Why are mechanical springs used? a. To apply force b. To store energy c. To measure force d. All of the above

Why are mechanical springs used?
a. To apply force
b. To store energy
c. To measure force
d. All of the above
by

1 Answer

Answer :

d. All of the above
by

Related questions

The springs in brakes and clutches are used (a) To apply forces (b) To measure forces (c) To absorb shocks (d) To absorb strain energy

Description : The springs in brakes and clutches are used (a) To apply forces (b) To measure forces (c) To absorb shocks (d) To absorb strain energy

Last Answer : (a) To apply forces

The springs in brakes and clutches are used (a) To apply forces (b) To measure forces (c) To absorb shocks (d) To absorb strain energy

Description : The springs in brakes and clutches are used (a) To apply forces (b) To measure forces (c) To absorb shocks (d) To absorb strain energy

Last Answer : (a) To apply forces

In spring balances, the spring is used (a) To apply forces (b) To absorb shocks (c) To store strain energy (d) To measure forces

Description : In spring balances, the spring is used (a) To apply forces (b) To absorb shocks (c) To store strain energy (d) To measure forces

Last Answer : (d) To measure forces

In spring balances, the spring is used (a) To apply forces (b) To absorb shocks (c) To store strain energy (d) To measure forces

Description : In spring balances, the spring is used (a) To apply forces (b) To absorb shocks (c) To store strain energy (d) To measure forces

Last Answer : (d) To measure forces

The shear stress concentration factor (Ks) in mechanical springs is given as _____ a. (1 + 0.5 / C) b. 0.615 / C c. (1 + 0.615 / C) d. [(4C – 1) / (4C + 1)] + [0.615 / C]

Description : The shear stress concentration factor (Ks) in mechanical springs is given as _____ a. (1 + 0.5 / C) b. 0.615 / C c. (1 + 0.615 / C) d. [(4C – 1) / (4C + 1)] + [0.615 / C]

Last Answer : a. (1 + 0.5 / C)

A concentric spring consists of 2 sprigs of diameter 10mm and 4mm. The net force acting on the composite spring is 5000N. Find the force acting on each of the two springs. (a) 1232.2N and 3767.8N (b) 786.4N and 4213.6N (c) 689.7N and 4310.3N (d) 645.3N and 4354.7N

Description : A concentric spring consists of 2 sprigs of diameter 10mm and 4mm. The net force acting on the composite spring is 5000N. Find the force acting on each of the two springs. (a) 1232.2N and 3767.8N (b) 786.4N and 4213.6N (c) 689.7N and 4310.3N (d) 645.3N and 4354.7N

Last Answer : (c) 689.7N and 4310.3N

When two Belleville springs are in parallel, half force is obtained for a given deflection. (a) Half force (b) Double force (c) Same force (d) Can’t be determined

Description : When two Belleville springs are in parallel, half force is obtained for a given deflection. (a) Half force (b) Double force (c) Same force (d) Can’t be determined

Last Answer : (b) Double force

A railway wagon moving with a speed of 1.5m/s is brought to rest by bumper consisting of two springs. Mass of wagon is 100kg. The springs are compressed by 125mm. Calculate the maximum force acting on each spring. a) 1200N b) 1500N c) 1800N d) 2000N

Description : A railway wagon moving with a speed of 1.5m/s is brought to rest by bumper consisting of two springs. Mass of wagon is 100kg. The springs are compressed by 125mm. Calculate the maximum force acting on each spring. a) 1200N b) 1500N c) 1800N d) 2000N

Last Answer : c) 1800N

Springs are used, (A) To absorb shocks and vibrations (B) To store and release energy (C) To measure force (D) For any of the above functions

Description : Springs are used, (A) To absorb shocks and vibrations (B) To store and release energy (C) To measure force (D) For any of the above functions

Last Answer : (D) For any of the above functions

------------ are called cantilever laminated springs (a) Semi-elliptical springs (b) quarter elliptical springs (c) both (a) and (b) (d) none (Ans: b)

Description : ------------ are called cantilever laminated springs (a) Semi-elliptical springs (b) quarter elliptical springs (c) both (a) and (b) (d) none (Ans: b)

Last Answer : (b) quarter elliptical springs

The type of spring used to achieve greater load carrying capacity within given space is (a)spiral spring (b) springs in series (c)multi-leaf spring (d) concentric spring

