If a spring has plain ends then number of inactive coils is? a) 1 b) 2 c) 3 d) 0

If a spring has plain ends then number of inactive coils is?
a) 1
b) 2
c) 3
d) 0
by

1 Answer

Answer :

d) 0
by

Related questions

Find total number coils in a spring having square and ground ends. Deflection in the spring is 6mm when load of 1100N is applied. Modulus of rigidity is 81370N/mm². Wire diameter and pitch circle diameter are 10mm and 50mm respectively. a) 7 b) 6 c) 5 d) 4

Description : Find total number coils in a spring having square and ground ends. Deflection in the spring is 6mm when load of 1100N is applied. Modulus of rigidity is 81370N/mm². Wire diameter and pitch circle diameter are 10mm and 50mm respectively. a) 7 b) 6 c) 5 d) 4

Last Answer : a) 7

The ends of spring, which are in contact with the seat, are (A) Active coils (B) Inactive coils (C) Transmit maximum force (D) Do not transmit any force

Description : The ends of spring, which are in contact with the seat, are (A) Active coils (B) Inactive coils (C) Transmit maximum force (D) Do not transmit any force

Last Answer : (B) Inactive coils

Number of inactive coils in plain end is (are) (A) 0 (B) 1 (C) 2 (D) 3

Description : Number of inactive coils in plain end is (are) (A) 0 (B) 1 (C) 2 (D) 3

Last Answer : (A) 0

A spring with 25 active coils cannot be accommodated within a given space. Hence 5 coils of the spring are cut. The stiffness of the new spring will be a. the same b. 1.25 times the original spring c. 0.8 times the original spring d. 20 times the original spring

Description : A spring with 25 active coils cannot be accommodated within a given space. Hence 5 coils of the spring are cut. The stiffness of the new spring will be a. the same b. 1.25 times the original spring c. 0.8 times the original spring d. 20 times the original spring

Last Answer : b. 1.25 times the original spring

A compression spring is made of music wire of 2 mm diameter having a shear strength and shear modulus of 800 Mpa and 80 Gpa respectively. The mean coil diameter is 20mm, free length is 40 mm, and the number of active coils is 10. If the mean coil diameter is reduced to 10 mm, the stiffness of the spring is approximately a. increased by 8 times b. decreased by 2 times c. increased by 2 times d. decreased by 8 times

Description : A compression spring is made of music wire of 2 mm diameter having a shear strength and shear modulus of 800 Mpa and 80 Gpa respectively. The mean coil diameter is 20mm, free length is 40 mm, and the number ... by 8 times b. decreased by 2 times c. increased by 2 times d. decreased by 8 times

Last Answer : a. increased by 8 times

Determine number of coils in a helical compression spring, if modulus of rigidity is 80 Gpa and spring stiffness is 50 N/ mm. Assume wire diameter and spring index as 8 mm and 5 respectively a. 11.8 turns b. 12.8 turns c. 13.3 turns d. None of the above

Description : Determine number of coils in a helical compression spring, if modulus of rigidity is 80 Gpa and spring stiffness is 50 N/ mm. Assume wire diameter and spring index as 8 mm and 5 respectively a. 11.8 turns b. 12.8 turns c. 13.3 turns d. None of the above

Last Answer : b. 12.8 turns

The coils of spring which are in contact with the seat and do not contribute to spring action are called (A) resting coils (B) static coils (C) inactive coils (D) ideal coils

Description : The coils of spring which are in contact with the seat and do not contribute to spring action are called (A) resting coils (B) static coils (C) inactive coils (D) ideal coils

Last Answer : (C) inactive coils

Active and inactive, both types of coils support the load although both don’t participate in spring action. a) Active coils don’t support the load b) Inactive coils don’t support the load c) Both active and inactive don’t support the load d) Both active and inactive support the load

Description : Active and inactive, both types of coils support the load although both don’t participate in spring action. a) Active coils don’t support the load b) Inactive coils don’t support the load c) Both active and inactive don’t support the load d) Both active and inactive support the load

Last Answer : b) Inactive coils don’t support the load

Spring having square ends has 1 inactive coil. a) True b) False

Description : Spring having square ends has 1 inactive coil. a) True b) False

Last Answer : b) False

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

In which condition the axial distance between two adjacent coils is called as pitch? a. Compressed condition b. Uncompressed condition c. Both a. and b. d. None of the above

