External link to A cross-flow heat exchanger is to be designed which will cool 3 Ibm/sec of air from 2000P to 100°P’.
External link to 1. For surface 8.0-iT, if ‘lll = 0.60, what is ‘lll ? 2. What is a tube sheet?
Transmission electron microscope includes (a) Electron gun (c) Electromagentic lenses (b) Vacuum system (d) All of these Fritz Zernicke was awarded Nobel prize for making (a) Phase-contrast microscope (c) Bright-field microscope (b) Dark-field microscope (d) Fluorescent microscope Presence of capsule around the bacterial cells is generally viewed by (a) Negative stain (c) ZiehlNeelsen stain (b) Gram stain (d) SchaefferFulton stain
External link to Water is to be heated from 55° to 105°P at the rate of 275,000 gallhr in a single-pass shell-andtube
Vaccines are available for (a) Hepatitis A (c) Both of these (b) Hepatitis B (d) None of these Edward Jenner is associated with the following viral disease (a) Smallpox (c) Rabies (b) Polio (d) Chickenpox Vertical transmission of animal viruses takes place from (a) Respiratory route (c) Oralfaecal route (b) Sexual route (d) Mother to baby
External link to 1. Explain why fouling degrades U A. 2. Sketch a TEMA size 20-90 type BOD exchanger. 3. Is a surface
Microbes which love to grow at low temperature are (a) Mesophiles (c) Psychrophiles (b) Thermophiles (d) Neutrophiles Microaerophiles which need more carbon dioxide rather than less oxygen are called (a) Barophiles (c) Halophiles (b) Capnophiles (d) Osmophiles Peptones are enzymatic digest of (a) Meat (c) Casein (b) Soyameal (d) All the above
Why is the TCA cycle called an amphibolic cycle? Explain the principle of energy conservation. Bacteria can acquire antibiotic resistance by (a) Mutation (c) Insertion of transposons (b) Acquiring plasmids (d) All of the above Which of the following is a method of vertical gene transfer in prokaryotes? (a) Binary fission (c) Transduction (b) Conjugation (d) Transformation