In heating frozen foods in sealed pouches in a microwaves, why do you first poke holes in the pouch?
(A) To prevent the steam pressure from bursting open the pouch
(B) To allow the heat to get into the food through the hole
(C) To allow the microwaves to get into the food through the holes
(D) To allow the aroma of the food to come out through the holes
Correct Answer : To prevent the steam pressure from bursting open the pouch
Question Asked : SSC Combined Matric Level (Pre) Exam 2000
Explanation : Anything in a tight skin or shell can explode in a microwave because the water inside can expand and burst through. It is for this very reason that before micro-waving, the skin of potatoes should be pricked, winter squash and similar vegetables should be cut in half, eggs should be taken out of shells and holes should be poked in the plastic wrap or sealed pouches of frozen packaged foods.
....Read more
Useful Quotations for : UPSC, State PSC, IBPS, SSC, Railway, NDA, Police Exams
Like The Facebook Page
CurrentGK for
Current Affairs, Latest GK &
Employment News
Tags : Physics
