According to Newton's law of cooling, the heat transfer from a hot body to a cold body is

According to Newton's law of cooling, the heat transfer from a hot body to a cold body is Correct Answer Both (A) and (B)

Newton's law of cooling states that the rate of heat loss of a body is directly proportional to the difference in the temperatures between the body and its surroundings.
Bissoy MCQ

Related Questions

When heat is transferred from hot body to cold body, in a straight line, without affecting the intervening medium, it is referred as heat transfer by
The scales form in heat exchanges after a period of operation and provide additional resistance to heat transfer with some heat transfer coefficient . The reciprocal of this scale heat transfer coefficient is called .
Extended heat transfer surface like fins are used to increase the heat transfer rate. Fin efficiency is defined as the ratio of heat transferred across the fin surface to the theoretical heat transfer across an equal area held at the
In a heat exchanger, the rate of heat transfer from the hot fluid to the cold fluid
In convection heat transfer from hot flue gases to water tube, even though flow may be turbulent, a laminar flow region (boundary layer of film) exists close to the tube. The heat transfer through this film takes place by
When heat is transferred from one particle of hot body to another by actual motion of the heated particles, it is referred to as heat transfer by
For shell and tube heat exchanger, with increasing heat transfer area, the purchased cost per unit heat transfer area
Stress may be expressed in Newtons
The initial tension (in newtons) in a bolt used for making a fluid tight joint like steam engine cover joints, is calculated by the relation (where d = Nominal diameter of bolt in mm)
Air is to be heated by condensing steam. Two heat exchangers are available (i) a shell and tube heat exchanger and (ii) a finned tube heat exchanger. Tube side heat transfer area are equal in both the cases. The recommended arrangement is