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WorksheetsD73 MASTER THE DAY
Total questions: 100
Worksheet time: 2hrs 40mins
Name
Class
Date
1.
Which of the following is NOT a type of rivet head?
a)
Snap head
b)
Pan head
c)
Countersunk head
d)
Flange head
2.
Which property of rivets allows the shank to fill the hole completely during driving?
a)
Plasticity
b)
Elasticity
c)
Brittleness
d)
Hardness
3.
In riveted joints, the line joining the centers of rivets along the load direction is called:
a)
Gauge line
b)
Pitch line
c)
Rivet line
d)
Back line
4.
Numerical: Calculate pitch if thinner plate thickness t = 12 mm (tension member).
a)
120 mm
b)
150 mm
c)
192 mm
d)
200 mm
5.
Which formula for rivet diameter is represented as d = √(50t - 2)?
a)
Unwin's formula
b)
French formula
c)
German formula
d)
Indian Standard formula
6.
The rivet value is governed by:
a)
Shear strength only
b)
Bearing strength only
c)
Minimum of shear or bearing strength
d)
Bending strength only
7.
Which failure occurs when rivets are placed too close to the edge of the plate?
a)
Shearing of rivet
b)
Cracking of plate edge
c)
Bending of rivet
d)
Fatigue failure
8.
Assertion (A): Riveted joints are weaker than welded joints.
Reason (R): Riveted joints require holes which reduce the net cross-section.
a)
Both A and R are true, and R is the correct explanation of A
b)
Both A and R are true, but R is not the correct explanation of A
c)
A is true but R is false
d)
A is false but R is true
9.
Which type of riveted joint uses rivets in parallel rows directly opposite each other?
a)
Zig-zag riveting
b)
Chain riveting
c)
Lap joint
d)
Single cover butt joint
10.
For a rivet of nominal diameter 22 mm , find the gross diameter.
a)
23 mm
b)
23.5 mm
c)
24 mm
d)
25 mm
11.
The distance between two gauge lines is called:
a)
Edge distance
b)
Gauge distance
c)
End distance
d)
Pitch distance
12.
Which riveted joint is most commonly used in boiler construction?
a)
Lap joint
b)
Single cover butt joint
c)
Double cover butt joint
d)
Triple riveted lap joint
13.
The main disadvantage of riveted joints compared to welded joints is:
a)
Heavier joints
b)
Permanent connection
c)
Ease of fabrication
d)
Ability to join dissimilar metals
14.
The tearing strength of a plate in a riveted joint depends on:
a)
Pitch, diameter of rivet and thickness of plate
b)
Only thickness of plate
c)
Only rivet diameter
d)
Only pitch
15.
Which rivet type is provided at intervals along compression members with double angles?
a)
Tacking rivet
b)
Chain rivet
c)
Zig-zag rivet
d)
Shop rivet
16.
Numerical: Calculate the rivet diameter using French formula for t = 12 mm.
a)
20 mm
b)
22 mm
c)
24 mm
d)
25 mm
17.
Which of the following is an advantage of riveted joints over welding?
a)
Can be used for dissimilar metals
b)
No noise during fabrication
c)
No reduction in cross-section
d)
Lighter joints
18.
Which failure occurs if rivet is very long compared to its diameter?
a)
Shear failure
b)
Bending failure
c)
Crushing failure
d)
Tearing failure
19.
Which of the following is NOT true about riveted connections?
a)
They are permanent connections
b)
They are noiseless during fabrication
c)
They can connect non-metallic members
d)
They require skilled labor
20.
Which part of the rivet is deformed during riveting to form a second head?
a)
Head
b)
Tail
c)
Shank
d)
Neck
21.
At what temperature range are rivets usually driven into plates?
a)
100–300°C
b)
300–500°C
c)
550–1000°C
d)
1000–1200°C
22.
Which is the minimum number of rivets required in a joint to resist eccentric loads?
a)
1
b)
2
c)
3
d)
4
23.
Which type of stress is primarily resisted by rivets in lap joints?
a)
Bending stress
b)
Shear stress
c)
Bearing stress
d)
Tensile stress
24.
In a riveted joint, if rivet spacing is too large, the joint may fail by:
a)
Shearing of rivet
b)
Tearing of plate
c)
Crushing of rivet
d)
Bending of rivet
25.
Assertion (A): Double cover butt joints are stronger than single cover butt joints.
