Would a customer at self-serve buffet be allowed to reuse plate obtain additional servings from the only if he is getting same food as before?

Yes, customers at a self-serve buffet are typically allowed to reuse a plate to obtain additional servings of the same food items without any issues or extra charges.

Customers may refill their plates with the same selection they previously took during that same meal. Self-serve buffet are usually all-you-can eat. As long as customers adhere to any specific restaurant guidelines about using the same plate, reusing the plate for the the meal is generally acceptable and within the norms buffet dining.