Bissoy.com
Login
Doctors
Medicines
MCQs
Q&A
Ask
Merit Test
Questions
Courses
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?
Ha = 0.8hL
Ha = 2hL
Ha = hL
Ha= 5hL
LohaHridoy
0
Edit
5
views
2025-01-04 04:42
1
Answers
AhmedNazir
Answer: Option 2
0
Thanks
5
views
Answered
2022-09-01 13:21
Report
Edit
Call
Related Questions
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
For a laminar flow of fluid in a circular tube, 'h₁' is the convective heat transfer co-efficient at velocity 'V₁'. If the velocity is reduced by half and assuming the fluid properties are constant, the new convective heat transfer co-efficient is?
1 Answers
8
Views
If h₁ = inner film co-efficient and /h₂ = outer film co-efficient, then the overall heat transfer co-efficient is?
1 Answers
10
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
For turbulent flow in a tube, the heat transfer co-efficient is obtained from the Dittus-Boelter correlation. If the tube diameter is halved and the flow rate is doubled, then the heat transfer co-efficient will change by a factor of?
1 Answers
6
Views
Convective heat transfer co-efficient in case of fluid flowing in tubes is not affected by the tube length/diameter ratio, if the flow is in the __________ zone.?
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
The sun is never overhead at any time in : I. North Temperate Zone II. South Temperate Zone III. North Frigid Zone IV. Torrid Zone?
1 Answers
4
Views
In these questions, the first and last sentences of the passage are numbered 1 and 6. The rest of the passage is split into four parts and named P, Q, R, and S. These four parts are not given in their proper order. Read the sentences carefully and find out the correct sequence of the sentences. S1: A gentleman who lived alone always had two plates placed on the table at dinner time. P : One day just as he sat down to dine, the cat rushed into the room. Q : One plate was for himself and the other was for his cat. R : she dropped a mouse into her own plate and another into her master plate. S : He used to give the cat a piece of meat from his own plate. S6: In this way, the cat showed her gratitude to her master.?
1 Answers
6
Views
কোরআন
হাদিস
চাকুরি প্রস্তুতি
বিশ্ববিদ্যালয় ভর্তি
মেডিকেল SBA
12
এইচএসসি
10
এসএসসি
8
জেএসসি
এক্সাম দিয়ে মেধা যাচাই করুন
Job Preparation (1125)
Admission (754)
এসএসসি (10)
এইচএসসি (5)
Login Required
You need to log in to continue.
Login
Cancel
Download Required
You need to download the app to make a call.
Download
Cancel