Reason (R): The applied force is shared by two cover plates in double cover butt joints.
a)
Both A and R are true, and R is the correct explanation of A
b)
Both A and R are true, but R is not the correct explanation of A
c)
A is true but R is false
d)
A is false but R is true
26.
What is the usual range of nominal diameters available for rivets?
a)
8–16 mm
b)
10–20 mm
c)
12–33 mm
d)
15–40 mm
27.
Which type of riveted joint is formed by connecting two plates end to end with a cover plate?
a)
Lap joint
b)
Butt joint
c)
Zig-zag joint
d)
Chain joint
28.
For a rivet dia = 25 mm, find hole dia (since ≤ 25 mm).
a)
26 mm
b)
26.5 mm
c)
27 mm
d)
27.5 mm
29.
Which type of rivet joint is most economical for fabrication?
a)
Lap joint
b)
Single cover butt joint
c)
Double cover butt joint
d)
Zig-zag joint
30.
Which rivet head type has diameter ≈ 1.6d and height ≈ 0.7d?
a)
Snap head
b)
Pan head
c)
Both A and B
d)
Countersunk head
31.
Which is the main reason why riveting process is gradually replaced by welding?
a)
Welding is cheaper and faster
b)
Welding requires less skill
c)
Riveting is noiseless
d)
Riveted joints are temporary
32.
Which rivet failure is caused when rivet length to diameter ratio is large?
a)
Shearing
b)
Bending
c)
Crushing
d)
Tearing
33.
The advantage of zig-zag riveting over chain riveting is:
a)
Higher efficiency
b)
Lower efficiency
c)
Cheaper fabrication
d)
Less leakage
34.
Which type of riveted joint is used where flush surface is needed on one side?
a)
Snap head rivet joint
b)
Countersunk rivet joint
c)
Pan head rivet joint
d)
Zig-zag rivet joint
35.
The process of riveting is considered noisy mainly due to:
a)
Hammering of rivet
b)
Heating of rivet
c)
Cooling of rivet
d)
Drilling holes
36.
Which type of joint uses rivets to connect two plates with overlapping portions?
a)
Butt joint
b)
Lap joint
c)
Cover joint
d)
Splice joint
37.
Which formula is generally used to calculate rivet diameter for thin plates (<15 mm)?
a)
German formula
b)
French formula
c)
Unwin's formula
d)
IS code formula
38.
Which is the main advantage of riveted connections compared to bolted connections?
a)
Easier fabrication
b)
Permanent joint
c)
No need for holes
d)
Reusable
39.
What is the minimum pitch distance allowed in riveted joints as per IS 800?
a)
2d
b)
2.5d
c)
3d
d)
4d
40.
Which type of rivet is mostly used when clearance is limited and a flat head is needed?
a)
Pan head rivet
b)
Snap head rivet
c)
Countersunk rivet
d)
Flat head rivet
41.
Assertion (A): Riveted joints are suitable for dynamic loads.
Reason (R): They can redistribute stresses due to slight movement between plates.
a)
Both A and R are true, and R is the correct explanation of A
b)
Both A and R are true, but R is not the correct explanation of A
c)
A is true but R is false
d)
A is false but R is true
42.
Which type of riveted joint uses rivets arranged in a zig-zag manner?
a)
Chain riveting joint
b)
Lap joint
c)
Zig-zag riveting joint
d)
Double cover butt joint
43.
Which is a disadvantage of riveted joints compared to welded joints?
a)
Higher fabrication cost
b)
Ease of fabrication
c)
Ability to join dissimilar metals
d)
Permanent connection
44.
Which rivet is used mainly for light structures and thin plates?
a)
Cold rivet
b)
Hot rivet
c)
Countersunk rivet
d)
Flat rivet
45.
Numerical: For t = 15 mm, calculate rivet diameter using French formula.
a)
24 mm
b)
26.5 mm
c)
27 mm
d)
28 mm
46.
What is the main purpose of tacking rivets?
a)
Transfer full load
b)
Hold members together
c)
Provide aesthetic appearance
d)
Reduce weight
47.
Failure of rivet due to crushing occurs when:
a)
Bearing stress exceeds rivet strength
b)
Shear stress exceeds plate strength
c)
Pitch is too large
d)
Edge distance is too large
48.
Which IS standard specifies welding symbols relevant to riveted joints?
a)
IS 1363
b)
IS 813
c)
IS 800
d)
IS 1929
49.
Numerical: For rivet diameter 18 mm, calculate gross diameter (d ≤ 25 mm).
a)
19 mm
b)
19.5 mm
c)
20 mm
d)
20.5 mm
50.