Description : The type of spring used to achieve greater load carrying capacity within given space is (a)spiral spring (b) springs in series (c)multi-leaf spring (d) concentric spring

Last Answer : (d) concentric spring

In leaf springs the longest leaf is known as (a) Lower leaf (b) Master leaf (c) Upper leaf (d) None of these

Description : In leaf springs the longest leaf is known as (a) Lower leaf (b) Master leaf (c) Upper leaf (d) None of these

Last Answer : (b) Master leaf

Laminated springs are used in (a) Watches (b) Sofas (c) Motorcycles (d) None

Description : Laminated springs are used in (a) Watches (b) Sofas (c) Motorcycles (d) None

Last Answer : (d) None

The following is a type of leaf springs (a) three Quarter elliptic (b) semi elliptic (c) quarter elliptic (d) all of the above

Description : The following is a type of leaf springs (a) three Quarter elliptic (b) semi elliptic (c) quarter elliptic (d) all of the above

Last Answer : (d) all of the above

Coil springs absorb shocks by (a) bending (b) twisting (c) compression (d) tension

Description : Coil springs absorb shocks by (a) bending (b) twisting (c) compression (d) tension

Last Answer : (c) compression

Leaf springs absorb shocks by (a) bending (b) twisting (c) compression (d) tension

Description : Leaf springs absorb shocks by (a) bending (b) twisting (c) compression (d) tension

Last Answer : a) bending

The laminated springs are given initial curvature (a) To have uniform strength (b) To make it more economical (c) So that plates may become flat, when subjected to design load (d) None of these

Description : The laminated springs are given initial curvature (a) To have uniform strength (b) To make it more economical (c) So that plates may become flat, when subjected to design load (d) None of these

Last Answer : (c) So that plates may become

eaf springs are designed on the basis of (a) Maximum bending stresses (b) Maximum deflection (c) Maximum bending as well as maximum deflection (d) None

Description : eaf springs are designed on the basis of (a) Maximum bending stresses (b) Maximum deflection (c) Maximum bending as well as maximum deflection (d) None

Last Answer : (c) Maximum bending as well as maximum deflection

Leaf springs use (a) All full length leaves (b) All leaves of different lengths (c) Few full length leaves with truncated leaves (d) None

Description : Leaf springs use (a) All full length leaves (b) All leaves of different lengths (c) Few full length leaves with truncated leaves (d) None

Last Answer : (c) Few full length leaves with truncated leaves

Leaf springs are used in (a) Scooters (b) Bikes (c) Trucks (d) None

Description : Leaf springs are used in (a) Scooters (b) Bikes (c) Trucks (d) None

Last Answer : (c) Trucks

Springs with rectangular or square cross section used for a. higher stiffness b. larger volume c. larger length d. smaller length

Description : Springs with rectangular or square cross section used for a. higher stiffness b. larger volume c. larger length d. smaller length

Last Answer : b. larger volume

Two concentric springs with stiffness equal to 100 N/mm and 80 N/mm respectively, when subjected to load of 900N will deflect by a. 9mm b. 11.25 mm c. 5mm d. 31.5 mm

Description : Two concentric springs with stiffness equal to 100 N/mm and 80 N/mm respectively, when subjected to load of 900N will deflect by a. 9mm b. 11.25 mm c. 5mm d. 31.5 mm

Last Answer : c. 5mm

Music wires are concerned with a. musical instruments b. tuning forks c. springs d. measuring instruments

Description : Music wires are concerned with a. musical instruments b. tuning forks c. springs d. measuring instruments

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Coil springs absorb shocks by (A) bending (B) twisting (C) compression (D) tension

Description : Coil springs absorb shocks by (A) bending (B) twisting (C) compression (D) tension

Last Answer : (C) compression

Laminated springs are used in (a) Watches (b) Sofas (c) Motorcycles (d) None

Description : Laminated springs are used in (a) Watches (b) Sofas (c) Motorcycles (d) None

Last Answer : (d) None

Wahl’s stress concentration factor is used in close coiled springs under axial load to account for (a) Shear effect (b) Bending effect (c) Compression effect (d) none

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When two helical springs of equal lengths are arranged to form a cluster spring, then a. Shear stress in each spring will be equal b. Load taken by each spring will be half the total load c. Only A is correct d. Both A and B is correct

Description : When two helical springs of equal lengths are arranged to form a cluster spring, then a. Shear stress in each spring will be equal b. Load taken by each spring will be half the total load c. Only A is correct d. Both A and B is correct

