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Questions and Answers
What is the optimum range of temperature in a cold storage for fruits and vegetables?
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?
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?
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?
Which term refers to the amount of moisture in grain expressed as a percentage of weight of dry matter?
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?
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?
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?
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?
In a two-ton mechanical dryer, paddy is dried from 24% to 14%. What is the final weight of the product after drying?
In a two-ton mechanical dryer, paddy is dried from 24% to 14%. What is the final weight of the product after drying?
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?
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?
What is the correct definition of the term 'field capacity' in soil science?
What is the correct definition of the term 'field capacity' in soil science?
In soil science, what is 'apparent specific gravity' defined as?
In soil science, what is 'apparent specific gravity' defined as?
What type of drainage system is characterized by laterals meeting the main line at only one side?
What type of drainage system is characterized by laterals meeting the main line at only one side?
According to the International Soil Science Society, which range correctly describes a soil particle classified as sand based on its diameter?
According to the International Soil Science Society, which range correctly describes a soil particle classified as sand based on its diameter?
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