Description : In which condition the axial distance between two adjacent coils is called as pitch? a. Compressed condition b. Uncompressed condition c. Both a. and b. d. None of the above

Last Answer : b. Uncompressed condition

The equivalent length of a column fixed at both ends, is (a) 0.5 l (b) 0.7 l (c) l (d) 1.5 l

Description : The equivalent length of a column fixed at both ends, is (a) 0.5 l (b) 0.7 l (c) l (d) 1.5 l

Last Answer : (a) 0.5 l

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

In a square and ground helical spring the effective number of turns is incresead by a. 1 b. 2 c. 1.5 d. 0 Ans: b 77. Frequency of the fluctuating load of helical compression spring should be a. lees than natural frequency of vibration b. twenty times the natural frequency of vibration c. slightly greater than the natural frequency d. twenty times less than the natural frequency of vibration

Description : In a square and ground helical spring the effective number of turns is incresead by a. 1 b. 2 c. 1.5 d. 0 Ans: b 77. Frequency of the fluctuating load of helical compression ... vibration c. slightly greater than the natural frequency d. twenty times less than the natural frequency of vibration

Last Answer : d. twenty times less than the natural frequency of vibration

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

Last Answer : d. Both A and B is correct

A helical spring of constant k is cut into four equal pieces and the four pieces are then combined in parallel. The equivalent spring constant will be (a) k/16 (b) k/4 (c) 4k (d) 16k

Description : A helical spring of constant k is cut into four equal pieces and the four pieces are then combined in parallel. The equivalent spring constant will be (a) k/16 (b) k/4 (c) 4k (d) 16k

Last Answer : (d) 16k

Initial gap between two turns of a close coil helical tension spring should be a. 0.5 mm b. based on the maximum deflection c. 1 mm d. zero

Description : Initial gap between two turns of a close coil helical tension spring should be a. 0.5 mm b. based on the maximum deflection c. 1 mm d. zero

Last Answer : d. zero

he most common value of spring index lies between (a) 0 and 5 (b) 5 and 10 (c) 10 and 15 (d) None

Description : he most common value of spring index lies between (a) 0 and 5 (b) 5 and 10 (c) 10 and 15 (d) None

Last Answer : b) 5 and 10

What is the Wahl's factor if spring index is 6? a. 1.477 b. 0.995 c. 1.252 d. None of the above

Description : What is the Wahl's factor if spring index is 6? a. 1.477 b. 0.995 c. 1.252 d. None of the above

Last Answer : c. 1.252

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

According to Euler’s column theory, the crippling load for a column of length (l) fixed at both ends is __________ the crippling load for a similar column hinged at both ends. (a) equal to (b) two times (c) four times (d) eight times

Description : According to Euler’s column theory, the crippling load for a column of length (l) fixed at both ends is __________ the crippling load for a similar column hinged at both ends. (a) equal to (b) two times (c) four times (d) eight times

Last Answer : (c) four times

A column of length (l) with both ends fixed may be considered as equivalent to a column of length __________ with both ends hinged. (a) l/8 (b) l/4 (c) l/2 (d) l

Description : A column of length (l) with both ends fixed may be considered as equivalent to a column of length __________ with both ends hinged. (a) l/8 (b) l/4 (c) l/2 (d) l

Last Answer : c) l/2

A column with maximum equivalent length has (a) both ends hinged (b) both ends fixed (c) one end fixed and the other end hinged (d) one end fixed and the other end free

Description : A column with maximum equivalent length has (a) both ends hinged (b) both ends fixed (c) one end fixed and the other end hinged (d) one end fixed and the other end free

Last Answer : (d) one end fixed and the other end free

Columns of given length, cross-section and material have different values of buckling loads for different end conditions. The strongest column is one whose (a) One end is fixed and other end is hinged (b) Both ends are hinged or pin jointed (c) One end is fixed and the other end entirely free (d) Both the ends are fixed

Description : Columns of given length, cross-section and material have different values of buckling loads for different end conditions. The strongest column is one whose (a) One end is fixed and other end is hinged (b) ... (c) One end is fixed and the other end entirely free (d) Both the ends are fixed

Last Answer : (d) Both the ends are fixed

A long column with fixed ends can carry load as compared to cantilever column (a) 4 times (b) 8 times (c) 16 times (d) None

Description : A long column with fixed ends can carry load as compared to cantilever column (a) 4 times (b) 8 times (c) 16 times (d) None

