List the precautions to be taken while using hot air oven.

List the precautions to be taken while using hot air oven.
by

1 Answer

Answer :

1. Glass apparatus and equipment should be wrapped individually.

2. Articles should be placed in such away that they should not interfere with air flow

3. Once in operation oven should not be open

4. Proper biological indicators should be used

5. Thermolabile substance should never be sterilized in hot air oven.

6. It should never be over loaded.
by

Related questions

Write the precautions to be taken while placing the material in hot air oven

Description : Write the precautions to be taken while placing the material in hot air oven

Last Answer : 1. It should be filled to its capacity only should not be overloaded. 2. Glass apparatus and equipment should be wrapped individually. 3. Articles should be placed in such a way that ... Proper biological indicators should be used 7. Thermolabile substance should not be sterilized in hot air oven

Mention precautions to be taken while using of eye drop.

Description : Mention precautions to be taken while using of eye drop. 

Last Answer : Do not touch the tip of the dropper. Never rinse the dropper. Never use eye drop that have changed colour. After instillation of drop, do not close eyes tightly or blink more than usual. Discard the content after one month of use.  

Give any four precautions to be taken during aseptic work.

Description : Give any four precautions to be taken during aseptic work.

Last Answer : i. Self hygiene: avoid coughing, sneezing.  ii. Avoid contamination of products.  iii. Cover the whole body by Wear complete body suit up to foot.  iv. Wear hand gloves.  v. Allow minimum persons to work in aseptic area.  vi. Don’t touch unnecessarily.

List out the precautions to be taken while charging of lead- acid battery

Description : List out the precautions to be taken while charging of lead- acid battery 

Last Answer : precautions to be taken while charging of lead- acid battery: 1) Never keep the battery in the circuit and connect for external charging if it is not designed so. 2) While disconnecting / removing a ... tools etc on batteries. 10) Do not splash any liquids on the batteries, near the charger etc.

Draw a well labelled diagram of ‘Soxhlet apparatus.’ Mention the various limitations of continuous hot percolation process.

Description : Draw a well labelled diagram of ‘Soxhlet apparatus.’ Mention the various limitations of continuous hot percolation process. 

Last Answer : Limitation: 1. Physical character of the drug: If the drug would block the soxhlet apparatus then this process cannot be used for extraction. Eg opium. Gum, resin, ... for drugs having thermolabile active constituents such as enzymes, alkaloids, anthraquinone derivatives, esters, etc. 

Draw a labelled diagram of apparatus used for continuous hot extraction process. Mention limitations of the process.

Description : Draw a labelled diagram of apparatus used for continuous hot extraction process. Mention limitations of the process.

Last Answer : Diagram: Limitations: process cannot be used in following conditions.  Physical character of the drug: Drugs which may block the apparatus such as opium, gums, resins, etc cannot ... process. Chemical constituents: Unsuitable for thermolabile drugs, such as enzymes, alkaloids, etc

Explain the method of hot percolation process with well labelled diagram and write its limitations.

Description : Explain the method of hot percolation process with well labelled diagram and write its limitations.

Last Answer : Diagram: Procedure :  1) The menstrum is placed in a round bottom flask. 2) The drug to be extracted is packed in a filter paper and placed in the body ... is unsuitable for drugs having thermolabile active constituents such as enzymes, alkaloids, anthraquinone derivatives, esters, etc.

What are the precautions to be taken while using coolant ?

Description : What are the precautions to be taken while using coolant ?

Last Answer : : ( 1) The oil water ratio of soluble oil cutting fluid has to be checked from time to time and when water evaporates, the amount of water decreases. In such cases, the ratio of coolant ... job-material. (5) Cutting fluids used for ferrous metals should not be used in nonferrous metal machining.

Precautions to be taken while using cooking gas cylinders?

Description : Precautions to be taken while using cooking gas cylinders?

Last Answer : • Never leave cooking unattended • Never get distracted • Never allowed a child to cook without adult supervision • Keep the flame from extending past the pot ideas • Turn pot handles away from the stove edge • Keep stoves and cook tops free of grease and fat build-up

Write any two precautions to be taken while using planimeter.

Description : Write any two precautions to be taken while using planimeter. 

Last Answer : 1. Set the anchor point inside or outside the figure depending on size of figure. If the area is very large ,it can be divided into number of sections. 2. The value of C ( ... moved preciously over the boundary of figure. 3. Operating manual shall be referred before operating different functions

State any four precautions to be taken while using an Ammeter and Voltmeter.

Description : State any four precautions to be taken while using an Ammeter and Voltmeter. 

Last Answer : Precautions to be taken while using Ammeters: Ammeters are to be connected in series of circuits. 1. While connecting ammeters across emf source always a series resistance should be used. This ... first &then range should be decreased. 4. Loading effect can be minimized by using high sensitivity

Define Pharmacopoeia. List official books used in India.

