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

1 Answer

Answer :

(b) Double force

Related questions

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

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

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

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

Description : The type of spring used to achieve any linear and non-linear load-deflection characteristics is (a)spiral spring (b) non-ferrous spring (c)Belleville spring (d) torsion spring

Last Answer : (c)Belleville spring

Description : Belleville spring can only produce linear load deflection characteristics. (a) Only linear (b) Linear as well as non linear (c) Non-linear (d) None of the mentioned

Last Answer : (b) Linear as well as non linear

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

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

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

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

Last Answer : d. Both A and B is correct

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

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

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

Last Answer : d. All of the above

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

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

Description : The rate of change of bending moment is equal to (a) Shear force (b) Slope (c) Deflection (d) None of these

Last Answer : (a) Shear force

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

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

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)

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

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

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

Description : Spiral spring is quite rigid. (a) Yes (b) No it is flexible (c) It is of moderate rigidity (d) Rigidity can’t be determined

Last Answer : (b) No it is flexible

Description : The type of spring used to achieve any linear or non-linear load-deflection characteristic is (A) Spiral spring (B) Non-ferrous spring (C) Belleville (coned disk) spring (D) Torsion spring

Last Answer : (C) Belleville (coned disk) spring

Description : Belleville spring can only produce linear load deflection characteristics. a) Only linear b) Linear as well as non linear c) Non-linear d) None of the mentioned

Last Answer : b) Linear as well as non linear

Description : Maximum deflection in a leaf spring is given by (a) 3WL3/4Enbt3 (b) 3WL3/8Enbt3 (c) 3WL3/16Enbt3 (d) None

Last Answer : (b) 3WL3/8Enbt3

Description : The axial deflection of spring for the small angle of θ is given by? a) 328PDᵌN/Gd⁴ b) 8PDᵌN/Gd⁴ c) 16PDᵌN/Gd⁴ d) 8PD²N/Gdᵌ

Last Answer : b) 8PDᵌN/Gd⁴

Description : Deflection of a simply supported beam when subjected to central point load is given as ________ a. (Wl /16 EI) b. (Wl2/16 EI) c. (Wl3/48 EI) d. (5Wl4/ 384EI)

Last Answer : c. (Wl3/48 EI)

Description : The length of a wire is increased by 1 mm on the application of a certain load. In a wire of the same material but of twice the length and half the radius, the same force will produce an elongation of (a) 0.5 mm (b) 2 mm (c) 4 mm (d) 8 mm

Last Answer : (d) 8 mm

Description : For the same span and loads fixed beam in comparison with simply supported beams has a. lesser value of maximum deflection b. more value of maximum deflecction c.twice the value of maximum deflecction d.same value of maximum deflecction

Last Answer : a. lesser value of maximum deflection

Description : Pick out the wrong statement. (A) The equivalent stiffness of two springs (of equal stiffness 'S') in series is S/2 while in parallel is 2S (B) For a helical spring, deflection is ... is less than the buckling load (D) Modulus of resilience is proportional to (stress at elastic limit)2

Last Answer : (C) Crushing load or columns is less than the buckling load

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

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

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

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

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

Last Answer : (d) None

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

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

Last Answer : (c) compression

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

Last Answer : a) bending

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

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

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

Last Answer : (c) Trucks

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

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

Last Answer : c. springs

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

Last Answer : (C) compression

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

Last Answer : (d) None

Description : 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

Last Answer : (b) Bending effect

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

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

Description : Shear force in a beam is (a) Parallel to the length (b) Perpendicular to the length (c) Neither parallel nor perpendicular to the length (d) None

Last Answer : (b) Perpendicular to the length