Which type of riveted joint is most commonly used in railway bridges?
a)
Lap joint
b)
Butt joint
c)
Double cover butt joint
d)
Single cover butt joint
51.
Which property of riveted joints makes them less efficient than welded joints?
a)
They require skilled labor
b)
Presence of drilled holes reduces net section
c)
They can connect dissimilar metals
d)
They are permanent
52.
Numerical: For plate thickness t = 25 mm, calculate rivet dia using German formula.
a)
34 mm
b)
35 mm
c)
√1248 mm
d)
√1233mm
53.
The main function of rivet heads is:
a)
To improve aesthetics
b)
To prevent slipping of plates
c)
To provide clamping action
d)
To increase shear capacity
54.
Which type of joint is economical but weaker than butt joints?
a)
Lap joint
b)
Double cover butt joint
c)
Single cover butt joint
d)
Welded joint
55.
Numerical: Calculate rivet dia using Unwin’s formula for t = 9 mm.
a)
17 mm
b)
18.1 mm
c)
19.34 mm
d)
20 mm
56.
Which IS standard covers specifications for rivet bars?
a)
IS 1929
b)
IS 2155
c)
IS 1149
d)
IS 1786
57.
Assertion (A): Edge distance in riveted joints should be too small. Reason (R): Small edge distance prevents cracking of plates at the edge.
a)
Both A and R are true, and R is the correct explanation of A
b)
Both A and R are true, but R is not the correct explanation of A
c)
A is true but R is false
d)
A is false R is false
58.
Which joint uses two cover plates on both sides of the main plates?
a)
Single cover butt joint
b)
Double cover butt joint
c)
Lap joint
d)
Splice joint
59.
For a rivet of nominal diameter 28 mm ,calculate gross hole diameter.
a)
29 mm
b)
29.5 mm
c)
30 mm
d)
31 mm
60.
Which type of stress may cause crushing failure in riveted joints?
a)
Bearing stress
b)
Shear stress
c)
Tensile stress
d)
Bending stress
61.
Which rivet type is mostly used in boiler shells and pressure vessels?
a)
Snap head rivet
b)
Countersunk rivet
c)
Pan head rivet
d)
Flat head rivet
62.
Which rivet type provides a smooth surface on both sides?
a)
Snap head rivet
b)
Countersunk rivet
c)
Pan head rivet
d)
Flush rivet
63.
The main disadvantage of lap joints compared to butt joints is:
a)
Require cover plates
b)
Higher weight
c)
Eccentric loading
d)
Harder fabrication
64.
Assertion (A): Tacking rivets do not carry main load.
Reason (R): They are only provided to keep sections in position.
a)
Both A and R are true, and R is the correct explanation of A
b)
Both A and R are true, but R is not the correct explanation of A
c)
A is true but R is false
d)
A is false but R is true
65.
Numerical: Calculate rivet dia by Unwin’s formula for t = 4mm.
a)
12.02 mm
b)
15 mm
c)
16 mm
d)
17 mm
66.
Which of the following is NOT an advantage of riveted joints?
a)
Dissimilar materials can be joined
b)
Permanent joint
c)
Noiseless fabrication
d)
Low maintenance cost
67.
Which process is used to join plates permanently with rivets?
a)
Bolting
b)
Riveting
c)
Welding
d)
Soldering
68.
In riveted joints, which failure is most likely if pitch is too small?
a)
Tearing of plate
b)
Shearing of rivet
c)
Crushing of rivet
d)
Bending of rivet
69.
Numerical: For a 30 mm rivet (>25 mm), calculate gross hole diameter.
a)
31 mm
b)
31.5 mm
c)
32 mm
d)
33 mm
70.
Which of the following rivet heads is commonly used in structural steelwork?
a)
Flat head
b)
Pan head
c)
Snap head
d)
Countersunk head
71.
Statement: Riveted joints are noiseless and easy to dismantle. Select the correct option.
a)
Statement is correct
b)
Statement is incorrect
c)
Partially correct
d)
Depends on rivet size
72.
Which type of riveted joint is used when cover plate is provided only on one side?
a)
Single cover butt joint
b)
Double cover butt joint
c)
Lap joint
d)
Zig-zag joint
73.
Numerical: Calculate rivet dia by German formula for t = 12 mm.
a)
√598 mm
b)
25 mm
c)
√420 mm
d)
26 mm
74.
