1. In two-stage dryer equipment, what is the temperature of the inlet gases on each stage from bottom?
a) 32 and 200 degrees
b) 200 and 32 degrees
c) 16 and 100 degrees
d) 100 and 16 degrees
Explanation: Because it is decided from laboratory testing.
2. What is the maximum water content of the outlet limestone in fluosolids driers fluidized by combustion gas?
a) Zero
b) 0.1%
c) 1%
d) 1.5%
Explanation: Based on the tabular content provided by Fluosolids driers.
3. What is the maximum water content of the outlet blast furnace slag in fluosolids driers fluidized by combustion gas?
a) 0.1-0.4%
b) 0.4-0.8%
c) 0.8-1.2%
d) 1.2-1.6%
Explanation: Based on the tabular content provided by Fluosolids driers.
4. What is the temperature of bed in fluosolids driers fluidized by combustion gas for limestone?
a) 94-107 degrees
b) 150-200 degrees
c) 60-65 degrees
d) None of the mentioned
Explanation: 94-107 degrees
5. What is the temperature of bed in fluosolids driers fluidized by combustion gas for blast furnace slag?
a) 94-105 degrees
b) 150-200 degrees
c) 60-65 degrees
d) None of the mentioned
Explanation: 94-105 degrees
6.What is the temperature of bed in fluosolids driers fluidized by combustion gas for coal??
a) 94-105 degrees
b) 150-200 degrees
c) 60-65 degrees
d) None of the mentioned
Explanation: 60-65 degrees
7. What is the maximum water content of coal in fluosolids driers fluidized by combustion gas??
a) 0.1-0.2%
b) Zero
c) 1-2%
d) None of the mentioned
Explanation: Based on the tabular content provided by Fluosolids driers
8. What is the main reason for using solid catalyst gas phase reactions in fluidized bed?
a) Temperature control
b) Increase desired product to side product
c) Reduction in hotspots of catalyst
d) All of the mentioned
Explanation: They are therefore useful for temperature control and other reasons.
9. Which kind of flow is preferred in the fluidized reactor for production of ethylene oxide?
a) Plug flow
b) Batch reactor
c) Mixed flow
d) Cross flow
Explanation: Because this allow maximum yield of the reaction intermediate.
10. Why is the boiling downtherm used to surround the long narrow tubes, in the fluidized bed for production of ethylene oxide?
a) Give good temperature control
b) Help in temperature fluctuations
c) Fasten the reaction process
d) None of the mentioned
Explanation: Because it acts as a coolant which helps in temperature control