Last Answer : (c) 16 times

A long column with fixed ends can carry load as compared to both ends hinged (a) 4 times (b) 8 times (c) 16 times (d) None

Description : A long column with fixed ends can carry load as compared to both ends hinged (a) 4 times (b) 8 times (c) 16 times (d) None

Last Answer : (a) 4 times

A column of length 4m with both ends fixed may be considered as equivalent to a column of length ………….with both ends hinged. (a) 2 m (b) 1 m (c) 3 m (d) 6 m

Description : A column of length 4m with both ends fixed may be considered as equivalent to a column of length ………….with both ends hinged. (a) 2 m (b) 1 m (c) 3 m (d) 6 m

Last Answer : For a long column subjected to 1 point axial compressive load, its buckling strength will be maximum when its

.In a free moment diagram support assumption is a. Simply supported ends b.free free ends c. fixed ends d.hinged ends

Description : .In a free moment diagram support assumption is a. Simply supported ends b.free free ends c. fixed ends d.hinged ends

Last Answer : a. Simply supported ends

A beam 3m long simply supported at its ends ,is carrying a point load W at the centre.If the slope at the ends of the beam should not exceed 10,find the deflection at the centre of beam? a.18.41 mm b.13.45 mm c.17.45 mm d.21.67 mm.

Description : A beam 3m long simply supported at its ends ,is carrying a point load W at the centre.If the slope at the ends of the beam should not exceed 10,find the deflection at the centre of beam? a.18.41 mm b.13.45 mm c.17.45 mm d.21.67 mm.

Last Answer : c.17.45 mm

A beam of uniform rectangular section 200 mm wide and 300mm deep is simply supported at its ends.It carries a uniformly distributed load of 9KN/m run over the entire span of 5m.If E=1×104 N/mm2, what is the maximum deflection? a.14.26 mm b.17.28 mm c.18.53 mm d.16.27 mm.

Description : A beam of uniform rectangular section 200 mm wide and 300mm deep is simply supported at its ends.It carries a uniformly distributed load of 9KN/m run over the entire span of 5m.If E=1×104 N/mm2, what is the maximum deflection? a.14.26 mm b.17.28 mm c.18.53 mm d.16.27 mm.

Last Answer : d.16.27 mm.

A hollow circular tube with a 2.3-cm I.D. and 2.5-cm O.D. is rigidly supported at its ends. A 2.5 kN-m torque is applied at the center of this tube. What is the maximum shear stress acting on this tube? (a) 2.87Mpa (b) 4.27 Mpa (c) 6.92 Mpa (d) 10.2 Mpa

Description : A hollow circular tube with a 2.3-cm I.D. and 2.5-cm O.D. is rigidly supported at its ends. A 2.5 kN-m torque is applied at the center of this tube. What is the maximum shear stress acting on this tube? (a) 2.87Mpa (b) 4.27 Mpa (c) 6.92 Mpa (d) 10.2 Mpa

Last Answer : (a) 2.87Mpa

The shaft is always stepped with ________ diameter at the middle portion and __________ diameter at the shaft ends. a) Minimum, maximum b) Maximum, minimum c) Minimum, minimum d) Zero, infinity

Description : The shaft is always stepped with ________ diameter at the middle portion and __________ diameter at the shaft ends. a) Minimum, maximum b) Maximum, minimum c) Minimum, minimum d) Zero, infinity

Last Answer : b) Maximum, minimum

A cantilever is a beam whose (a) Both ends are supported either on rollers or hinges (b) One end is fixed and other end is free (c) Both ends are fixed (d) Whose both or one of the end has overhang

Description : A cantilever is a beam whose (a) Both ends are supported either on rollers or hinges (b) One end is fixed and other end is free (c) Both ends are fixed (d) Whose both or one of the end has overhang

Last Answer : b) One end is fixed and other end is free

There are number of laminations in a (a) Close coiled spring (b) Open coiled spring (c) Spiral spring (d) None

Description : There are number of laminations in a (a) Close coiled spring (b) Open coiled spring (c) Spiral spring (d) None

Last Answer : (d) None

Stiffness of the spring can be increased by a. increase the number of turns b. increase the free length c. decrease the number of turns d. decrease the spring wire diameter

Description : Stiffness of the spring can be increased by a. increase the number of turns b. increase the free length c. decrease the number of turns d. decrease the spring wire diameter

