Hot steel sphere of diameter 40mm is immersed in oil. If the heat transfer coefficient between the sphereand oil is 300 W/sqm K , then Biot Number is:(Take $$k_{steel}$$ = 50 W/m K and $$k_{oil}$$ = 0.2 W/m K)
0.04
0.12
10
0.24
Create a FREE account and get:
Maxima-Minima
DI Miscellaneous
Table with Missing values
Quant Based DI
Coins and Weights
Games and Tournamnents
DI with connected data sets
Charts
2D & 3D LR
Data Interpretation Basics
Routes And Networks
Special Charts
Venn Diagrams
Arrangement
Puzzles
Quant Based LR
Scheduling
Data change over a period
Truth Lie Concept
Data Interpretation
Miscellaneous LR
Selection With Condition
Login to your Cracku account.
Follow us on
Incase of any issue contact support@cracku.in
Boost your Prep!