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WorksheetsD64 MASTER THE DAY
Total questions: 105
Worksheet time: 2hrs 45mins
Name
Class
Date
1.
Which formwork material is experimental and used for complex shapes using geotextile sheets?
a)
Fabric formwork
b)
Plastic formwork
c)
Steel formwork
d)
Plywood formwork
2.
What is the main function of bracing in formwork?
a)
Hold sides together
b)
Prevent movement
c)
Shape concrete
d)
Support vertical load
3.
Which type of reinforcement may be used without end anchorage if development length is satisfied?
a)
Plain bars
b)
Deformed bars
c)
TMT bars
d)
Structural steel bars
4.
The clean-out hole at the bottom of column formwork is provided for:
a)
Ventilation
b)
Removing debris
c)
Pouring concrete
d)
Fixing reinforcement
5.
For slabs spanning up to 4.5m, props are removed after:
a)
3 days
b)
7 days
c)
14 days
d)
21 days
6.
In reinforced masonry columns, steel plates are generally of what thickness?
a)
4 mm
b)
5 mm
c)
6 mm
d)
8 mm
7.
Which type of slab system consists of bricks laid flat in multiple courses with steel bars in between?
a)
Jack arch slab
b)
RBC slab
c)
Hollow-tile slab
d)
Solid slab
8.
The IS code for high strength deformed steel bars is:
a)
IS 432 Part I
b)
IS 2062
c)
IS 1786
d)
IS 2502
9.
What is the purpose of providing a kicker at the base of a column form?
a)
Drain water
b)
Locate form
c)
Increase strength
d)
Hold reinforcement
10.
Which formwork material is lightweight, easily cleaned, and suitable for small repetitive works?
a)
Steel
b)
Plastic
c)
Timber
d)
Aluminium
11.
The soffit form of beams is provided with a slight camber to:
a)
Reduce concrete usage
b)
Avoid leakage
c)
Compensate deflection
d)
Increase stiffness
12.
Which process involves fixing steel reinforcement according to IS 2502?
a)
Anchoring
b)
Bending and fixing
c)
Propping
d)
Centering
13.
The removal of formwork from soffit to slabs is done after how many days?
a)
1–2 days
b)
3 days
c)
7 days
d)
14 days
14.
Which element in beam formwork ensures proper width and camber?
a)
Side shutter
b)
Props
c)
Sheathing
d)
Bracing
15.
Which reinforced masonry element is most suited for spans up to 1–1.5 m?
a)
Lintel
b)
Slab
c)
Column
d)
Beam
16.
What is the recommended cement mortar ratio for reinforced brickwork?
a)
1:2
b)
1:3 or 1:4
c)
1:5
d)
1:6
17.
For very tall column pours, what method can be used to reduce form pressure?
a)
Use stronger ties
b)
Pour in stages
c)
Increase reinforcement
d)
Reduce concrete slump
18.
Which failure cause is related to vibration from passing traffic?
a)
Inadequate bracing
b)
Improper stripping
c)
Shore displacement
d)
Material defect
19.
Which IS code specifies high drawn steel wire fabric for reinforcement?
a)
IS 1566
b)
IS 2062
c)
IS 456
d)
IS 432
20.
What is the main purpose of ties in column formwork?
a)
Hold vertical alignment
b)
Hold panels together against pressure
c)
Support scaffolding
d)
Fix reinforcement
21.
Formwork panels for slabs are supported by:
a)
Side shutters
b)
Head beams
c)
Bracing
d)
Ties
22.
Which reinforcement type is conforming to IS 2062?
a)
Structural steel Grade A
b)
Mild steel bars
c)
High strength deformed bars
d)
Thermo mechanically treated bars
23.
The bending radius for a bend forming anchorage to a MS plain bar is equal to:
a)
Two times bar diameter
b)
Three times bar diameter
c)
Four times bar diameter
d)
Six times bar diameter
24.
What is the minimum length beyond a bend for MS plain bars in anchorage?
a)
Two times bar diameter
b)
Three times bar diameter
c)
Four times bar diameter
d)
Six times bar diameter
25.
Which type of load on formwork is caused by wind?
a)
Dead load
b)
Imposed load
c)
Horizontal load
d)
Environmental load
26.
