1. The strength of material is defined as ?
a. Ability of material to resist external forces
b. Ability of material to resist deformation
c. Ability of material to withstand external loads
d. None of the above
Ability of material to resist external forces
2. Moisture content for timber used in construction ranges ?
a. 0 – 2 %
b. 2 – 4 %
c. 10 %
d. 14 – 20 %
14 – 20 % (Exact 12% – 18%)
3. Plywood is used in formwork because ?
a. Tensile strength is maximum in long directions
b. Tensile strength is minimum in long direction.
c. Strength of the panel is equal in all directions
d. None of the above
Strength of the panel is equal in all directions
4. Mastic asphalt is used for ?
a. Water proofing.
b. Paving
c. Finishing
d. None of the above.
Water proofing.
5. Gypsum board is used due to ?
a. Low cost.
b. Ease of construction.
c. All of the above.
All of the above.
6. Timber important factor to be used as a beam member ?
a. Strength
b. Hard to bend
c. Smooth surface
d. Rough surface
Smooth surface
7. What is the steel strength which used for reinforced concrete ?
a. 100 N/mm 2
b. 200 N/mm 2
c. 300 N/mm 2
d. 500 N/mm 2
500 N/mm 2
8. Tensile strength in wood ?
a. Direct with grains
b. Cell and Wall
c. Roots
d. None of these
Direct with grains
9. Bricks ?
a. Mortar is an effect to strength of brick wall
b. Limestone is an effect of strength of bricks
c. Mortar is considered the main effect of strength of brick wall
d. All of the above
All of the above
10. One of the following is not a gypsum board characteristic ?
a. Low cost in construction
b. Can be easily formed in different shapes
c. Can be recycled
d. Fire resistance
Low cost in construction
11. In Timber where we can find moisture ?
a. In cell only
b. In Wall only
c. In Cell and Wall only
d. None of these
In Cell and Wall only
12. Plywood is preferred on concrete shutter because its ?
a. Tensile stress on both direction
b. Tensile stress on long direction
c. Tensile stress on short direction
d. None of these
Tensile stress on both direction
13. Distemper is used to coat ?
a. External concrete surfaces
b. Interior surfaces not exposed to weather
c. Wood work
d. Compound walls
Interior surfaces not exposed to weather
14. Which type of brick masonry bond is provided for heavy loads on masonry ?
a. English bond
b. Zigzag bond
c. Single Flemish bond
d. Double Flemish bond
English bond
15. What is the maximum allowable tensile stress in the wooden building ?
a. 100 MPa
b. 40 MPa
c. 25 N/mm2
d. 60 N/mm2
e. None of the above
40 MPa (Between 25— 60 N/mm)
16. Consider the following methods of preservation of timber ?
1. Dipping
2. Brushing or spraying
3. Pressure impregnation
The correct sequence in decreasing order of the effectiveness of these methods of preservation is
a. 1, 2, 3
b. 2, 1, 3
c. 3, 1, 2
d. 3, 2, 1
3, 2, 1
17. Timber can be made more fire resistant by ?
a. Dipping and steeping process
b. Hot and cold open tank treatment
c. Charring
d. Sir abel’s process
Hot and cold open tank treatment
18. The advantages in using plywood is ?
a. Tensile strength is equal plywood is that the
b. Higher Tensile Strength in longer direction
c. Higher Tensile Strength in shorter direction
d. Lower Tensile Strength in longer direction
Tensile strength is equal plywood is that the
19. What is the “yield strength” for most reinforcing bars ?
a. 400 MPa
b. 300 Mpa
c. 600 Mpa
d. 100 Mpa
400 MPa
20. For a plain carbon steel, all of the following are true except ?
a. A steel can be hardened without carburizing
b. Yield Strength of a steel can be increased by cold rolling
c. High Carbon Steel is less ductile than medium carbon steel
d. Larger grain size steel is stronger than small grain size steel.
A steel can be hardened without carburizing
21. Which of the following statements is correct when corrosion happens ?
a. Water/cement ratio and air content is high
b. Concrete cover above steel is less than required
c. (a) only
d. (a) & (b)
(a) & (b)
22. The following steps are involved in making a spigot and socket joint of cast iron pipes used in water supply systems ?
1. Tarred gasket or hemp yarn in wrapped around the spigot.
2. The spigot end is centered into the socket end of the preceding pipe.
3. A joining ring end is placed around the barrel and against the face of the socket.
4. The gasket or hemp yarn in caulked slightly.
5. Molten pig lead is poured and then caulked.
The correct sequence of these steps is
a. 2, 1, 4, 3, 5
b. 2, 1, 3, 4, 5
c. 1, 2, 4, 5, 3
d. 1, 2, 3, 5, 4
1, 2, 4, 5, 3