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Which type of springs have only active coils? a. Helical compression springs b. Helical tension springs c. Both a. and b. d. None of the above

Description : Which type of springs have only active coils? a. Helical compression springs b. Helical tension springs c. Both a. and b. d. None of the above

Last Answer : b. Helical tension springs

Solid length for helical compression springs having square and ground ends is given as _________. a. (n + 2)d b. (n + 3)d c. (n + 1)d d. None of the above

Description : Solid length for helical compression springs having square and ground ends is given as _________. a. (n + 2)d b. (n + 3)d c. (n + 1)d d. None of the above

Last Answer : a. (n + 2)d

Free length for helical compression springs having square ends is given as ________. a.pn + 2d b.pn + 3d c. 2(p + d) d.pn + 4d

Description : Free length for helical compression springs having square ends is given as ________. a.pn + 2d b.pn + 3d c. 2(p + d) d.pn + 4d

Last Answer : b.pn + 3d

Two close-coiled helical springs are equal in all respects except the number of turns. If the number of turns are in the ratio of 2:3, then the stiffness of the spring will be in the ratio of (a) 2:3 (b) 4:9 (c) 3:2 (d) 9:4

Description : Two close-coiled helical springs are equal in all respects except the number of turns. If the number of turns are in the ratio of 2:3, then the stiffness of the spring will be in the ratio of (a) 2:3 (b) 4:9 (c) 3:2 (d) 9:4

Last Answer : (c) 3:2

A close –coiled helical spring is cut into two equal parts. The stiffness of the resulting springs will be (a) same (b) double (c) half (d) One-fourth

Description : A close –coiled helical spring is cut into two equal parts. The stiffness of the resulting springs will be (a) same (b) double (c) half (d) One-fourth

Last Answer : (b) double

The close-coiled helical springs ‘A’ and ‘B’ are of same material, same coil diameter, same wire diameter and subjected to same load. If the number of turns of spring ‘A’ is half that of spring ‘B’, the ratio of deflection of spring ‘A’ to spring ‘B’ is (a)1/2 (b) 1 (c) 2 (d) 4

Description : The close-coiled helical springs ‘A’ and ‘B’ are of same material, same coil diameter, same wire diameter and subjected to same load. If the number of turns of spring ‘A’ is half that of spring ‘B’, the ratio of deflection of spring ‘A’ to spring ‘B’ is (a)1/2 (b) 1 (c) 2 (d) 4

Last Answer : (a)1/2

The laminated springs are given initial curvature (a) To have uniform strength (b) To make it more economical (c) So that plates may become flat, when subjected to design load (d) None of these

Description : The laminated springs are given initial curvature (a) To have uniform strength (b) To make it more economical (c) So that plates may become flat, when subjected to design load (d) None of these

Last Answer : (c) So that plates may become flat, when subjected to design load

The spring used in mechanical toys is (a) Leaf spring (b) Spiral spring (c) Helical spring (d) All of these

Description : The spring used in mechanical toys is (a) Leaf spring (b) Spiral spring (c) Helical spring (d) All of these

Last Answer : (b) Spiral spring

The spring used in mechanical toys is (a) Leaf spring (b) Spiral spring (c) Helical spring (d) All of these

Description : The spring used in mechanical toys is (a) Leaf spring (b) Spiral spring (c) Helical spring (d) All of these

Last Answer : (b) Spiral spring

In a watch, the spring is used to store energy. The energy is released (a) To stop the watch (b) To run the watch (c) To change the time (d) All of these (

Description : In a watch, the spring is used to store energy. The energy is released (a) To stop the watch (b) To run the watch (c) To change the time (d) All of these (

Last Answer : (b) To run the watch

In a watch, the spring is used to store energy. The energy is released (a) To stop the watch (b) To run the watch (c) To change the time (d) All of these

Description : In a watch, the spring is used to store energy. The energy is released (a) To stop the watch (b) To run the watch (c) To change the time (d) All of these

Last Answer : (b) To run the watch

When two Belleville sprigs are arranged in series, half deflection is obtained for same force. (a) One fourth deflection (b) Double deflection (c) Four time deflection (d) None of the listed

Description : When two Belleville sprigs are arranged in series, half deflection is obtained for same force. (a) One fourth deflection (b) Double deflection (c) Four time deflection (d) None of the listed

