Reta Book 2 Chapter 1 /Questions And Answers Updated 2024

Reta Book 2 Chapter 1 /Questions And Answers
Updated 2024
Quiz :1- Which of the following factors below does not aff ect heat
transfer - Answer :Density.


Quiz :2-An example of a poor conductor of heat is. - Answer :Wood.


Quiz :3- Thermal conducti vity ('k') is - Answer :The number of BTUs
that will pass in one hour through a material 1'' thick with an area
1ft 2 if the temperature diff erence from one side to the other is 1'f


Quiz :4-Which is not a source of fouling of a heat exchanger surface -
Answer :Water.


Quiz :5- Which is a true statement - Answer :The higher the k factor
the greater the thermal conducti vity


Quiz :6- Opti mum U factor for the given material that the heat
exchanger is made of the results when - Answer :There is no
impeding substance such as ice dirt or oil on the surfaces of the heat
exchanger tubes.


Quiz :7- When air fl ow is decreased across a heat exchange
surface,cooling capacity is - Answer :Reduced


Quiz :8-Centrifugal fans have advantage over propeller fans in that
they............ than prop fans. - Answer :Are quieter