Heat sensitive materials like certain pharmaceuticals and food stuffs can be dried in a/an __________ dryer. (A) Indirect tray (B) Spray (C) Freeze (D) None of these

Heat sensitive materials like certain pharmaceuticals and food stuffs can

be dried in a/an __________ dryer.

(A) Indirect tray

(B) Spray

(C) Freeze

(D) None of these

by

1 Answer

Answer :

(C) Freeze

by

Related questions

Milk is dried usually in a __________ dryer. (A) Freeze (B) Spray (C) Tray (D) Rotary

Description : Milk is dried usually in a __________ dryer. (A) Freeze (B) Spray (C) Tray (D) Rotary

Last Answer : (B) Spray

Dried finished product sampled from various parts of a __________ dryer exhibits non-uniformity in the moisture content. (A) Rotary (B) Tray (C) Freeze (D) None of these

Description : Dried finished product sampled from various parts of a __________ dryer exhibits non-uniformity in the moisture content. (A) Rotary (B) Tray (C) Freeze (D) None of these

Last Answer : (B) Tray

Large quantity of silica gel is normally dried in a __________ dryer. (A) Freeze (B) Through circulation (C) Rotary vacuum (D) Tray

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Last Answer : (B) Through circulation

Refractory bricks are usually dried in a __________ dryer. (A) Tray (B) Tunnel (C) Conveyor (D) Festoon

Description : Refractory bricks are usually dried in a __________ dryer. (A) Tray (B) Tunnel (C) Conveyor (D) Festoon

Last Answer : (B) Tunnel

Sticky material can be dried in a __________ dryer. (A) Tray (B) Rotary (C) Fluidised bed (D) None of these

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Calcium ammonium nitrate (a fertiliser) is dried in a __________ dryer. (A) Rotary (B) Vacuum (C) Tunnel (D) Tray

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Detergent solution is dried to a powder in a (A) Spray dryer (B) Spouted bed dryer

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A slurry is to be dried to produce flaky solid. Which dryer would you recommend? (A) Spray dryer (B) Drum dryer (C) Rotary dryer (D) Dielectric drye

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Last Answer : (A) Spray dryer

The most common drying method is ____ drying. a. freeze- c. spray b. sun or tray drying d. oven

Description : The most common drying method is ____ drying. a. freeze- c. spray b. sun or tray drying d. oven

Last Answer : c. spray

Free flowing granular materials can be best dried in a __________ drier. (A) Rotary (B) Cylinder (C) Drum (D) Freeze

Description : Free flowing granular materials can be best dried in a __________ drier. (A) Rotary (B) Cylinder (C) Drum (D) Freeze

Last Answer : (A) Rotary

For continuous drying of granular or crystalline material, the dryer used is the __________ dryer.(A) Tunnel (B) Tray (C) Rotary (D) None of these

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Drying of refractory is normally carried out in a __________ dryer. (A) Open pan (B) Tray (C) Rotary vacuum (D) Truck/tunnel

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Last Answer : (D) Truck/tunnel

Large scale drying of sugar is done in a __________ dryer. (A) Spouted bed (B) Tray (C) Rotary (D) Truck

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Large scale drying of wheat is done in a __________ dryer. (A) Fluidised bed (B) Spouted bed (C) Tray (D) Vacuum rotary

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. __________ column is preferred to be used, when a high liquid hold up is required in a reactor for gas-liquid reaction. (A) Packed (B) Bubble (C) Spray (D) Tray

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Last Answer : (B) Bubble

When a high liquid hold up is required in a reactor for gas liquid reaction, use __________ column. (A) Packed (B) Spray (C) Tray (D) Bubble

Description : When a high liquid hold up is required in a reactor for gas liquid reaction, use __________ column. (A) Packed (B) Spray (C) Tray (D) Bubble

Last Answer : (D) Bubble

In paper industry, paper is dried in a __________ dryer. (A) Tunnel (B) Heated cylinder (C) Conveyor (D) Festoon

Description : In paper industry, paper is dried in a __________ dryer. (A) Tunnel (B) Heated cylinder (C) Conveyor (D) Festoon

Last Answer : (B) Heated cylinder

n a chemical factory where dyes are made, wet cake at 30 OC consisting of 60% moisture is put in a dryer to obtain an output having only 5% moisture, at atmospheric pressure. In each batch about 120 kgs of material is dried. a. The quantity of moisture removed per batch. b. What is the total quantity ( sensible & latent) of heat required to evaporate the moisture, if the latent heat of water is 540 kcal/kg at atmospheric conditions, Ignore heat absorbed by the solids c. Find the quantity of steam required for the drying process (per batch), if steam at 4 kg/cm2 is used for generating hot air in the dryer and the dryer efficiency is 80%. Latent heat of steam at 4 kg/cm2 is 520 kcal/kg.