Which reinforced masonry slab type uses steel joists with brick arches?
a)
RBC slab
b)
Jack arch roof
c)
Filler slab
d)
Solid slab
27.
Which component in formwork ensures accurate shape and finish of concrete?
a)
Sheathing
b)
Studs
c)
Props
d)
Ties
28.
The term 'centering' in formwork refers to:
a)
Formwork for vertical elements
b)
Formwork for circular works
c)
Temporary supports
d)
Formwork dismantling
29.
For beams with spans over 4.5 m, the props to slabs should be removed after:
a)
7 days
b)
14 days
c)
21 days
d)
28 days
30.
Which component in formwork is used to stiffen the sheathing?
a)
Props
b)
Studs/Walers
c)
Ties
d)
Bracing
31.
What is the primary reason for failure of formwork during concrete placement?
a)
Improper stripping
b)
Inadequate control of placement
c)
Poor material quality
d)
Incorrect curing
32.
What cover should be provided to reinforcement bars in masonry?
a)
5–8 mm
b)
8–10 mm
c)
10–15 mm
d)
15–20 mm
33.
Which IS code specifies RCC design and construction standards?
a)
IS 456
b)
IS 2502
c)
IS 1786
d)
IS 1566
34.
What is the usual thickness range for plywood used in formwork?
a)
6–10 mm
b)
12–18 mm
c)
20–25 mm
d)
25–30 mm
35.
Which type of formwork panel is coated with resin to provide a smooth finish?
a)
Timber
b)
Steel
c)
Plywood
d)
Plastic
36.
Which component in formwork resists horizontal loads during construction?
a)
Bracing
b)
Props
c)
Ties
d)
Studs
37.
Thermo Mechanically Treated (TMT) bars fall under which category of reinforcement?
a)
Mild steel
b)
High strength deformed bars
c)
Structural steel
d)
Wire fabric
38.
Which formwork type is most suitable for curved RCC structures?
a)
Timber
b)
Plywood
c)
Steel
d)
Fabric
39.
How many days should walls' vertical formwork be kept before removal?
a)
1–2 days
b)
3–4 days
c)
5–6 days
d)
7 days
40.
Which IS code specifies thermo mechanically treated bars?
a)
IS 1786
b)
IS 432
c)
IS 456
d)
IS 2062
41.
In reinforced masonry columns, what element ties the masonry at every fourth course?
a)
Steel plates
b)
Bracing
c)
Sheathing
d)
Props
42.
Which formwork type offers highest reuse cycles?
a)
Timber
b)
Plywood
c)
Steel
d)
Plastic
43.
Which term refers to the vertical alignment check in column formwork?
a)
Centering
b)
Propping
c)
Plumb bob
d)
Camber
44.
Plastic formwork is ideal for:
a)
Mass housing
b)
Small repetitive works
c)
Tall columns
d)
Complex curved shapes
45.
In RCC, the development length of bars in compression is calculated as per:
a)
IS 432
b)
IS 456
c)
IS 2502
d)
IS 2062
46.
Assertion (A): Steel formwork provides smooth concrete surfaces.
Reason (R): Steel panels are precisely fabricated with smooth surfaces.
a)
A is true, R is true and R is the correct explanation of A
b)
A is true, R is true but R is not the correct explanation of A
c)
A is true, R is false
d)
A is false, R is true
47.
In formwork, the term 'props' refers to:
a)
Vertical supports
b)
Horizontal bracing
c)
Form ties
d)
Studs
48.
What is the main disadvantage of timber formwork?
a)
High cost
b)
Shorter lifespan
c)
Difficult fabrication
d)
Heavy weight
49.
Which formwork part is designed to be mortar-tight?
a)
Props
b)
Panel joints
c)
Bracing
d)
Ties
50.
Which reinforced masonry element uses filler tiles to reduce concrete volume?
a)
Jack arch roof
b)
RBC slab
c)
Hollow-tile slab
d)
Solid slab
51.
The projected length of hooks in compression bars can be considered for:
a)
Development length
b)
Cover depth
c)
Concrete grade
d)
Shear capacity
52.
Aluminium formwork systems like Mivan are popular because they are:
a)
Heavy and durable
b)
Lightweight and modular
c)
Cheap and disposable
d)
Flexible and reusable
53.
