Construction Materials Questions and Answers - Foundation

1. The part of the building above the ground level and up to the floor level immediately above the ground is known as __________
a) Plinth area
b) Formation level
c) Ground level
d) Plinth

  Discussion

Answer: d
Explanation: Plinth is therefore defined as the portion of the structure between the surface of the surrounding ground and surface of the floor, immediately above the ground. Plinth is an important component of building which prevents crawling animals, water and other insects from coming inside the building.

2. The built up area measured and the plinth level is known as __________
a) Total area
b) Plinth area
c) Plot area
d) Floor area

  Discussion

Answer: b
Explanation: Plinth area is nothing but the build-up covered area measured at the floor level.

3. What should be the average height of plinth?
a) 300-500 m
b) 1-2 m
c) 300-450 mm
d) 50-100 mm

  Discussion

Answer: c
Explanation: Generally the plinth level is provided at about 300 to 400 mm above finished ground level. It is suggested that plinth level should be decided by considering the top level of the ground and hence considering the level.

4. In a market area, the plinth area should not exceed __________ of the area of site.
a) 75%
b) 25%
c) 95%
d) 55%

  Discussion

Answer: a
Explanation: As per regulations, the plinth area should not exceed 75% of the area of commercial sites, provided sufficient off-street parking facilities for loading and unloading of vehicles are provided on the same plot as the building.

5. The ____________ provides support to the occupants, furniture, fixtures and equipments of a building.
a) Plinth
b) Ramp
c) Floor
d) Lifts

  Discussion

Answer: c
Explanation: Different floors divide the building in two different levels to provide more accommodation on a given plot of land. The floor of a building immediately above the ground is known as the ground floor.

6. _________ is known as Substructure of the building.
a) Plinth
b) Trenches
c) Foundation
d) Footing

  Discussion

Answer: c
Explanation: Superstructure is the part of the building constructed about the plinth level. Foundation, plinth, basement, ground level, etc. comes under Superstructure.

7. The height of the Plinth should not be less than __________
a) 45 cm
b) 20 cm
c) 1 m
d) 500 cm

  Discussion

Answer: a
Explanation: According to Indian Standards, the minimum height for the Plinth is 45 cm. The height of the plinth depends upon architectural elevation, ground level, highest flood level, etc.

8. The portion below the plinth level is known as ____________
a) Plinth area
b) Superstructure
c) Sub-structure
d) Formation level

  Discussion

Answer: c
Explanation: Substructure or foundation is the lower portion of the building which lies below the plinth level. Substructure transmits loads of the superstructure to the supporting soil.

9. Foundations are more susceptible to ____________
a) Settlement
b) Corrosion
c) Fracture
d) Shocks

  Discussion

Answer: a
Explanation: Settlements is most commonly seen in foundation which are within the permissible limits, without causing cracks in the superstructure and soil does not fail in shear.

10. The word Plinth is derived from ___________
a) Latin
b) Greek
c) Spanish
d) Polish

  Discussion

Answer: b
Explanation: In architecture, a Plinth (from Greek plinthos, “brick”) is the base or platform upon which a column, pedestal, statue, monument or structure rests.