The unit of overall coefficient of heat transfer is?

kcal/m²
kcal/hr °C
kcal/m² hr °C
kcal/m hr °C

LohaHridoy

4 views

2025-01-04 04:42

1 Answers

AhmedNazir

Answer: Option 3

kilocalorie per hour per square meter per degree Celsius (kcal/h·m²·°С) is a metric unit of the heat transfer coefficient. The heat transfer coefficient has SI units in watts per squared meter kelvin: W/(m2K). Heat transfer coefficient is the inverse of thermal insulance.

4 views Answered 2022-09-01 13:21

Related Questions

The concept of overall coefficient of heat transfer is used in case of heat transfer by?

1 Answers 5 Views

The concept of overall coefficient of heat transfer is used in heat transfer problems of?

1 Answers 5 Views

A heat exchanger with heat transfer surface area A and overall heat transfer coefficient U handles two fluids of heat capacities Cmax and Cmin. The number of transfer units (NTU) used in the analysis of heat exchanger is specified as?

1 Answers 7 Views

A cube at high temperature is immersed in a constant temperature bath. It loses heat from its top, bottom and side surfaces with heat transfer coefficients of h₁, h₂ and h₃ respectively. The average heat transfer coefficient for the cube is?

1 Answers 32 Views

If average heat transfer co-efficient is ha and the local coefficient at the end of the plate is hl then in case of heat transfer to a fluid flowing over a flat plate, heated over its entire length?

1 Answers 5 Views

Heat transfer by conduction results due to the transfer of free electrons, kinetic energy & vibrational energy from one molecule to another. Conduction heat transfer can not take place?

1 Answers 12 Views

The average heat transfer co-efficient over the entire length of the plate (ha) and the local heat transfer co-efficient (hL), in case of heat transfer over a flat plate in lminar zone is related as?

1 Answers 5 Views

The rate of heat transfer is a product of overall heat transfer co-efficient, the difference in temperature and the?

1 Answers 4 Views

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?

1 Answers 5 Views

For shell and tube heat exchanger, with increasing heat transfer area, the purchased cost per unit heat transfer area?

1 Answers 5 Views

এক্সাম দিয়ে মেধা যাচাই করুন

Job Preparation (1125)

Admission (754)

এসএসসি (10)

এইচএসসি (5)