What is the first stage in the process of using formwork?
a)
Concrete placement
b)
Stripping
c)
Assembly and erection
d)
Finishing
54.
In beam formwork, what prevents sagging of slabs?
a)
Camber
b)
Props
c)
Head beams
d)
Bracing
55.
Which factor is most important to ensure economy in formwork?
a)
Use of expensive materials
b)
Maximum reuse of formwork
c)
Minimizing curing time
d)
Avoiding reinforcement
56.
Which part of column formwork is often provided at the base to locate the form accurately?
a)
Prop
b)
Kicker
c)
Brace
d)
Tie
57.
Which reinforcement method in masonry involves embedding steel strips horizontally in mortar joints?
a)
Vertical reinforced core
b)
Hoop iron reinforcement
c)
Bar grouting
d)
Tie bar reinforcement
58.
In beam formwork, why is camber provided in the soffit?
a)
To reduce cost
b)
To compensate for deflection
c)
To allow shrinkage
d)
To reduce weight
59.
What is the primary load resisted by ties in wall formwork?
a)
Vertical load
b)
Wind load
c)
Concrete pressure
d)
Worker load
60.
What is the main advantage of plywood formwork over timber formwork?
a)
Cheaper initial cost
b)
More repetitions possible
c)
Easier to fabricate
d)
Lighter weight
61.
For beams spanning up to 6m, props are removed after:
a)
7 days
b)
14 days
c)
21 days
d)
28 days
62.
Which type of formwork can be used more than 50 times with proper maintenance?
a)
Timber
b)
Steel
c)
Plastic
d)
Plywood
63.
Why is rich mortar (1:3 or 1:4) recommended in reinforced masonry?
a)
Improves bond strength
b)
Reduces cost
c)
Increases thickness
d)
Prevents shrinkage
64.
Which failure cause in formwork is linked to lack of cross bracing?
a)
Shore displacement
b)
Improper stripping
c)
Collapse under horizontal loads
d)
Concrete leakage
65.
Expanded metal mesh reinforcement is typically placed every:
a)
First course
b)
Second course
c)
Third or fourth course
d)
Sixth course
66.
Which type of slab uses parallel brick arches over steel joists?
a)
RBC slab
b)
Hollow-tile slab
c)
Jack arch roof
d)
Solid slab
67.
Which IS code covers bending and fixing of reinforcement bars?
a)
IS 432
b)
IS 456
c)
IS 2502
d)
IS 1786
68.
Which formwork element supports the sheathing to maintain shape?
a)
Studs/Walers
b)
Props
c)
Bracing
d)
Ties
69.
Which is an example of environmental load on formwork?
a)
Worker weight
b)
Stacked materials
c)
Wind pressure
d)
Formwork self-weight
70.
Which reinforcement type can be used without hooks if development length is satisfied?
a)
Plain bars
b)
Deformed bars
c)
TMT bars
d)
Wire fabric
71.
What is the cost of formwork as a percentage of total concrete structure cost?
a)
5–10%
b)
15–20%
c)
20–25%
d)
25–30%
72.
Which IS code covers structural steel for use in RCC?
a)
IS 2062
b)
IS 432
c)
IS 1786
d)
IS 456
73.
In formwork, what is the function of sheathing?
a)
Hold form sides together
b)
Directly shape the concrete surface
c)
Provide vertical support
d)
Prevent water ingress
74.
Why is crude oil applied to formwork surfaces before concreting?
a)
Improve bond with concrete
b)
Reduce leakage
c)
Ease removal after setting
d)
Increase strength
75.
Which formwork type has the lowest initial cost?
a)
Steel
b)
Timber
c)
Plywood
d)
Plastic
76.
Props for arches spanning over 6m should be removed after:
a)
14 days
b)
21 days
c)
28 days
d)
7 days
77.
In reinforced masonry, which bar diameter is common for stirrups?
a)
4 mm
b)
5 mm
c)
6 mm
d)
8 mm
78.
What is the typical spacing of clamps or yokes in column formwork?
a)
0.25–0.5 m
b)
0.5–1.0 m
c)
1.0–1.5 m
d)
1.5–2.0 m
79.