Description : Define Pharmacopoeia. List official books used in India. 

Last Answer : Defination: Pharmakon means a drug and poeia means to make . Pharmacopoeia is defined as a compressive book which is issued under the authority of government and contains a list of drug ...  v) International Pharmacopeia  vi) Japanese Pharmacopoeia (J.P.)  vii) Martindale Extra Pharmacopoeia 

List any four equipment used in drying.

Description : List any four equipment used in drying.

Last Answer : Equipment used for drying: i) Tray dryer ii) Tunnel dryer iii) Rotary dryer iv) Fluidized Bed Dryer v)Vacuum dryer vi) Freeze dryer.

List the importance of size reduction in pharmaceutical industries.

Description : List the importance of size reduction in pharmaceutical industries. 

Last Answer : Importance of size reduction ;-  i) To increase the rate of solution in case of chemical substance because reduction of particle size,increases the surface area for the action of solvent. ii) To allow ... form. vi) To help in the process of suppression of solid form liquids by filtration.

List qualities of an ideal filter aid and state any two example of it.

Description : List qualities of an ideal filter aid and state any two example of it.

Last Answer : Ideal qualities of filter aid:  i. It should be remain suspended in the liquid. ii. It should be free from impurities. iii. It should be inert. iv. It should have a particle size distribution suitable ... i. Asbestos. ii. Cellulose. iii. Carbon. iv. Diatomaceous earth (silica). v. Perlite.

What are main objectives of mixing? Give the list of equipment’s used for mixing of semi solids.

Description : What are main objectives of mixing? Give the list of equipment’s used for mixing of semi solids.

Last Answer : Objectives of mixing are as follows: i) Simple physical mixing of materials to form a uniform mixture. ii) To promote the chemical reaction to get uniform product. iii) Dispersion of solid in ... Equipment's used for mixing of semi solids: Triple roller mill Agitator mixer. Planetary mixer

Give the list of chemicals which are used as bactericide?

Description : Give the list of chemicals which are used as bactericide?

Last Answer : List of Bactericides i. Chlorocresol . 0. 2% ii. Phenyl mercuric nitrate or acetate 0.002% iii. Benzalkonium chloride 0.01% iv. Thiomersal 0.01% v. Chlorohexidine acetate 0.01%

Give the list of equipments used for mixing of semi-solids.

Description : Give the list of equipments used for mixing of semi-solids.

Last Answer : Equipment’s used for mixing of semi solids: i. Triple roller mill. ii. Agitator mixer. iii. Planetary mixer. iv .Sigma Mixer

List the various equipment’s used for liquid mixing and explain how vortex formation can be avoided in liquid mixing.

Description : List the various equipment’s used for liquid mixing and explain how vortex formation can be avoided in liquid mixing. 

Last Answer : Equipment used for mixing of liquid:  1. Propeller mixture. 2. Turbine Mixture. 3. Paddle mixture. Vortex formation can be avoided in liquid mixing by making the following changes in the position of the ... the side of vessels. 4. Using push pull propeller. 5. Using baffles.

Write the advantages of microencapsulation and list different methods of microencapsulation.

Description : Write the advantages of microencapsulation and list different methods of microencapsulation.

Last Answer : Advantages of microencapsulation:  1. To mask the bitter taste of drugs like Paracetamol, Nitrofurantoin etc. 2. To reduce gastric and other gastro intestinal (G.I) tract irritations, ... 4) Electrostatic Deposition 5) Vacuum deposition 6) Polymerization 7) Multiorific Centrifugal Process.

What is aseptic technique? List the various sources of contamination and explain the sterility test.

Description : What is aseptic technique? List the various sources of contamination and explain the sterility test.

Last Answer : Aseptic technique:  The method which is used to prevent the access of microorganism during the preparation of parenteral product and their testing are called Aseptic Technique . Sources of contamination: 1) ... the sample is declared to have pass the test and same test is repeated for two times.

Define emulsion and list the different emulsifying agents

Description : Define emulsion and list the different emulsifying agents

Last Answer : Definition: Emulsions are biphasic liquid preparation consisting of two immiscible liquid phasesone of which is dispersed as minute globules into other phase that is continuous phase and made miscible by ... monoesters, Milk of magnesia, Mg oxide, Mg trioxide, Carbowax, cholesterol and lecithin.

List the steps involved in slugging process

Description : List the steps involved in slugging process

Last Answer : i) Sieving ii) Weighing iii) Blending iv) Slugging v) Screening vi) Blending vii) Compression Or. Drug + Excipients → Blending → Slugging(formation of big size tablet) → Screening → Blending → Compression.