Last Answer : c. decrease the number

A helical spring is fabricated by wrapping wire 19.05 mm in diameter around a forming cylinder 203.2 mm in diameter. Compute the number of turns required to permit an elongation of 101.6 mm. without exceeding a shearing stress of 124 N/mm2. G = 82737 N/mm2. a. 10 turns b. 20 turns c. 25 turns d. 30 turns

Description : A helical spring is fabricated by wrapping wire 19.05 mm in diameter around a forming cylinder 203.2 mm in diameter. Compute the number of turns required to permit an elongation of 101.6 mm. without exceeding a shearing ... G = 82737 N/mm2. a. 10 turns b. 20 turns c. 25 turns d. 30 turns

Last Answer : a. 10 turns

The spring constant of a helical compression spring does not depend on a. Coil diameter b. Material strength c. Number of active turns d. wire diameter

Description : The spring constant of a helical compression spring does not depend on a. Coil diameter b. Material strength c. Number of active turns d. wire diameter

Last Answer : b. Material strength

There are number of laminations in a (a) Close coiled spring (b) Open coiled spring (c) Spiral spring (d) None

Description : There are number of laminations in a (a) Close coiled spring (b) Open coiled spring (c) Spiral spring (d) None

Last Answer : (d) None

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

In case of a laminated spring, the load at which the plates become straight is called (a) working load (b) safe load (c) proof load (d) none

Description : In case of a laminated spring, the load at which the plates become straight is called (a) working load (b) safe load (c) proof load (d) none

Last Answer : (c) proof load

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

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

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

With a leaf spring type of suspension, interference between steering and suspension system can be (a) front end of the spring is pin joined and the rear end is shackled (b) front end of the spring is shackled and the rear end is pin joined (c) both end of the spring are shackled (d) both end of the spring are pin joined

Description : With a leaf spring type of suspension, interference between steering and suspension system can be (a) front end of the spring is pin joined and the rear end is shackled (b) front end of the spring is ... joined (c) both end of the spring are shackled (d) both end of the spring are pin joined

Last Answer : (b) front end of the spring is shackled and the rear end is pin joined

The clips placed at intervals along some leaf spring to prevent spring leaf separation on rebound are (a) rebound clips (b) separation clips (c) interval clips (d)relief clips

Description : The clips placed at intervals along some leaf spring to prevent spring leaf separation on rebound are (a) rebound clips (b) separation clips (c) interval clips (d)relief clips

Last Answer : (a) rebound clips

The laminated spring which is in common use, is of the type (a) full elliptic (b) semi elliptic (c)one quarter elliptic (d)three quarter elliptic

Description : The laminated spring which is in common use, is of the type (a) full elliptic (b) semi elliptic (c)one quarter elliptic (d)three quarter elliptic

Last Answer : (b) semi elliptic

The device that permits variation in the distance between the spring eyes of a leaf spring as the spring flexes is called (a) Spring shackle (b) spring U bolt (c) spring hanger (d) spring leaf

Description : The device that permits variation in the distance between the spring eyes of a leaf spring as the spring flexes is called (a) Spring shackle (b) spring U bolt (c) spring hanger (d) spring leaf

Last Answer : (a) Spring shackle

Leaf spring for vehicles are nipped to (a) To vary the effective length of the spring (b) to increase the interleaf friction (c) Improve the load carrying capacity of spring (d) ensure that all leaves are uniformly stressed during loading

Description : Leaf spring for vehicles are nipped to (a) To vary the effective length of the spring (b) to increase the interleaf friction (c) Improve the load carrying capacity of spring (d) ensure that all leaves are uniformly stressed during loading

Last Answer : (d) ensure that all leaves are uniformly stressed during loading

The weight or pressure required to deflect a spring in mm is called the spring (a) Weight (b) deflection (c) rate (d) rebound

Description : The weight or pressure required to deflect a spring in mm is called the spring (a) Weight (b) deflection (c) rate (d) rebound

Last Answer : c) rate

Most important features of any spring are (a) Deflection, stiffness and strength (b) Stiffness, bending and shear strengths (c) Strain energy, deflection and strength (d) None

Description : Most important features of any spring are (a) Deflection, stiffness and strength (b) Stiffness, bending and shear strengths (c) Strain energy, deflection and strength (d) None

Last Answer : (c) Strain energy, deflection and strength