The strain energy (E) stored in the spring is given by

Where P=Load and δ = deflection of spring

(A) Pδ/2

(B) 2Pδ

(C) Pδ/3

(D) Pδ/4

1 Answer

Answer :

(A) Pδ/2

Related questions

Description : The strain energy stored in a spiral spring is given by? a) 12M2L/Ebtɜ b) 6M2L/Ebtɜ c) 8M2L/Ebtɜ d) None of the listed

Last Answer : b) 6M2L/Ebtɜ

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 : Strain energy in a leaf spring is (a) W x δ (b) W x δ/3 (c) W x δ/2 (d) None

Last Answer : (c) W x δ/2

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 : The strain energy stored in a spring when subjected to greatest load without being permanently  distorted, is called  (A) Stiffness  (B) Proof resilience  (C) Proof stress  (D) Proof load

Last Answer : (B) Proof resilience 

Description : The force required to produce unit deflection is known as (A) gradient of spring (B) stiffness of the spring (C) spring constant (D) all of the above

Last Answer : (D) all of the above

Description : The spring index is, (A) Ratio of wire diameter to mean coil diameter (B) Force per unit cross-sectional area of spring (C) Ratio of mean coil diameter to wire diameter (D) Force required to produce unit deflection

Last Answer : (C) Ratio of mean coil diameter to wire diameter

Description : The stiffness of spring is, (A) Deflection per unit of axial force (B) Force per unit cross-sectional area of spring (C) Ratio of mean coil diameter to wire diameter (D) Force required to produce unit deflection

Last Answer : (D) Force required to produce unit deflection

Description : The strain energy stored in a spiral spring is given by? (a) 12M²L/Ebtᵌ (b) 6M²L/Ebtᵌ (c) 8M²L/Ebtᵌ (d) None of the listed

Last Answer : (b) 6M²L/Ebtᵌ

Description : Which among the following is the value of static deflection (δ) for a fixed beam with central point load? A ( Wl 3 ) /(192 EI) B ( Wl 2 ) /(192 EI) C (Wl 3 ) /(384 EI) D None of the above

Last Answer : A ( Wl 3 ) /(192 EI)

Description : δ = (W a 2 b 2 ) / (3 EIL) is the value of deflection for ______ A. simply supported beam which has central point load B. simply supported beam which has eccentric point load C. simply supported beam which has U.D.L. point load per unit length D. fixed beam which has central point load

Last Answer : B. simply supported beam which has eccentric point load

Description : Which among the following is the value of static deflection (δ) for a fixed beam with central point load? a. (Wl 3 ) /(192 EI) b. (Wl 2 ) /(192 EI) c. (Wl 3 ) /(384 EI)

Last Answer : a. (Wl 3 ) /(192 EI)

Description : δ = (W a 2 b 2 ) / (3 EIl) is the value of deflection for ______ a. simply supported beam which has central point load b. simply supported beam which has eccentric point load c. simply supported beam which has U.D.L. point load per unit length d. fixed beam which has central point load

Last Answer : b. simply supported beam which has eccentric point load

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

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

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 springs

Last Answer : (D) Concentric springs

Description : The total strain energy for a unit cube subjected to three principal stresses is given by? a) U= [(σέ) 1 + (σέ) 2+ (σέ) 3]/3 b) U= [(σ12+σ22+σ32)/2E] – (σ1σ2+σ2σ3+σ3σ1)2μ c) U= [(σέ) 1 + (σέ) 2+ (σέ) 3]/4 d) None of the mentioned

Last Answer : b) U= [(σ12+σ22+σ32)/2E] – (σ1σ2+σ2σ3+σ3σ1)2μ

Description : In the strain energy method of slope and deflection ,load is applied a. gradually b.suddenly c.with an impact. d.None.

Last Answer : c.with an impact.

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 concentric springs are made of same material, having same free length and compressed equally by axial load, then the load shared by each spring is proportional to (A) Spring index of each spring ... spring (C) Mean coil diameter of each spring (D) Square of wire diameter of each spring

Last Answer : (D) Square of wire diameter of each spring

Description : The load shared by each spring is inversely proportional to the cross section of wire. a) Yes b) No, it is directly proportional c) It is proportional to its square d) It is proportional to its square root

Last Answer : b) No, it is directly proportional

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

Description : Modulus of resilience is defined as a) Strain energy per unit volume b) Strain energy per unit area c) Independent of strain energy d) None of the mentioned

Last Answer : a) Strain energy per unit volume

Description : If the length of the shank is doubled, then strain energy absorbed by shank a) Doubles b) Remains same c) Increases 4 time d) Become half

Last Answer : a) Doubles

Description : For a homogeneous & isotropic body under hydrostatic pressure, which theory of elastic failure fails (a) Firstly Maximum Principal Theory (b) Secondly Maximum Principal strain Theory (c) Thirdly Maximum Principal Energy Theory (d) None

Last Answer : (c) Thirdly Maximum Principal Energy Theory

Description : Under complex or simple loading, strain energy is (a) External work done (b) Internal work done (c) Both internal and external work (d) None