Description : n a chemical factory where dyes are made, wet cake at 30 OC consisting of 60% moisture  is put in a dryer to obtain an output having only 5% moisture, at atmospheric pressure. In  each batch about 120 ... dryer and the dryer efficiency  is 80%. Latent heat of steam at 4 kg/cm2 is 520 kcal/kg.

Last Answer : Given that   Qty of material dried per batch - 120 Kgs  Moisture at inlet - 60% a. The quantity of moisture removed per batch.  Water quantity in a wet batch - 120 x 0.6 = 72 Kgs.  Quantity of bone dry ... - 48/0.95 = 50.5 Kgs.  Equivalent water in a dry batch - 50.5 - 48 = 2.5 Kgs.

For achieving rapid drying rate in a spray dryer, the diameter of the particles in the feed should be in the range of __________ microns (1 mm = 1000 microns). (A) 1-5 (B) 10-60 (C) 200-300

Description : For achieving rapid drying rate in a spray dryer, the diameter of the particles in the feed should be in the range of __________ microns (1 mm = 1000 microns). (A) 1-5 (B) 10-60 (C) 200-300

Last Answer : (B) 10-60

Which of the following equipments is not used for gas dispersion? (A) Agitated vessels (B) Bubble cap tray towers (C) Perforated sieve tray towers (D) Spray towers

Description : Which of the following equipments is not used for gas dispersion? (A) Agitated vessels (B) Bubble cap tray towers (C) Perforated sieve tray towers (D) Spray towers

Last Answer : (D) Spray towers

Which of the following is not a continuous drier? (A) Drum drier (B) Spray drier (C) Tunnel drier (D) Tray drier

Description : Which of the following is not a continuous drier? (A) Drum drier (B) Spray drier (C) Tunnel drier (D) Tray drier

Last Answer : (D) Tray drier

Draw symbol of (i) Tray Dryer (ii) Plate column (iii) Packed column (iv) Jaw crusher (v) Strirrer (vi) Ball mill.

Description : Draw symbol of (i) Tray Dryer (ii) Plate column (iii) Packed column (iv) Jaw crusher (v) Strirrer (vi) Ball mill.

Last Answer : i)Tray dryer:   ii)Plate column:    iii)Packed column:   iv) Jaw crusher:   v) Stirrer:   vi) Ball mill  

Explain construction and application of tray dryer.

Description : Explain construction and application of tray dryer.

Last Answer : Construction of tray dryer.   The simplest form of dryer , the source of heat ( electric heater or steam coil) is at floor level & relies on natural convection. Therefore no efficient ... of crude drugs 2)For chemicals 3)For powders 4)For Granules used in tablet manufacturing 

Sand is dried in foundries in a _________drier. (A) Rotary (B) Fluidised bed (C) Vacuum (D) Spray

Description : Sand is dried in foundries in a _________drier. (A) Rotary (B) Fluidised bed (C) Vacuum (D) Spray

Last Answer : (B) Fluidised bed

Spray dryer for evaporating milk to produce milk powder is made of (A) Lead lined steel (B) Stainless steel (C) Aluminium (D) Cast iron

Description : Spray dryer for evaporating milk to produce milk powder is made of (A) Lead lined steel (B) Stainless steel (C) Aluminium (D) Cast iron

Last Answer : (B) Stainless steel

The daily total body water derived from oxidation of food stuffs is about (A) 100 ml (B) 300 ml (C) 600 ml (D) 1000 ml

Description : The daily total body water derived from oxidation of food stuffs is about (A) 100 ml (B) 300 ml (C) 600 ml (D) 1000 ml

Last Answer : Answer : B

How dehydration helps in the preservation of food? (a) Growth of micro-organism is checked (b) Nutrients are concentrated (c) Surface of food stuffs becomes hard (d) Chemical reactions stop in the absence of water

