Heat Exchangers and Fluid Flow
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Questions and Answers

What is the effect of upward suction on a helicopter?

  • It is pushed downwards
  • It is pulled upwards
  • It is pushed upwards (correct)
  • It has no effect

    • What is the major similarity between a whale's body and a submarine?

  • Capacity
  • Colour
  • Shape of body (correct)
  • Speed

    • What is the term used to describe the study of marine and freshwater research projects?

  • Hydrography
  • Oceanography (correct)
  • Marinography
  • Windography

    • Who proposed the information theory in the communication industry?

    <p>Shannon</p> Signup and view all the answers

    What is the DNA backbone made up of outside the double helix?

    <p>Phosphate and sugar</p> Signup and view all the answers

    Which of the following is a purine nitrogenous base of DNA?

    <p>Guanine</p> Signup and view all the answers

    Who introduced the concept of DNA computing?

    <p>Adleman</p> Signup and view all the answers

    What does HDP stand for in the context of Adleman's article?

    <p>Hamiltonian directed path problem</p> Signup and view all the answers

    What problem did Adleman use to test his theory of DNA computing?

    <p>Traveling Salesman Problem (TSP)</p> Signup and view all the answers

    What is the limitation of DNA computing?

    <p>Time consuming laboratory procedures</p> Signup and view all the answers

    What is the science of using computational tools and systems to answer problems of biology?

    <p>Bioinformatics</p> Signup and view all the answers

    What is a disadvantage of using DNA strands for computing?

    <p>DNA is organic and decays</p> Signup and view all the answers

    What type of fluid flow occurs in a heat exchanger?

    <p>Counter current</p> Signup and view all the answers

    What is the purpose of a heat exchanger in a vehicle engine?

    <p>To prevent overheating</p> Signup and view all the answers

    How is the core body temperature of large fish and aquatic mammals maintained?

    <p>Counter current heat exchange</p> Signup and view all the answers

    What is a characteristic of the tuna fish?

    <p>Being warm-blooded like mammals</p> Signup and view all the answers

    What is the unique feature of DNA that makes it suitable for error corrections?

    <p>Complementarities</p> Signup and view all the answers

    Who drew the first aircraft design art?

    <p>Leonardo da Vinci</p> Signup and view all the answers

    What is the full form of SONAR?

    <p>Sound Navigation And Ranging</p> Signup and view all the answers

    What was the name of the Wright brothers' first flight?

    <p>Flyer 1</p> Signup and view all the answers

    Which of the following creatures use sound waves to locate objects?

    <p>Bats</p> Signup and view all the answers

    What is the primary mechanism by which bats sense their direction?

    <p>Echolocation</p> Signup and view all the answers

    What is the condition in which electrical impulses may be blocked along the pathway through the heart?

    <p>Heart block</p> Signup and view all the answers

    What is the primary component of a pacemaker system?

    <p>Pulse generator, leads</p> Signup and view all the answers

    What is the primary function of a sound processor in a cochlear implant?

    <p>To convert sound into digital code</p> Signup and view all the answers

    Who is a suitable candidate for a cochlear implant?

    <p>Someone with moderate hearing loss in both ears and little or no benefit from a hearing aid</p> Signup and view all the answers

    What is the primary benefit of a cochlear implant for a hearing-impaired person?

    <p>Ability to reconnect with missed sounds</p> Signup and view all the answers

    What is the term used to describe age-related loss of central vision?

    <p>Macular degeneration</p> Signup and view all the answers

    What is the Bionic eye used for?

    <p>To restore vision in people with certain types of blindness</p> Signup and view all the answers

    How many cochlear implant surgeries have been performed since 1972?

    <p>Over 250,000</p> Signup and view all the answers

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