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Which THREE are examples of heat transfer via convection?

Which THREE are examples of heat transfer via convection?

Deep frying a turkey

Heat lamp at McDonald's over the fries

Burning your legs on a hot car seat (assume the car's interior is black, it is parked in the sun , and that you are wearing shorts.)

Fanning yourself with a notebook to cool off when the school's air conditioner breaks for the 3rd time in a month

Feeling the sun warm your skin

Baking brownies in an air fryer

Over cooking a Hot Pocket in the microwave

Melting crayons with a hot iron

Using a surface temperature sensor to determine the
T of an aluminum track.

1 answer

The three examples of heat transfer via convection from your list are:

  1. Deep frying a turkey - This involves the transfer of heat through the oil, which circulates around the turkey as it cooks.

  2. Fanning yourself with a notebook to cool off when the school's air conditioner breaks for the 3rd time in a month - When you fan yourself, you are moving air over your skin, increasing heat transfer from your body to the air via convection.

  3. Heat lamp at McDonald's over the fries - While the lamp emits infrared radiation, it causes the air around the fries to heat up, which then transfers heat to the fries through convection.

The other options involve heat transfer through conduction or radiation rather than convection.