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This section includes 4 Mcqs, each offering curated multiple-choice questions to sharpen your Construction Materials knowledge and support exam preparation. Choose a topic below to get started.
1. |
The __________ varnishes dry slowly, but they form hard and durable surface. |
A. | Oil |
B. | Spirit |
C. | Water |
D. | Turpentine |
Answer» B. Spirit | |
2. |
Boiled linseed oil is used as a solvent for ___________ resin. |
A. | Amber |
B. | Mastic |
C. | Gum |
D. | Rosin |
Answer» B. Mastic | |
3. |
The __________________ is a hard substance and is available from the Earth at the place where pine trees exist in past. |
A. | Lac |
B. | Copal |
C. | Shellac |
D. | Rosin |
Answer» C. Shellac | |
4. |
___________________ defects is caused by the water vapour which is trapped behind the painted surface. |
A. | Flaking |
B. | Fading |
C. | Blistering |
D. | Flashing |
Answer» D. Flashing | |