WorksheetsD39 FACE THE CHALLENGE
Total questions: 30
Worksheet time: 30mins
Name
Class
Date
1.
What is the maximum spacing of longitudinal bars along the periphery of a circular RCC column as per IS code?
a)
300 mm
b)
250 mm
c)
200 mm
d)
150 mm
2.
What is the minimum diameter of helical reinforcement in a column?
a)
One-fourth of largest longitudinal bar diameter
b)
8 mm
c)
12 mm
d)
40 mm
3.
What is the increase in axial load carrying capacity due to helical reinforcement in a circular RCC column?
a)
10%
b)
5%
c)
15%
d)
20%
4.
In projectile motion, what is the trajectory of a particle?
a)
Circular
b)
Elliptical
c)
Parabolic
d)
Straight line
5.
Minimum clear cover to reinforcement for columns is:
a)
25 mm
b)
40 mm
c)
50 mm
d)
20 mm
6.
In a doubly reinforced RCC beam, the compression reinforcement is provided to:
a)
Reduce deflection only
b)
Carry extra moment beyond balanced section
c)
Resist torsional shear
d)
Increase the span of beam
7.
Which reinforcement type controls diagonal tension failure in beams?
a)
Main bars
b)
Anchorage bars
c)
Stirrups
d)
Crank bars
8.
The effective span of a simply supported RCC beam is taken as:
a)
Clear span + effective depth
b)
Effective depth+bar diameter
c)
Clear span only
d)
Clear span – bar diameter
9.
Which part of a beam experiences maximum compressive stress in bending?
a)
Top fiber
b)
Neutral axis
c)
Bottom fiber
d)
Center of span
10.
Development length of a bar increases with:
a)
Decrease in bar diameter
b)
Increase in bond stress
c)
Increase in bar diameter
d)
Use of deformed bars
11.
Which reinforcement is primarily responsible for resisting tensile bending stress in slabs?
a)
Distribution bars
b)
Main bars
c)
Nominal reinforcement
d)
Shear bars
12.
Which RCC column type is more efficient in load carrying capacity?
a)
Circular column with helical reinforcement
b)
Rectangular column with lateral ties
c)
Octagonal column
d)
Spiral rectangular column
13.
If a beam is over-reinforced, what type of failure is expected?
a)
Tensile failure
b)
Compression failure
c)
Shear failure
d)
Ductile failure
14.
Which of the following materials is commonly used for damp proof course (DPC) at floor level?
a)
PVC sheet
b)
Bituminous layer
c)
Red oxide
d)
Paint
15.
Which floor finish is best suited for industrial buildings?
a)
PVC Tiles
b)
Ceramic Tiles
c)
Concrete floor with hardener
d)
Marble tiles
16.
A jack arch roof is supported by:
a)
Beams and columns
b)
Steel joists
c)
Brick arches and RCC bands
d)
Rafters
17.
What is the slope recommended for a pitched tiled roof?
a)
15° to 20°
b)
20° to 30°
c)
30° to 45°
d)
Above 45°
18.
Which roof is most suitable for hot and arid climates?
a)
Flat roof
b)
Sloped roof
c)
Shell roof
d)
Dome roof
19.
Which material is used in Mangalore tile roofing?
a)
Cement
b)
Asbestos
c)
Clay
d)
Concrete
20.
Which type of staircase is suitable for minimum space?
a)
Dog-legged staircase
b)
Straight flight staircase
c)
Spiral staircase
d)
Open well staircase
21.
What is the minimum tread size for residential staircases?
a)
200 mm
b)
250 mm
c)
300 mm
d)
150 mm
22.
The vertical member between two treads is known as:
a)
Riser
b)
Baluster
c)
Tread
d)
Landing
23.
Which of the following roofs offers the highest resistance to wind uplift?
a)
Gable roof
b)
Hipped roof
c)
Flat roof
d)
Shell roof
24.
In dog-legged staircases, the two flights:
a)
Are in opposite directions with landing in between
b)
Are in the same direction with landing in between
c)
Spiral around a central column
d)
Are joined by quarter space landing
25.
What is the primary function of flashings in roofing?
a)
Structural reinforcement
b)
Prevent water penetration at junctions
c)
Ventilation
d)
Increase thermal resistance
26.
Which of the following floor types is most suitable for laboratories?
a)
Mosaic floor
b)
PVC tile floor
c)
Granolithic floor
d)
Cement concrete floor
27.
In stair construction, the headroom is defined as the:
a)
Distance from tread to handrail
b)
Vertical distance from tread to soffit above
c)
Height of riser
d)
Length of staircase flight
28.
For fire resistance, the most suitable roofing material is:
a)
Wooden shingles
b)
Asbestos cement sheets
c)
Bituminous felt
d)
Polycarbonate sheets
29.
The mid-landing in a staircase primarily serves to:
a)
Reduce the number of risers
b)
Provide break and rest
c)
Allow natural light
d)
Support tread finishes
30.
The spacing of purlins in a sloping roof depends mainly on:
a)
Roof pitch
b)
Weight of covering material
c)
Span of rafters
d)
All the above
100 %
