The capacity of a spring to store energy is called the spring form coefficient. 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

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
by

1 Answer

Answer :

Option D
by

Related questions

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

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

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 proportional to D3(D = mean coil diameter) or d4(d = wire diameter) (C) Crushing load or columns is less than the buckling load (D) Modulus of resilience is proportional to (stress at elastic limit)2

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

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

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

The load required to produce a unit deflection in the spring is called (a) Modulus of Rigidity (b) Spring stiffness (c) Flexural rigidity (d) Tensional rigidity

Description : The load required to produce a unit deflection in the spring is called (a) Modulus of Rigidity (b) Spring stiffness (c) Flexural rigidity (d) Tensional rigidity

Last Answer : b) Spring stiffness

The load required to produce a unit deflection in the spring is called (a) Modulus of Rigidity (b) Spring stiffness (c) Flexural rigidity (d) Tensional rigidity

Description : The load required to produce a unit deflection in the spring is called (a) Modulus of Rigidity (b) Spring stiffness (c) Flexural rigidity (d) Tensional rigidity

Last Answer : (b) Spring stiffness

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 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

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

The load on a spring per unit deflection, is called (A) Stiffness (B) Proof resilience (C) Proof stress (D) Proof load

Description : The load on a spring per unit deflection, is called  (A) Stiffness  (B) Proof resilience  (C) Proof stress  (D) Proof load

Last Answer : (A) Stiffness 

The deformation of a spring produced by a unit load is called (A) Stiffness (B) Flexibility (C) Influence coefficient (D) Unit strain

Description : The deformation of a spring produced by a unit load is called (A) Stiffness (B) Flexibility (C) Influence coefficient (D) Unit strain

Last Answer : (B) Flexibility

A closely coiled helical spring of radius R, contains n turns and is subjected to an axial load W. If the radius of the coil wire is r and modulus of rigidity of the coil material is C, the deflection of the coil is (A) WR3n/Cr4 (B) 2WR3n/Cr4 (C) 3WR3n/Cr4 (D) 4WR3n/Cr

Description : A closely coiled helical spring of radius R, contains n turns and is subjected to an axial load W. If  the radius of the coil wire is r and modulus of rigidity of the coil material is C, the deflection of the  coil is  (A) WR3n/Cr4 (B) 2WR3n/Cr4 (C) 3WR3n/Cr4 (D) 4WR3n/Cr

Last Answer : (D) 4WR3n/Cr

Ability of a material to __________ is indicated by its damping capacity. (A) Withstand compression (B) Absorb vibration (C) Absorb shock (D) None of these

Description : Ability of a material to __________ is indicated by its damping capacity. (A) Withstand compression (B) Absorb vibration (C) Absorb shock (D) None of these

Last Answer : (B) Absorb vibration

Which of the following function can the spring perform? a) Store energy b) Absorb shock c) Measure force d) All of the mentioned

Description : Which of the following function can the spring perform? a) Store energy b) Absorb shock c) Measure force d) All of the mentioned

Last Answer : d) All of the mentioned

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

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

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

The ability of an atom to absorb neutrons is its neutron capture cross section. The unit of measurement for neutron capture cross section is: w) the nucleus volume x) capture capacity y) resonance quotient z) barn

Description : The ability of an atom to absorb neutrons is its neutron capture cross section. The unit of measurement for neutron capture cross section is: w) the nucleus volume x) capture capacity y) resonance quotient z) barn

Last Answer : ANSWER: Z -- BARN

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

A mass of 10 kg when suspended from a spring causes a static deflection of 0.01m. Find the spring stiffness for the same system. A 9810 N/m B 8910 N/m C 1098 N/m D 9801 N/m

Description : A mass of 10 kg when suspended from a spring causes a static deflection of 0.01m. Find the spring stiffness for the same system. A 9810 N/m B 8910 N/m C 1098 N/m D 9801 N/m

Last Answer : A 9810 N/m

A mass of 10 kg when suspended from a spring causes a static deflection of 0.01m. Find the spring stiffness for the same system. A 9810 N/m B 8910 N/m C 1098 N/m D 9801 N/m