Last Answer : (b) Double deflection

A leaf spring consists of 3 extra full length leaves and 14 graduated length leaves. The maximum force that can act on the spring is 70kN and the distance between eyes of the spring is 1.2m. Width and thickness of the leaves are 100mm and 12mm respectively. Calculate the initial pre load required to close the nip. (a) 4332.2N (b) 4674.1N (c) 4985.4N (d) Can’t be determined

Description : A leaf spring consists of 3 extra full length leaves and 14 graduated length leaves. The maximum force that can act on the spring is 70kN and the distance between eyes of the spring is 1.2m. Width and thickness of the ... close the nip. (a) 4332.2N (b) 4674.1N (c) 4985.4N (d) Can't be determined

Last Answer : (b) 4674.1N

A leaf spring consists of 3 extra full length leaves and 14 graduated length leaves. The maximum force that can act on the spring is 70kN and the distance between eyes of the spring is 1.2m. Width and thickness of the leaves are 100mm and 12mm respectively. If modulus of elasticity is 207000N/mm², calculate the initial nip. (a) 26.8mm (b) 24.9mm (c) 22.5mm (d)23.1mm

Description : A leaf spring consists of 3 extra full length leaves and 14 graduated length leaves. The maximum force that can act on the spring is 70kN and the distance between eyes of the spring is 1.2m. Width and thickness of the ... /mm², calculate the initial nip. (a) 26.8mm (b) 24.9mm (c) 22.5mm (d)23.1mm

Last Answer : b) 24.9mm

The piston rod of a hydraulic cylinder exerts an operating force of 10kN. The allowable stress in the cylinder is 45N/mm². Calculate the thickness of the cylinder using Lame’s equation. Diameter of the cylinder is 40mm and pressure in cylinder is 10MPa. a) 2.05mm b) 4.2mm c) 5.07mm d) None of the listed

Description : The piston rod of a hydraulic cylinder exerts an operating force of 10kN. The allowable stress in the cylinder is 45N/mm². Calculate the thickness of the cylinder using Lame's equation. Diameter of the cylinder is 40mm and ... is 10MPa. a) 2.05mm b) 4.2mm c) 5.07mm d) None of the listed

Last Answer : c) 5.07mm

When sinking is accounted in a continuous beam the shear force is a.modified b.same c.zero d.infinite

Description : When sinking is accounted in a continuous beam the shear force is a.modified b.same c.zero d.infinite

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For a fixed beam with midpoint load point, reaction force at support is a.P b.P/2 c.P/3 d.P/4

Description : For a fixed beam with midpoint load point, reaction force at support is a.P b.P/2 c.P/3 d.P/4

Last Answer : b.P/2

The expression EI d4y/dx4 at a section of a member represents a. Shearing force b. rate of loading c. bending moment d.slope.

Description : The expression EI d4y/dx4 at a section of a member represents a. Shearing force b. rate of loading c. bending moment d.slope.

Last Answer : b. rate of loading

.The expression EI d3y/dx3 at a section of a member represents a.Shearing force b.rate of loading c.bending moment d.slope.

Description : .The expression EI d3y/dx3 at a section of a member represents a.Shearing force b.rate of loading c.bending moment d.slope.

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The expression EI d2y/dx2 at a section of a member represents a. Shearing force b.rate of loading c.bending moment d.slope.

Description : The expression EI d2y/dx2 at a section of a member represents a. Shearing force b.rate of loading c.bending moment d.slope.

Last Answer : c.bending moment

A beam is designed on the basis of a. Maximum bending moment b. Minimum shear force. c.Maximum bending moment as well as for maximum shear force d. None.

Description : A beam is designed on the basis of a. Maximum bending moment b. Minimum shear force. c.Maximum bending moment as well as for maximum shear force d. None.

Last Answer : c.Maximum bending moment as well as for maximum shear force

Deflection due to shear force as compared to bending moment will be a.equal b.less c.More d.None.

Description : Deflection due to shear force as compared to bending moment will be a.equal b.less c.More d.None.

Last Answer : b.less

The design of a beam is based on strength criteria, if the beam is sufficiently strong to resist ----------------. a.Shear force b.deflection c. both a and b. d. none of the above.

Description : The design of a beam is based on strength criteria, if the beam is sufficiently strong to resist ----------------. a.Shear force b.deflection c. both a and b. d. none of the above.

Last Answer : a.Shear force