Which of the following joints is stronger?
a)
Lap joint
b)
Single cover butt joint
c)
Double cover butt joint
d)
Chain riveted lap joint
75.
Which property of rivets ensures tight clamping after cooling?
a)
Thermal expansion and contraction
b)
High tensile strength
c)
Plasticity
d)
Elasticity
76.
Numerical: For plate thickness = 8 mm, calculate rivet dia by French formula.
a)
15 mm
b)
16 mm
c)
17 mm
d)
18 mm
77.
Which riveted joint is commonly used in shipbuilding and pressure vessels?
a)
Single riveted lap joint
b)
Double riveted lap joint
c)
Triple riveted lap joint
d)
Double cover butt joint
78.
Which rivet type is not used when a flush surface is required?
a)
Snap head
b)
Countersunk head
c)
Flush rivet
d)
None of the above
79.
Which of the following is an IS standard for rivet dimensions?
a)
IS 1363
b)
IS 1929
c)
IS 1786
d)
IS 456
80.
Numerical: For rivet dia = 24 mm (≤25 mm), find hole dia.
a)
25.5 mm
b)
26 mm
c)
26.5 mm
d)
27 mm
81.
Which failure occurs when rivet shank is crushed by bearing stress of plate?
a)
Shear failure
b)
Crushing failure
c)
Tearing failure
d)
Bending failure
82.
Which riveted joint efficiency is generally highest?
a)
Lap joint
b)
Single cover butt joint
c)
Double cover butt joint
d)
Single riveted lap joint
83.
What is the main reason riveted joints are still used in some cases?
a)
They are noiseless
b)
They are reusable
c)
They allow joining of dissimilar materials
d)
They reduce cost
84.
Numerical: For plate thickness = 14 mm, calculate rivet dia using French formula.
a)
22 mm
b)
24 mm
c)
25 mm
d)
26 mm
85.
Which part of rivet holds plates together after cooling?
a)
Tail
b)
Head
c)
Shank
d)
All of the above
86.
Numerical: For rivet dia = 12 mm (≤25 mm), calculate hole dia.
a)
13 mm
b)
13.5 mm
c)
14 mm
d)
14.5 mm
87.
Which of the following is NOT a type of riveted joint?
a)
Lap joint
b)
Butt joint
c)
Corner joint
d)
Double cover butt joint
88.
Which riveted joint is commonly used in railway girders?
a)
Lap joint
b)
Double cover butt joint
c)
Single cover butt joint
d)
Chain riveted joint
89.
Which IS standard covers rivet heads and dimensions?
a)
IS 800
b)
IS 1367
c)
IS 1929
d)
IS 1149
90.
Which type of riveted joint uses rivets in rows directly opposite each other?
a)
Zig-zag riveting
b)
Chain riveting
c)
Single riveted lap joint
d)
Single cover butt joint
91.
Which property of riveted joints makes them more reliable under fatigue?
a)
Redistribution of stresses
b)
High tensile strength
c)
Flush heads
d)
Cheaper fabrication
92.
Numerical: For rivet dia = 16 mm (≤25 mm), calculate hole dia.
a)
17 mm
b)
17.5 mm
c)
18 mm
d)
18.5 mm
93.
Which riveted joint is best suited for high pressure boilers?
a)
Single riveted lap joint
b)
Double riveted lap joint
c)
Triple riveted lap joint
d)
Single cover butt joint
94.
Which failure occurs if rivets are placed too close to each other?
a)
Tearing of plate
b)
Shearing of rivet
c)
Crushing of rivet
d)
Fatigue failure
95.
Which rivet type is used when surface must be completely smooth?
a)
Snap head
b)
Countersunk head
c)
Flush rivet
d)
Pan head
96.
Numerical: For plate thickness = 22 mm, calculate rivet dia using French formula.
a)
35 mm
b)
36 mm
c)
37 mm
d)
38 mm
97.
Which IS code specifies permissible stresses for rivets?
a)
IS 1367
b)
IS 800
c)
IS 1929
d)
IS 2155
98.
Which type of riveted joint uses rivets staggered in alternate rows?
a)
Chain riveting
b)
Lap joint
c)
Zig-zag riveting
d)
Single cover butt joint
99.
Numerical: For rivet dia = 20 mm, calculate gross dia.
a)
21 mm
b)
21.5 mm
c)
22 mm
d)
22.5 mm
100.
Which property of riveted joints makes them still useful in structural retrofitting?
a)
Reusable
b)
Strong in fatigue loading
c)
Cheap fabrication
d)
No skill required
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