D29 CHECK YOUR LEVEL

Which is most suitable for temporary structures?

• RCC
• Steel
• Timber
• Stone

Answer explanation

Timber is quick to erect, easy to dismantle, and cost-effective for temporary works.

The IS code for steel structures is:

• IS 456
• IS 800
• IS 383
• IS 1077

Answer explanation

IS 800 is the code for general construction in steel structures.

Which is not a common roofing material?

• Asbestos
• Bitumen felt
• Glass
• Polycarbonate

Answer explanation

Glass is rarely used for roofing due to its fragility and cost.

Which stone is best for damp locations?

• Granite
• Sandstone
• Laterite
• Limestone

Answer explanation

Granite is dense, hard, and less porous, suitable for damp conditions.

The minimum thickness of DPC in residential buildings is:

• 10 mm
• 20 mm
• 25 mm
• 40 mm

Answer explanation

A thickness of at least 25 mm is recommended for effective damp-proofing.

Which is a non-load bearing wall?

• Partition wall
• Retaining wall
• Compound wall
• Parapet wall

Answer explanation

Partition walls only divide space and do not support structural loads.

The IS code for building drawing symbols is:

• IS 962
• IS 456
• IS 800
• IS 1077

Answer explanation

IS 962 covers symbols, line types, and conventions used in building drawings.

The minimum height of a handrail for staircase is:

• 500 mm
• 700 mm
• 850 mm
• 900 mm

Answer explanation

Standard minimum handrail height is 900 mm for safety.

Which material is best for sound insulation?

• Glass wool
• Concrete
• Brick
• Steel

Answer explanation

Glass wool is a fibrous material with good sound-absorbing properties.

The process of providing slope to roof for drainage is called:

• Grading
• Screeding
• Pitching
• Sloping

Answer explanation

Pitching is the process of giving slope for water drainage on roofs.