Is it all right to replace a fuse or circuit breaker with a larger one to prevent them from blowing or tripping?

In most cases the answer is no. They are designed to blow at certain levels to protect equipment and for fire safety.

Check your state and local codes before starting any project. Follow all safety precautions. Information in this document has been furnished by the North American Retail Hardware Association (NRHA) and associated contributors. Every effort has been made to ensure accuracy and safety. Neither NRHA, any contributor nor the retailer can be held responsible for damages or injuries resulting from the use of the information in this document.