List different excipients used in processing of capsule.

Description : List different excipients used in processing of capsule. 

Last Answer : i. Diluents: To increase bulk, e.g. lactose, sorbitol, starch etc. ii. Absorbents: Eutectic or hygroscopic drug need absorbent, e.g. oxides and carbonates of magnesium and calcium. iii. Glidants: ... filling machine a lot of dust comes out to avoid this antidusting agent added e.g. inert oils.

Explain the term aseptic techniques. What are the various points to be considered while designing an aseptic room?

Description : Explain the term aseptic techniques. What are the various points to be considered while designing an aseptic room?

Last Answer : Definition: The method which is used to prevent the access of microorganism during the preparation of parenteral product and their testing are called aseptic Technique . Design of aseptic room: 1. Site: ... connection. Vacuum. Disposable waste. 6. Furniture: Shack type. Fume -cupboard.

Give the method of preparation of “Small pox vaccine” using egg.

Description : Give the method of preparation of “Small pox vaccine” using egg.

Last Answer : Small pox vaccine is prepared by two methods 1) By using animals 2) By using Eggs By using eggs:   Hen egg is used (Which is incubated after 12 days) ↓ Small cut on ... ↓ Material is ground to produce homogenized suspension. ↓ Transfer to suitable sterile container and freeze dried

Discuss in brief gaseous sterilization using ethylene oxide.

Description : Discuss in brief gaseous sterilization using ethylene oxide. 

Last Answer : Gaseous sterilization using Ethylene oxide:  It is gas at room temperature, highly inflammable & forms explosive mixture with air. This disadvantage can be overcome by using mixture of 10% ethylene ... toxic & inflammable gas. Sophisticated instruments are required & skilled persons are needed.

Give principle, method and application of sterilization using UV radiation.

Description : Give principle, method and application of sterilization using UV radiation.

Last Answer : Principle:   Direct sunlight can destroy the microorganism on account of its ultra-violet rays of longer wave length. UV light of shorter wavelength kills or inactivates microorganisms by ... . Sterilization of thermolabile material. Sterilization of surface of working table.

Give the significance of sterilization using bactericidal solution, explain the method and name the bactericidal agents.

Description : Give the significance of sterilization using bactericidal solution, explain the method and name the bactericidal agents.

Last Answer : Significance: The lethal effect of bactericide increases with the rise of temperature. This method is used for sterilizing aqueous preparation, which is unstable at the higher temperature, hence moist heat ... minutes in boiling water. IP 1985 permitted the use of following bactericides

Define the term vaccine. Discuss the method of preparation of small pox vaccine using animals

Description : Define the term vaccine. Discuss the method of preparation of small pox vaccine using animals

Last Answer : Definition:   Vaccines are antigenic preparations which stimulate antibody formation and producing immunity. Small pox vaccine is prepared by two methods 1) By using animals 2) By using Eggs ... Filling sealing and storage: filled in final container under aseptic condition and freeze drying. 

List any two precautions to be taken in cold weather concreting.

Description : List any two precautions to be taken in cold weather concreting.

Last Answer : Precautions to be taken in cold weather concreting: In extreme weather, following precautions should be taken. 1. Concreting work should be done during day time or on sunny days. 2. Warm water should ... its use. 7. Rapid hardening or quick setting cement should be used for fast setting of concrete.

9. What are antibiotics? What precautions must be taken while taking antibiotics? -Science

Description : 9. What are antibiotics? What precautions must be taken while taking antibiotics? -Science

Last Answer : Chemical agents that kill or stop the growth of disease-causing microorganisms are called antibiotics. Antibiotics should be taken only on the advice of a qualified doctor. Also, one must complete the course prescribed by the doctor.

What are antibiotics? What precautions must be taken while taking antibiotics? -Biology

Description : What are antibiotics? What precautions must be taken while taking antibiotics? -Biology

Last Answer : Antibiotics are the medicines which kill or stop the growth of the disease-causing microbes. They are manufactured by growing specific microorganisms. They are used to cure a variety of diseases. It ... . Antibiotics are, however, not effective against cold and flu as they are caused by viruses.

Write two precautions to be taken while identifying different parts of an embryo of a dicot seed. -Science

Description : Write two precautions to be taken while identifying different parts of an embryo of a dicot seed. -Science

Last Answer : (i) The slide should be properly focused. (ii) Slide should be observed first under low-power magnification and then under high-power magnification of the compound microscope.

What are the precautions to be taken while entering the main road from the side road ?

Last Answer : : Before entering the main road from the side road or small road, it is necessary to reduce the speed of the vehicle , stop it if necessary , and make arrangements to allow the vehicle on the main ... to enter the main road as soon as possible by observing the movement of vehicles on the main road.