Which type of reinforcement is embedded in brick masonry to improve tensile strength?
a)
Horizontal steel strips
b)
Vertical deformed bars
c)
Wire mesh
d)
All of the above
80.
Which formwork material is most modular and suited for mass housing projects?
a)
Steel
b)
Aluminium
c)
Timber
d)
Plastic
81.
Why should reinforcement bars have cover in masonry?
a)
Increase strength
b)
Prevent corrosion
c)
Reduce weight
d)
Improve bond
82.
Which part of formwork prevents lateral deformation?
a)
Bracing
b)
Studs
c)
Props
d)
Ties
83.
What is the purpose of a clean-out hole in column formwork?
a)
Drain water
b)
Remove debris
c)
Fix reinforcement
d)
Insert concrete
84.
Which slab type uses bricks laid in multiple courses with steel bars in between?
a)
Jack arch roof
b)
RBC slab
c)
Hollow-tile slab
d)
Solid slab
85.
Which IS code specifies mild steel and medium tensile steel bars?
a)
IS 432 Part I
b)
IS 2062
c)
IS 1786
d)
IS 2502
86.
Formwork for soffit to slabs is removed after:
a)
1–2 days
b)
3 days
c)
7 days
d)
14 days
87.
Why is fabric formwork used for special shapes?
a)
Low cost
b)
Flexibility of material
c)
High strength
d)
Ease of reuse
88.
Which element in formwork transfers load to the ground?
a)
Props
b)
Bracing
c)
Sheathing
d)
Ties
89.
Which type of formwork is best suited for producing a high-quality concrete finish repeatedly?
a)
Timber
b)
Steel
c)
Plywood
d)
Plastic
90.
For spans over 4.5 m, the props to slabs should be removed after how many days?
a)
7 days
b)
14 days
c)
21 days
d)
28 days
91.
What is the main reason for using aluminium formwork in high-rise buildings?
a)
Low cost
b)
Light weight and modularity
c)
High corrosion resistance
d)
Thermal insulation
92.
In RCC, what does IS 456 specify apart from design guidelines?
a)
Bar bending schedules
b)
Anchorage lengths
c)
Mix proportions
d)
All of the above
93.
What is the primary purpose of camber in long-span beams?
a)
Reduce load
b)
Prevent water ponding
c)
Compensate for deflection
d)
Increase aesthetics
94.
Which type of load on formwork results from workers and equipment?
a)
Dead load
b)
Imposed load
c)
Environmental load
d)
Concrete load
95.
Which reinforcement type is placed within vertical grooves in brick masonry?
a)
Horizontal mesh
b)
Vertical reinforced core
c)
Hoop iron strips
d)
Wire mesh reinforcement
96.
Why is a kicker provided in column construction?
a)
Drain excess water
b)
Align and fix column formwork
c)
Reduce form pressure
d)
Increase height
97.
What is the typical thickness of structural plywood used in formwork?
a)
6–10 mm
b)
12–18 mm
c)
20–25 mm
d)
25–30 mm
98.
What is the advantage of filler slabs in RCC construction?
a)
Reduce steel consumption
b)
Reduce concrete volume and weight
c)
Increase slab strength
d)
Improve aesthetics
99.
Which IS code provides specifications for high strength deformed bars?
a)
IS 432
b)
IS 2062
c)
IS 1786
d)
IS 1566
100.
Which component of formwork ensures correct slab thickness?
a)
Sheathing
b)
Props
c)
Side forms
d)
Ties
101.
Which load on formwork can be caused by vibration of concrete?
a)
Dead load
b)
Horizontal load
c)
Imposed load
d)
Environmental load
102.
Which type of formwork is most cost-effective for small projects?
a)
Steel
b)
Timber
c)
Aluminium
d)
Plastic
103.
Why should formwork joints be mortar-tight?
a)
Improve aesthetics
b)
Prevent leakage of fresh concrete
c)
Increase curing time
d)
Reduce labour
104.
What is the IS code for high drawn steel wire fabric?
a)
IS 1566
b)
IS 2062
c)
IS 1786
d)
IS 456
105.
Which formwork component connects opposite sides of a wall form?
a)
Bracing
b)
Props
c)
Ties
d)
Studs
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