Biotechnology
2022 · Paper 1
Take it one question at a time. Try an answer, then check your understanding.
Complete GATE BT 2022 Paper 1 overview, original pages and practice · Timed previous-paper practice
Questions 13–15 of 65. Imported answers require review unless explicitly marked reviewed.
Question 13
Open questionBTMCQ1 markNeeds review
For a double-pipe heat exchanger, the inside and outside heat transfer coefficients are 100 and 200 W m
K
, respectively. The thickness and thermal conductivity of the thin-walled inner pipe are 1 cm and 10 W m
K
, respectively. The value of the overall heat transfer coefficient is ________ W m
K
.Your answerChoose one option.
Log in to check the answer
You can attempt this question now. Sign in to view the answer key, explanations and discussion.Log in to check answerQuestion 14
Open questionBTMCQ1 markNeeds review
Match the media component (Column I) with its role (Column II).
Column I | Column II |
|---|---|
P. Sucrose | 1. Anti-foam agent |
Q. Zinc chloride | 2. Nitrogen source |
R. Ammonium sulphate | 3. Carbon source |
S. Silicone oil | 4. Trace element |
Your answerChoose one option.
Log in to check the answer
You can attempt this question now. Sign in to view the answer key, explanations and discussion.Log in to check answerQuestion 15
Open questionBTMCQ1 markNeeds review
The binding free energy of a ligand to its receptor protein is −11.5 kJ mol
at 300 K. What is the value of the equilibrium binding constant?Use R = 8.314 J mol
K
.Your answerChoose one option.
Log in to check the answer
You can attempt this question now. Sign in to view the answer key, explanations and discussion.Log in to check answer