Sub Engineer Civil MCQs Pdf

By: Prof. Dr. Fazal Rehman | Last updated: April 16, 2025

1. On the painted surface _____ is known as the appearance of glossy patches.
(A) Running
(B) Blooming
(C) Flashing
(D) Blistering

2. From____ synthetic rubber paints are prepared.
(A) Polyvinyl Chloride
(B) Rubber
(C) Synthetic fibers
(D) Resin

3. _____ paint contains polystyrene as a base.
(A) Synthetic rubber
(B) Enamel
(C) Aluminium
(D) Emulsion

4. What is the use of spray paint?
(A) Apply paint without touching the surface
(B) Apply a large amount of paint
(C) Reach high areas
(D) Get textured paint

5. A smooth surface is required for cement paints to be applied.
(A) True
(B) False
Answer: (B) False

6. To make paints odorless to an extent____ is used.
(A) Plioway resins
(B) Celluloid sheets
(C) Acrylic compound
(D) Flat latex

7. _____ is not an example of a base.
(A) White lead
(B) Zinc oxide
(C) Cobalt
(D) Red lead

8. By adding white spirit, the open-time of paint can be extended.
(A) False
(B) True
Answer: (B) True

9. After _____ dissolved gum added to the solution in a whitewash.
(A) 6 hours
(B) 12 hours
(C) 24 hours
(D) 1 hour

10. Cheaper varieties of paint are ______
(A) Distempers
(B) Pointing
(C) Colour wash
(D) Acrylics

11. There are _____ components in paint.
(A) 3
(B) 5
(C) 4
(D) 6

12. When exposed to sun _____ paint gets deteriorated.
(A) Asbestos
(B) Aluminium
(C) Oil
(D) Bituminous

13. Select which of the following is highly washable and has a sheen.
(A) Acrylic flat
(B) Acrylic eggshell
(C) Acrylic gloss
(D) Acrylic satin

14. For which purpose the vehicle in paint used?
(A) To obscure surface
(B) To reduce crack on the surface
(C) To provide shine to the surface
(D) To adhere to the surface

15. To avoid _____ paint should provide resistance.
(A) Corrosion
(B) Sound
(C) Heat
(D) Warping

16. _____ is a pigment imparting brown colour.
(A) Burnt sienna
(B) Soot
(C) Raw sienna
(D) Ultramarine

17. The function of ______ is done by component filler in paint.
(A) Absorbing oxygen
(B) Smooth spreading
(C) Consistency
(D) Reducing the cost

18. _____ is the most commonly used base.
(A) Red lead
(B) Zinc white
(C) White lead
(D) Oxide of iron

19. Oil paint is applied to a surface in____ layers.
(A) 3
(B) 4
(C) 2
(D) 1

20. For ordinary work, which of the following vehicles are used?
(A) Nut oil
(B) Poppy oil
(C) Stand oil
(D) Linseed oil

21. Select when we should add a drier to the paint?
(A) 12 hours before paint is used
(B) Immediately after opening it
(C) When the paint is ready to use
(D) 1 hour before paint is used

22. Select which is a characteristic of an ideal paint?
(A) Health of the worker is unaffected
(B) Costly
(C) Pleasant smell
(D) Dries rapidly

23. ___ is present in emulsion paints.
(A) Nitro cotton
(B) Polyvinyl acetate
(C) White lead
(D) Zinc white

24. For priming coat to new woodwork, the _____ base is generally used.
(A) Antimony white
(B) Aluminium powder
(C) Titanium dioxide
(D) Red lead

25. Saponification is identified by the appearance of _______ and it is a defect on the painted surface.
(A) Soapy patches
(B) Dull patches
(C) Bubbles
(D) Wrinkles

26. If the paint is applied excessively thick_____ defect occurs.
(A) Wrinkling
(B) Running
(C) Grinning
(D) Flaking

27. In a paint, the base does not serve the function of_____
(A) Durability
(B) Catalyst
(C) Protection against UV rays
(D) Hard and elastic

28. In color the anticorrosive paint is _____
(A) Black
(B) White
(C) Blue
(D) Yellow

29. Select how does the drier act as a catalyst?
(A) Releasing oxygen
(B) Absorbing oxygen
(C) Releasing water
(D) Absorbing water