“Fin is insulated at the tip”. What does that mean?

Less heat is transferred from the tip

Heat will transferred from tip only

More heat is transferred from the tip

No heat is transferred from the tip

Explore topic-wise MCQs in Heat Transfer Questions and Answers.

This section includes 2 Mcqs, each offering curated multiple-choice questions to sharpen your Heat Transfer Questions and Answers knowledge and support exam preparation. Choose a topic below to get started.

1.	An array of 10 fins of anodized aluminum (k = 180W/m K) is used to cool a transistor operating at a location where the ambient conditions correspond to temperature 35 degree Celsius and convective coefficient 12W/square m K. The distance AB is 3 mm, EF is 0.4 mm. The length of the fin is 5 mm and has its base at 60 degree Celsius. Find the power dissipated by the fin array?
A.	8.673W
B.	1.432W
C.	0.786W
D.	0.128W
Answer» D. 0.128W

Discussion

2.	“Fin is insulated at the tip”. What does that mean?
A.	Less heat is transferred from the tip
B.	Heat will transferred from tip only
C.	More heat is transferred from the tip
D.	No heat is transferred from the tip
Answer» E.

Discussion