What are the precautions to be taken while driving in the rain ?

Last Answer : Brakes work less as the road is slippery during rains. For this reason, as an extra precaution, you should drive at a slower speed (half the normal speed) , so that the brakes can be applied and ... at a slow speed so that the car can be stopped or controlled very easily by applying the brakes .

What are the precautions to be taken while writing a film?

Description : What are the precautions to be taken while writing a film?

Last Answer : What are the precautions to be taken while writing a film?

What are the precautions to be taken while terminating the bushings?

Description : What are the precautions to be taken while terminating the bushings?

Last Answer : Contact surfaces with intermediate plates, Mating surfaces should be identical. 

What precautions should be taken while meggering main generator?

Description : What precautions should be taken while meggering main generator?

Last Answer : All PT’s are racked out. Earthing transformer grounding terminals disconnected. Barring gear shall be kept off. Stator water shall be drained fully and hot air blown through conductors. Generator flexible lines shall be disconnected to isolate GT/UT. 

What are the precautions to be taken while working at SPPT?

Description : What are the precautions to be taken while working at SPPT?

Last Answer : PT trolley should be isolated very carefully so as to isolate secondary terminals first and primary (HT) terminals next. When primary isolated the arrangement in the trolley make ground connection and HT ... side of the fuse to replace the fuse. Because PT may be energised through secondary side. 

What are precautions to be taken while doing maintenance or repair work on power cables?

Description : What are precautions to be taken while doing maintenance or repair work on power cables?  

Last Answer : A research organised by EPRI (electric power research institute) on medium voltage XLPE cables found that DC high potential at 80% of the factory value a. Subsequently reduces the life of ... of cramped conductor strands is achieved otherwise it will add resistance and create over heating. 

What precautions should be taken while working in high tritium areas?

Description : What precautions should be taken while working in high tritium areas?

Last Answer : Use respirators, plastic suits, VP suits if concentration of tritium is very high. Avoid getting hurt while working because tritium may go through the skin by sweat to the blood. If by chance there is tritium intake in the body drink lots of fluids. 

Write two precautions to be taken while identifying different parts of an embryo of a dicot seed.

Description : Write two precautions to be taken while identifying different parts of an embryo of a dicot seed.

Last Answer : Answer. (i) The slide should be properly focused. (ii) Slide should be observed first under low-power magnification and then under high-power magnification of the compound microscope.

Write two precautions that must be taken while studying the decomposition reaction, when the ferrous sulphate crystals are heated in a boiling tube?

Description : Write two precautions that must be taken while studying the decomposition reaction, when the ferrous sulphate crystals are heated in a boiling tube?

Last Answer : Answer. Keep your nose away from the gas like SO2 which is suffocative. Use tube holder to heat the test tube.

State any four precautions to be taken while plastering.

Description : State any four precautions to be taken while plastering.

Last Answer : i. Before application of the plastering, the surface must be clean and free of dirt, oil, or other elements which may interfere with bonding. ii. Smooth or non-absorbent surfaces should be prepared. iii. ... or vertical line at the end of the day or if work requires to be suspended for any reason.

State any four precautions to be taken while marking layout on ground.

Description : State any four precautions to be taken while marking layout on ground.

Last Answer : The necessary precaution to be taken while marking layout on ground are as follows 1. All vertical wooden post should be firmly fixed into the ground with concrete and curing should be done to the ... the face line or center line correctly. 19. Use proper or correct plumb bob for centering. 

State any four precautions to be taken while selecting stations for chain surveying.

Description : State any four precautions to be taken while selecting stations for chain surveying.

Last Answer : Following are the precautions to be taken while selecting station for chain surveying. 1) As far as possible the survey work should be based upon the basic principle of surveying i.e. working from whole to ... level ground. 9) The survey lines should run as far as possible nearer to object.

Mention the precautions to be taken while connecting CT and PT in the circuit.

Description : Mention the precautions to be taken while connecting CT and PT in the circuit. 

Last Answer : Precautions to be taken while using instrument transformers: 1. Secondary of CT is never kept open circuited when it is energized. 2. Secondary of PT is never kept short circuited when it ... of the instrument transformers unless they are properly grounded. 8. Never connect to DC circuits.

Which of the listed precautions should be taken when cleaning the internals of a motor with compressed air? A. Open the machine on both ends so as to allow the air and dust to escape. B. Be certain that the circuit breaker is opened and tagged on the feeder panel. C. Be certain that the air is clean and as dry as possible. D. All of the above.

Description : Which of the listed precautions should be taken when cleaning the internals of a motor with compressed air? A. Open the machine on both ends so as to allow the air and dust to escape. B. Be certain that the ... panel. C. Be certain that the air is clean and as dry as possible. D. All of the above.

Last Answer : Answer: D