Yes.
Well, Canola oil is vegetable oil, but it will work just fine for the cake.
yes you can
No it will not taste the same.Yes. Canola oil is a type of vegetable oil.Depending on what you're making, canola oil can be substituted for vegetable oil. Canola oil is also healthier than vegetable oil and has no noticable taste differences.
Yes
Vegetable, peanut, or canola oils are the best (you can choose based on allergy / dietary restrictions, availablity, or affordability).
Yes, in some cake recipes, canola oil can be substituted for shortening.
yes.
most any other oil will do. FIrst choices i would say for a sub would be corn, canola , peanut and pure olive. I bake only with pure olive oil no matter what,
Vegetable oil
Vegetable oil can be made out of several different plants, including soybean, peanuts, canola, and sunflower. So while all sunflower oil is vegetable oil, not all vegetable oil is sunflower oil.
http://www.webmd.com/food-recipes/canola-oil