Description : How dehydration helps in the preservation of food? (a) Growth of micro-organism is checked (b) Nutrients are concentrated (c) Surface of food stuffs becomes hard (d) Chemical reactions stop in the absence of water

Last Answer : Ans:(a)

Which one of the following food-stuffs of the same quantity possesses the highest calorific value? (1) Butter (2) Apple (3) Cheese (4) Sugar

Description : Which one of the following food-stuffs of the same quantity possesses the highest calorific value? (1) Butter (2) Apple (3) Cheese (4) Sugar

Last Answer : (1) Butter Explanation: Calorific value refers to calories or thermal units contained in one unit of a substance and released when the substance is burned. Fats have higher calorific value than other food items. The ... items (per 100 gram) are: Butter: 740; Cheese: 310; Sugar: 405; and Apple: 45.

Which food stuffs contain cholesterol?

Description : Which food stuffs contain cholesterol?

Last Answer : Non-vegetarian food.

Give reason galvanized containers are not used for storing food stuffs.

Description : Give reason galvanized containers are not used for storing food stuffs.

Last Answer : Galvanized container contains zinc coating. Since Zn is more active metal it readily reacts with the acids present in the food stuffs forming Zn compounds which are highly poisonous & it may poison the food stuffs. Therefore galvanized containers can not be used for storing food stuff.

Which of the following describes the major difference between bryophytes (pron: bry-oh-fites) and tracheophytes (pron: tray-key-o-fites)? a) tracheophytes can survive on land b) tracheophytes have seeds inside fruits c) tracheophytes can make their own food d) tracheophytes have vessels to transport materials

Description : Which of the following describes the major difference between bryophytes (pron: bry-oh-fites) and tracheophytes (pron: tray-key-o-fites)? a) tracheophytes can survive on land b) ... inside fruits c) tracheophytes can make their own food d) tracheophytes have vessels to transport materials 

Last Answer : ANSWER: D -- TRACHEOPHYTES HAVE VESSELS TO TRANSPORT MATERIALS 

Why are clean clothes scratchy, and air dried clothes scratchier and stiffer than those dried in the dryer?

Description : Why are clean clothes scratchy, and air dried clothes scratchier and stiffer than those dried in the dryer?

Last Answer : answer:What exactly do you mean by “scratchy”? I think it has to do with wet clothes holding creases in the fabric together. When the clothes dry, the creases remain, making your clothes appear “stiff”. I’ve had this happen to me before.

Is there a reason why your pants feel tighter after you've dried them in the dryer?

Description : Is there a reason why your pants feel tighter after you've dried them in the dryer?

Last Answer : They get smaller right? Same with shirts…I think…Not really sure GQ :)

Heat sensitive materials with very high latent heat of vaporisation may be economically separated using (A) Liquid extraction (B) Distillation (C) Evaporation (D) Absorption

Description : Heat sensitive materials with very high latent heat of vaporisation may be economically separated using (A) Liquid extraction (B) Distillation (C) Evaporation (D) Absorption

Last Answer : (A) Liquid extraction

Molecular distillation is (A) High temperature distillation (B) For heat-sensitive materials (C) Very low pressure distillation (D) Both (B) and (C)

Description : Molecular distillation is (A) High temperature distillation (B) For heat-sensitive materials (C) Very low pressure distillation (D) Both (B) and (C)

Last Answer : (D) Both (B) and (C)

High pressure at the bottom of a distillation tower handling heat sensitive materials results in (A) Thermal decomposition of bottoms (B) Increased relative volatility (C) Erosion of the tower (D) Very efficient operation

Description : High pressure at the bottom of a distillation tower handling heat sensitive materials results in (A) Thermal decomposition of bottoms (B) Increased relative volatility (C) Erosion of the tower (D) Very efficient operation

Last Answer : (A) Thermal decomposition of bottoms

Vacuum is generally maintained in the vapour space of an evaporator mainly to (A) Get economical temperature difference by using moderate pressure steam (B) Facilitate forward feeding in multiple effect evaporation (C) Concentrate heat sensitive materials (D) Achieve very high concentration of the final product

Description : Vacuum is generally maintained in the vapour space of an evaporator mainly to (A) Get economical temperature difference by using moderate pressure steam (B) Facilitate forward ... (C) Concentrate heat sensitive materials (D) Achieve very high concentration of the final product

