B. Beer in mind that a US visa is not entitled to any non US citizen. Having a visa granted is a PRIVILEGE and not a RIGHT!!!
No you can leave as soon as your visa has been granted/issued and collected!
Yes… However the main purpose of the program is for cultural exchange, therefore it is not encouraged to preoccupy your time with so much work, whereby you are not capable of participating in cultural activities.
Yes, read the brochure/booklet given at the embassy on the date of your interview!
Yes and No, it depends upon the contractual agreement between your employer and your sponsor pertaining to the job!