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Questions
In a white wash, after how many hours is dissolved gum added to the solution?
ক
24 hours
খ
12 hours
গ
6 hours
ঘ
1 hour
A paint normally consists of _________ components.
ক
3
খ
5
গ
4
ঘ
6
_________ paint gets deteriorated when exposed to sun.
ক
Asbestos
খ
Bituminous
গ
Oil
ঘ
Aluminium
The appearance of glossy patches on the painted surface is called:
ক
Flashing
খ
Blooming
গ
Running
ঘ
Blistering
Which of the below is a pigment imparting brown colour?
ক
Raw sienna
খ
Soot
গ
Burnt sienna
ঘ
Ultramarine
The component filler in paint does the function of:
ক
Absorbing oxygen
খ
Reducing cost
গ
Consistency
ঘ
Smooth spreading
Saponification is a defect on the painted surface and it is identified by the appearance of:
ক
Wrinkles
খ
Dull patches
গ
Bubbles
ঘ
Soapy patches
Which of the below is not an example of a base?
ক
White lead
খ
Cobalt
গ
Zinc oxide
ঘ
Red lead
Which paint contains polystyrene as a base?
ক
Synthetic rubber
খ
Enamel
গ
Aluminium
ঘ
Emulsion
Which defect occurs if a paint is applied excessively thick?
ক
Grinning
খ
Running
গ
Wrinkling
ঘ
Flaking
DPM stands for:
ক
Damp Proof Material
খ
Damp Proof Mix
গ
Damp Proof Member
ঘ
Damp Proof Membrane
If the soil is dry, DPC for ground floor consists of the layer of:
ক
Metal
খ
Coarse sand
গ
Fine sand
ঘ
Concrete
Dampness spreads upwards from the ground only.
ক
True
খ
False
At roof slab level over the DPC, __________ are provided.
ক
Tiles
খ
Concrete
গ
P.C.C
ঘ
Rubber sheet
DPC materials can be classified into:
ক
3
খ
4
গ
2
ঘ
5
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