WorksheetsSOM - 3 . SPRINGS
Total questions: 35
Worksheet time: 18mins
Name
Class
Date
1.
A __________ is a device in which the material is arranged in such a way that it can undergo a considerable change, without getting permanent distorted.
a)
SPRING
b)
COLUMN
c)
STRUT
d)
BEAM
2.
A __________ is used to absorb energy due to resilience, which may be restored as and when required.
a)
STRUT
b)
BEAM
c)
SPRING
d)
COLUMN
3.
_____________ is a capacity of a material to absorb energy elastically, when body is loaded within elastic limit, it changes its dimension, and on removal of load it regains its original dimensions.
a)
Stiffness
b)
Resilience
c)
plasticity
d)
none of the above
4.
Material with high _________ is used for springs
a)
Stiffness
b)
Resilience
c)
plasticity
d)
none of the above
5.
_______________ springs may be full elliptic, semi elliptic or cantilever types
a)
Bending
b)
Torsion
c)
Helical
d)
none of the above
6.
In these type of springs the major stresses which come into picture are tensile & compressive( Bending).
a)
Bending
b)
Torsion
c)
Helical
d)
none of the above
7.
Laminated spring or Leaf spring
a)
Bending
b)
Torsion
c)
Helical
d)
none of the above
8.
Laminated spring are also called as
a)
Torsion Spring
b)
Leaf Spring
c)
Open coil Helical Spring
d)
Close coil Helical Spring
9.
Helical spring is an example of ___________________
a)
Bending Spring
b)
Torsion Spring
c)
Leaf Spring
d)
Laminated Spring
10.
As compared to the tension and compression springs where the applied load is an axial force, the load applied to a torsion spring is a torque or twisting force
a)
Bending Spring
b)
Torsion Spring
c)
Leaf Spring
d)
Laminated Spring
11.
A __________ is a simple form of spring commonly used for the suspension in wheeled vehicles.
a)
Torsion Spring
b)
Leaf Spring
c)
Open coil Helical Spring
d)
Close coil Helical Spring
12.
A ________ is also called as carriage spring, and sometimes referred to as a semi-elliptical spring or cart spring,
a)
Torsion Spring
b)
Leaf Spring
c)
Open coil Helical Spring
d)
Close coil Helical Spring
13.
___________________ Spring also called Tension or Extension Spring
a)
Torsion Spring
b)
Leaf Spring
c)
Open coil Helical Spring
d)
Close coil Helical Spring
14.
___________________ Spring also called Compression Spring
a)
Torsion Spring
b)
Leaf Spring
c)
Open coil Helical Spring
d)
Close coil Helical Spring
15.
Rebound clips are used in __________
a)
Torsion Spring
b)
Leaf Spring
c)
Open coil Helical Spring
d)
Close coil Helical Spring
16.
________________ is a mechanical item which is typically used to absorb shock, resist sudden force or load between two devices.
a)
Leaf Spring
b)
Bending Spring
c)
Laminated Spring
d)
Helical Spring
17.
open coil and close coil springs are the example of
a)
Leaf Spring
b)
Bending Spring
c)
Laminated Spring
d)
Helical Spring
18.
Closed Coil Helical Spring also called Tension or Extension Spring
a)
Tension Spring
b)
Extension Spring
c)
Both A and B
d)
none of the above
19.
In car springs, railway buffers, vibration dampers ____________ Springs is used
a)
Leaf Spring
b)
Laminated Spring
c)
Carriage Spring
d)
All the above
20.
In __________ spring, the spring wire is coiled in such a way, that there is large gap between the two consecutive turns
a)
Torsion Spring
b)
Leaf Spring
c)
Open coil Helical Spring
d)
Close coil Helical Spring
21.
the length of the wire, l = __________________
a)
Length of one coil x number of coils
b)
Length of one coil - number of coils
c)
Length of one coil + number of coils
d)
Length of one coil / number of coils
22.
twisting moment (Torque) T= _________
a)
W - R
b)
W + R
c)
W / R
d)
W x R
23.
Deflection of the spring, ∂ =
a)
R x Ɵ
b)
R + Ɵ
c)
R - Ɵ
d)
R / Ɵ
24.
stiffness of the spring, S=___________
a)
W x ∂
b)
W - ∂
c)
W/∂
d)
W + ∂
25.
Strain Energy stored, U = ____________
a)
W / 2 ∂
b)
2W / ∂
c)
(W x ∂ ) / 2
d)
2 x W x ∂
26.
If Stiffness of the Spring is 9.5N/mm and Deflection is 40mm, Calculate the Force applied, W = _________
a)
320 N
b)
360 N
c)
380 N
d)
340 N
27.
If Stiffness of the Spring is 10N/mm and Force applied is 360N, Calculate the Deflection, ∂ =_______________
a)
32 mm
b)
36 mm
c)
34 mm
d)
38 mm
28.
If Force applied is 360N and Deflection is 40mm, Calculate the Energy Stored, U = _________________
a)
7200 Nmm
b)
14400 Nmm
c)
144 Nmm
d)
72 Nmm
29.
If Force applied is 300N and Deflection is 20mm, Calculate the Energy Stored, U = _________________
a)
320 Nmm
b)
3000 Nmm
c)
6000 Nmm
d)
600 Nmm
30.
If Deflection, ∂ is 36mm and Force applied is 360N, Calculate the Stiffness of the Spring,S =_______________
a)
10 N/mm
b)
396 N/mm
c)
324 N/mm
d)
none of the above
31.
Length of wire, l =
a)
2ΠRn
b)
2ΠR / n
c)
2Π / Rn
d)
2ΠR + n
32.
Length of wire, l = 2ΠRn, R is
a)
Radius of the Spring
b)
Radius of the Wire
c)
Radius of the Coil
d)
none of the above
33.
Length of wire, l = 2ΠRn, n is
a)
Number of Turns
b)
Number of Coils
c)
Both A and B
d)
none of the above
34.
If Radius of the Coil is 70mm and the No. of Turns is 20 Calculate the Length of wire, l =
a)
8800 mm
b)
880 mm
c)
800 mm
d)
none of the above
35.
If Radius of the Coil is 20mm and the No. of Turns is 7 Calculate the Length of wire, l =
a)
8800 mm
b)
880 mm
c)
800 mm
d)
none of the above
100 %
