Temperature Ranges and Drying Processes Quiz
12 Questions
0 Views

Choose a study mode

Play Quiz
Study Flashcards
Spaced Repetition
Chat to lesson

Podcast

Play an AI-generated podcast conversation about this lesson

Questions and Answers

What is the optimum range of temperature in a cold storage for fruits and vegetables?

  • -1.1°C to 10°C
  • 0°C to 100°C
  • 5°C to 100°C (correct)
  • 0°C to 120°C
  • Which type of dryer involves the product being dried moving in the same direction as the drying air?

  • Cross-flow type dryer
  • Concurrent-flow type dryer (correct)
  • All of the choices
  • Counter-flow type dryer
  • What is defined as the rate of the total heat utilized to vaporize moisture in the material being dried compared to the heat added to the drying air?

  • Thermal efficiency
  • All of the choices
  • Heat of vaporization efficiency (correct)
  • Dryer efficiency
  • Which term refers to the amount of moisture in grain expressed as a percentage of weight of dry matter?

    <p>Moisture content dry basis</p> Signup and view all the answers

    What is the heat loss per square foot of the 9-inch-thick wall of a brick kiln with outside and inside temperatures of 1500°F and 400°F, respectively?

    <p>246 BTU/hr-ft^2</p> Signup and view all the answers

    In a solar dryer, if four tons of paddy with 25% initial moisture content is dried to 15% moisture content, what is the amount of moisture removed?

    <p>471 kg</p> Signup and view all the answers

    In a two-ton mechanical dryer, paddy is dried from 24% to 14%. What is the final weight of the product after drying?

    <p>1,767.4 kg</p> Signup and view all the answers

    What is the drying capacity in kilograms per hour for a two-ton mechanical dryer that can dry paddy from 24% to 14% moisture content in 8 hours?

    <p>200 kg/hr</p> Signup and view all the answers

    What is the correct definition of the term 'field capacity' in soil science?

    <p>Moisture content after gravitational water has been removed</p> Signup and view all the answers

    In soil science, what is 'apparent specific gravity' defined as?

    <p>Apparent specific gravity</p> Signup and view all the answers

    What type of drainage system is characterized by laterals meeting the main line at only one side?

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

    According to the International Soil Science Society, which range correctly describes a soil particle classified as sand based on its diameter?

    <p>0.02 to 2 mm</p> Signup and view all the answers

    More Like This

    Temperature Ranges for Medical Applications
    40 questions
    Rail Temperature Ranges for Installation
    40 questions
    Microbial Growth Factors
    67 questions

    Microbial Growth Factors

    ManeuverableForgetMeNot2590 avatar
    ManeuverableForgetMeNot2590
    Use Quizgecko on...
    Browser
    Browser