Last Answer : (A) Get economical temperature difference by using moderate pressure steam

Pick out the wrong statement: (A) The capacity of an evaporator is reduced by the boiling point elevation (B) Corrosive liquid is normally passed through the tubes in a shell and tube heat exchanger (C) Steam jet ejector is used for vapor compression in a thermal recompression evaporator (D) Heat sensitive materials should be concentrated in high pressure evaporators

Description : Pick out the wrong statement: (A) The capacity of an evaporator is reduced by the boiling point elevation (B) Corrosive liquid is normally passed through the tubes in a ... recompression evaporator (D) Heat sensitive materials should be concentrated in high pressure evaporators

Last Answer : (D) Heat sensitive materials should be concentrated in high pressure evaporators

Heat sensitive materials can be concentrated in an evaporator employing (A) Vacuum (B) High pressure (C) High residence time (D) None of these

Description : Heat sensitive materials can be concentrated in an evaporator employing (A) Vacuum (B) High pressure (C) High residence time (D) None of these

Last Answer : (A) Vacuum

Heat sensitive materials can be concentrated in an evaporator employing (A) Vacuum (B) High pressure (C) High residence time (D) None of these

Description : Heat sensitive materials can be concentrated in an evaporator employing (A) Vacuum (B) High pressure (C) High residence time (D) None of these

Last Answer : (A) Vacuum

Glycerine is not used in the (A) Manufacture of explosive (B) Conditioning and humidification of tobacco (C) Manufacture of pharmaceuticals (D) None of these

Description : Glycerine is not used in the (A) Manufacture of explosive (B) Conditioning and humidification of tobacco (C) Manufacture of pharmaceuticals (D) None of these

Last Answer : (D) None of these

Which of the following is the simplest method of cooling the condenser water? • Spray cooling pond • Cooling tower • Indirect air cooling • Hyperbolic cooling tower

Description : Which of the following is the simplest method of cooling the condenser water? • Spray cooling pond • Cooling tower • Indirect air cooling • Hyperbolic cooling tower

Last Answer : Spray cooling pond

Which of the following is the simplest method of cooling the condenser water? a. Spray cooling pond b. Cooling tower c. Indirect air cooling d. Hyperbolic air cooling

Description : Which of the following is the simplest method of cooling the condenser water? a. Spray cooling pond b. Cooling tower c. Indirect air cooling d. Hyperbolic air cooling

Last Answer : a. Spray cooling pond

Which of the following is the simplest method of cooling the condenser water? A] Spray cooling pond B] Cooling tower C] Indirect air cooling D] Hyperbolic cooling tower

Description : Which of the following is the simplest method of cooling the condenser water? A] Spray cooling pond B] Cooling tower C] Indirect air cooling D] Hyperbolic cooling tower

Last Answer : A] Spray cooling pond

Can I eat survival freeze dried meals regularly?

Description : Can I eat survival freeze dried meals regularly?

Last Answer : You ought to see if the programs you are on will support you consulting with a nutritionist.

Is it possible to have soft human tissue freeze dried and bronzed?

Description : Is it possible to have soft human tissue freeze dried and bronzed?

Last Answer : I have no clue, but wanted to send you speedy-recovery thoughts. And if you do get that thing bronzed, we will want pictures! :)

Which one of the following is the commonly used bulking agent in the formulation of freeze dried low dose drug products? (A) Sodium chloride (B) Mannitol (C) Starch (D) HPMC

Description : Which one of the following is the commonly used bulking agent in the formulation of freeze dried low dose drug products? (A) Sodium chloride (B) Mannitol (C) Starch (D) HPMC

Last Answer : (B) Mannitol

What's the best, affordable, freeze dryer?

Description : What's the best, affordable, freeze dryer?

Last Answer : A home freeze dry system will run you around $1000 minimum. You can read up on alternative ways to freeze dry at home at http://www.i4at.org/surv/freeze.htm.

Discuss working of freeze dryer.

Description : Discuss working of freeze dryer.

Last Answer : Working: steps involved in freeze drying are 1. Pre-treatment: Solution is concentrated in normal vacuum tray dryer before introducing in the chamber this reduces drying by 8-10 times. 2. ... under aseptic conditions. Containers are labeled and packed in card-board boxes.after drying.