Percentage Calculator

Year-Sem	Marks obtained	Percentage
1.1	/1100
1.2	/1000
2.1	/650
2.2	/725
3.1	/750
3.2	/800
4.1	/775

Total
Marks :  /5800    Percentage :

- To obtain aggregate -

4.2 Previous Question Papers

4.2 Previous Question Papers for you guys


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SEDD

General Seminar Time Table

Order/Time schedule for cement plastering is following.

Time schedule/Order for cement plastering is following. 

• Plan the plastering when the surface receiving plaster coat is sufficiently matured. 
• Ensure that subsequent building operations do not cause any damage in plaster work. 
• Start external plastering from the top most floors and proceed downwards.
• Start internal plastering after the structural work is complete. 
• Do plastering on ceiling wherever required before the walls are plastered.

Advantages and Disadvantages of Flush Doors

Advantages of flush doors are following:

• Flush doors offer simplicity in design and less expensive.
• Flush Doors provide attractive appearance
• Hollow core doors available.
• They provide durability.
• They have rich, warm appearance of a traditional door.
• They have good stability against twisting.
• They cant split, peel or rot, and dont require periodic refinishing.
• The door surface offers a degree of resistance to stains, scratches and crash that would easily damage wood.
• Its also unaffected by the elements and humid environments, and offers good cleanliness.

Disadvantages of flush doors are following:

The flush doors are factory made and correct size of the door must be given, as subsequent alterations are very difficult.

Advantages and Dis-advantages of Plaster of Paris (for false ceiling)

Advantages of plaster of Paris(POP):

• It expands very slightly on setting.
• It is not likely to cause cracking of surfaces.
• It forms a thick surface to resist normal knocks after drying.
• It is easy to spread and level.
• It mixes up easily with water.
• It has no appreciable chemical action on paint and does not cause alkali attack.
• Tiles and blocks of plaster of Paris have the specific advantage of lightness and high fire resistance.
• Plaster of Paris gives a decorative interior finish.

Disadvantages of plaster of Paris:

• Gypsum plaster is not suitable for exterior finish as it can not be used in damp finish.
• Cement can not be mixed with plaster of Paris.
• It is more expensive than cement or cement lime plaster
• It can not be used in moist situations.
• The labor cost for applying plaster of Paris is high.

How to clean plaster ceiling?

Are you going to clean whole house? Start cleaning with ceiling and then walls, doors, windows, cabinets, furniture and floors. The ceiling is cleaned first to protect walls, furniture and floors from dust marks. It is a tough job and depends on dust or dirt accumulated on the surface of ceiling. This article tells you some tips to clean plaster or concrete surface ceiling.

Steps to clean plaster ceiling

Step 1: Utilize vacuum cleaner for cleaning plaster or concrete ceilings. In this process, vacuum hose is attached to the end of broom handle by taping.
Step 2: Take hosepipe near ceiling using a high level stool or folding stair and clean the ceiling with vacuum cleaner. 
Step 3: For manual cleaning, clean the ceiling with the help of broom tied with old flannel cloth. Use this device to dust ceiling and start from one end to the other end by switching to clean areas of flannel.
Step 4: Clean stained areas of the ceiling with the help of peroxide solution or by using diluted bleach solution. After application of solution, sponge the cleaned area. 

Precautions while cleaning plaster ceiling

1. Cover furniture, floors and fixtures with cloths, polythene sheets or with any other covering material to protect them from droppings.  
2. Avoid using ladder or stool for cleaning instead use long handle device.
3. Always wash ceilings before washing walls and floors to avoid dirt fall on clean walls and floors.  
4. Wear rubber gloves with cuff for safeguard of hands while cleaning the ceiling with liquid cleaner.   
5. Utilize goggles or cloth to protect eyes while cleaning the ceiling.   
6. Ensure that no drips of water or cleaning agent run on the walls. 
7. Never rub cobwebs on ceiling or walls for cleaning as it will spoil the finishing leaving ugly marks on the surface.