Last Answer : (b) Internal work done

Description : Under complex loading, if elastic limit reaches in tension, then failure occurs due to (a) Firstly Maximum principal strain theory (b) Secondly Maximum principal theory of strain energy (c) Thirdly Maximum Principal stress theory (d) None

Last Answer : (c) Thirdly Maximum Principal stress theory

Description : Under complex loading, if elastic limit reaches in tension, then failure occurs due to (a) Firstly Maximum principal strain theory (b) Secondly Maximum principal theory of strain energy (c) Thirdly Maximum shear stress theory (d) None

Last Answer : (d) None

Description : A ductile material may not meet a failure if it has been tested for the theories of failure (a) Firstly Maximum Shear Stress Theory (b) Secondly Maximum Shear Strain Energy Theory (c) Both (a) & (b) (d) None

Last Answer : (c) Both (a) & (b)

Description : A ductile material may not meet a failure if it has been tested for the theories of failure (a) Firstly Maximum Principal Theory (b) Secondly Maximum Principal Strain Theory (c) Thirdly Maximum principal strain energy theory (d) None

Last Answer : (d) None

Description : Maximum total strain energy theory is applicable to (a) Ductile materials (b) Brittle materials (c) Composite materials (d) None

Last Answer : (a) Ductile materials

Description : Shear strain energy theory is also known as (a) Coulomb’s theory (b) Distortion energy theory (c) Rankine theory (d) None

Last Answer : (b) Distortion energy theory

Description : Shear strain energy theory is also known as (a) Von Mises Theory (b) Coulomb’s theory (c) Rankine theory (d) None

Last Answer : (a) Von Mises Theory

Description : Shear strain energy theory is also known as ( a) Huber theory (b) Rankine theory (c) Mises-Hencky theory (d) None

Last Answer : (c) Mises-Hencky theory

Description : Maximum total strain energy theory is applicable to (a) Ductile materials (b) Brittle materials (c) Composite materials (d) None

Last Answer : (b) Brittle materials

Description : Maximum total strain energy is equal to (a) (σ1 2 +σ2 2 )/2E (b) ( σ1 2 +σ2 2 + 2μ σ1 σ2)/2E (c) ( σ1 2 +σ2 2 — 2μ σ1 σ2)/2E (d) None

Last Answer : (c) ( σ1 2 +σ2 2 — 2μ σ1 σ2)/2E

Description : Maximum total strain energy theory is also known as (a) Huber theory (b) Rankine theory (c) St.Venant’s theory (d) None

Last Answer : (a) Huber theory

Description : Maximum total strain energy theory is also known as (a) Guest’s theory (b) Haigh theory (c) St.Venant’s theory (d) None

Last Answer : (b) Haigh theory

Description : Shear strain energy under principal tensile stresses σ1 and σ2 is (a) (1/12E) (σ1 — σ2) 2 + σ2 2 — σ1 2 ) (b) (1/12G) (σ1 — σ2) 2 + σ2 2 + σ1 2 ) (c) (1/12K) (σ1 — σ2) 2 + σ2 2 + σ1 2 ) (d) None

Last Answer : (b) (1/12G) (σ1 — σ2) 2 + σ2 2 + σ1 2 )

Description : A steel bar 20 mm in diameter simply-supported at its ends over a total span of 40 cm carries a  load at its centre. If the maximum stress induced in the bar is limited to N/mm2, the bending  strain energy stored in the ... (A) 411 N mm  (B) 511 N mm  (C) 611 N mm  (D) 711 N mm 

Last Answer : (C) 611 N mm 

Description : A bar L metre long and having its area of cross-section A, is subjected to a gradually applied tensile  load W. The strain energy stored in the bar is  (A) WL/2AE (B) WL/AE (C) W²L/AE (D) W²L/2AE

Last Answer : (D) W²L/2AE

Description : Maximum principal strain is equal to when σ1 and σ2 are tensile (a) (σ1 –μσ2)/E (b) (σ1 + μσ2)/E (c) (–σ1 –μσ2)/E (d) None

Last Answer : (a) (σ1 –μσ2)/E

Description : The capacity of a spring to store energy is called the spring form co-efficient. Stiffness of a spring is measured by the (A) Ability to absorb shock (B) Capacity to store energy (C) Ratio of the wire & coil diameters (D) Load to produce unit deflection

Last Answer : Option D

Description : Specified quantities of load bus are a) P and Q b) V and δ c) P and δ d) Q and V

Last Answer : a) P and Q

Description : For load flow studies, what are the quantities specified at load bus are. a) P and V b) P and Q c) V and δ d) δ and Q

Last Answer : b) P and Q

Description : Energy stored in flywheel in the form of 1. heat energy 2. kinetic energy 3. solar energy 4. thermal energy

Last Answer : 2. kinetic energy

Description : Energy is stored in a flywheel in the form of (A) Heat energy (B) Solar energy (C) Kinetic energy (D) Potential energy

Last Answer : (C) Kinetic energy

Description : Maximum principal strain theory is also called as (a) Guest’s theory (b) Haigh theory (c) St.Venant’s theory (d) None

Last Answer : (c) St.Venant’s theory

Description : Maximum principal strain theory is applicable to (a) Ductile materials (b) Brittle materials (c) Composite materials (d) None

Last Answer : (b) Brittle materials