How is PVC recycled commonly?
1.Feedstock process
2.VinyLoop process
3.Mechanical process
4.Chemical process
Posted Date:-2022-07-07 06:52:45
Flexible PVC is used for:
1.Pipes
2.Partition walls
3.Flooring
4.Door frames
Posted Date:-2022-07-07 06:51:23
Glass is a mixture of:
1.Non-metallic silicates
2.Metallic silicates
3.Metallic acetates
4.Non-metallic acetates
Posted Date:-2022-07-07 07:09:24
Hardness of rubber is measured on which scale?
1.Rockwell scale
2.Shore scale
3.Mohr’s scale
4.Vicker’s scale
Posted Date:-2022-07-07 07:08:13
How many different categories of glass are there?
1.5
2.4
3.2
4.3
Posted Date:-2022-07-07 07:09:51
Natural rubber contains polymers of an organic compound:
1.Polyprene
2.Neoprene
3.Thiokol
4.Isoprene
Posted Date:-2022-07-07 06:54:10
Pure PVC is ____________ in colour.
1.Grey
2.Blue
3.White
4.Black
Posted Date:-2022-07-07 06:53:34
PVC plug is used to:
1.Connect pipes of varying diameter
2.Connect 2 pipe lines
3.Seal pipes of less diameter
4.Seal end of pipe line
Posted Date:-2022-07-07 06:52:20
Recycled crumb rubber can be used in:
1.Plastering
2.Mortar
3.Paints
4.Concrete
Posted Date:-2022-07-07 07:06:56
RPVC can be made softer and more flexible using:
1.Reducers
2.Conditioners
3.Oils
4. Plasticizers
Posted Date:-2022-07-07 06:50:33
Rubber bricks are generally used for:
1.Roofing
2.Walls
3.Floorings
4.Lining pizza ovens
Posted Date:-2022-07-07 07:07:47
Rubber latex is used for:
1.Bonding wood plys
2.Bonding rubber to walls
3.Bonding rubber to wood
4.Bonding tools
Posted Date:-2022-07-07 07:06:05
Rubber seed oil can be used in:
1.Paint
2.Medicine
3.Varnish
4.Fuel
Posted Date:-2022-07-07 07:06:31
Synthetic rubber is also called:
1.Gum rubber
2.Caoutchouc
3.Buna-S
4.Gum elastic
Posted Date:-2022-07-07 07:08:39
What is added to rubber to make it a thermosetting polymer?
1.Potassium
2.Sulphur
3.Sodium
4.Phosphorous
Posted Date:-2022-07-07 07:04:52
What is added to rubber to make it a thermosetting polymer?
1.Potassium
2.Sulphur
3.Sodium
4.Phosphorous
Posted Date:-2022-07-07 07:04:52
What is resilience?
1.Strength
2.Elasticity
3. Soundness
4.Durability
Posted Date:-2022-07-07 07:07:21
What is the Limiting Oxygen Index (LOI) of PVC?
1.45 or more
2.20 or more
3.45 or less
4.20 or less
Posted Date:-2022-07-07 06:50:57
Which additive in PVC pipe leads to the contamination of potable water?
1.Lead
2.VCM
3.Phthalates
4.Sulphur
Posted Date:-2022-07-07 06:53:12
Which of the following PVC product is not there in the market?
1.PVC brick decor
2.PVC door
3.PVC cement
4.PVC plaster
Posted Date:-2022-07-07 06:51:48
Which of the following types of glass accounts for about 90% of manufactured glass?
1.Potash-lime glass
2.Soda-lime glass
3. Potash-lead glass
4.Soda-lead glass
Posted Date:-2022-07-07 07:10:30