Description : A mass of 10 kg when suspended from a spring causes a static deflection of 0.01m. Find the spring stiffness for the same system. A 9810 N/m B 8910 N/m C 1098 N/m D 9801 N/m

Last Answer : D 9801 N/m

A vertical spring-mass system has a mass of 0.5 kg and an initial deflection of 0.2 cm. Find the spring stiffness. A. 345 N/m B. 245 N/m C. 3452 N/mD. 2452 N/m

Description : A vertical spring-mass system has a mass of 0.5 kg and an initial deflection of 0.2 cm. Find the spring stiffness. A. 345 N/m B. 245 N/m C. 3452 N/mD. 2452 N/m

Last Answer : D. 2452 N/m

A mass of 10 kg when suspended from a spring causes a static deflection of A 0.01m. Find the spring stiffness for the same system. (A) 9810 N/m (B) 8910 N/m (C)1098 N/m (D) 9801 N/m

Description : A mass of 10 kg when suspended from a spring causes a static deflection of A 0.01m. Find the spring stiffness for the same system. (A) 9810 N/m (B) 8910 N/m (C)1098 N/m (D) 9801 N/m

Last Answer : A) 9810 N/m

The natural frequency of the spring mass is inversely proportional to A. Stiffness B. Mass C. Density D. Deflection

Description : The natural frequency of the spring mass is inversely proportional to A. Stiffness B. Mass C. Density D. Deflection

Last Answer : B. Mass

A spring is designed for (a) Higher strength (b) Higher deflection (c) Higher stiffness (d) None

Description : A spring is designed for (a) Higher strength (b) Higher deflection (c) Higher stiffness (d) None

Last Answer : (b) Higher deflection

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 (B) Wire diameter of each spring (C) Mean coil diameter of each spring (D) Square of wire diameter of each spring

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

The stiffness of the close coil helical spring is (A) d 4N/8D 3n (B) d 4N/4D 3n (C) 4D 3N/d 4n (D) 8D 3N/d 4n

Description : The stiffness of the close coil helical spring is  (A) d 4N/8D 3n (B) d 4N/4D 3n (C) 4D 3N/d 4n (D) 8D 3N/d 4n

Last Answer : (A) d 4N/8D 3n

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

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

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

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

The most important property for the spring material is (a) High elastic limit (b) High deflection value (c) Resistance to fatigue and shock (d) All of these

Description : The most important property for the spring material is (a) High elastic limit (b) High deflection value (c) Resistance to fatigue and shock (d) All of these

Last Answer : (d) All of these

The most important property for the spring material is (a) High elastic limit (b) High deflection value (c) Resistance to fatigue and shock (d) All of these

Description : The most important property for the spring material is (a) High elastic limit (b) High deflection value (c) Resistance to fatigue and shock (d) All of these

Last Answer : (d) All of these

. Kick's law assumes that the energy required for size reduction is proportional to the logarithm of the ratio between the initial and the final diameters. The unit of Kick's constant is (A) kW. sec/kg (B) kWh/kg (C) kWh/sec. kg (D) kg/sec

Description : . Kick's law assumes that the energy required for size reduction is proportional to the logarithm of the ratio between the initial and the final diameters. The unit of Kick's constant is (A) kW. sec/kg (B) kWh/kg (C) kWh/sec. kg (D) kg/sec

Last Answer : (A) kW. sec/kg

A spring used to absorb shocks and vibrations is (a) Close-coil helical spring (b) Open coiled helical spring (c) Spiral spring (d) Leaf spring

Description : A spring used to absorb shocks and vibrations is (a) Close-coil helical spring (b) Open coiled helical spring (c) Spiral spring (d) Leaf spring

Last Answer : (d) Leaf spring

A spring used to absorb shocks and vibrations is (a) Close-coil helical spring (b) Open coiled helical spring (c) Spiral spring (d) Leaf spring

Description : A spring used to absorb shocks and vibrations is (a) Close-coil helical spring (b) Open coiled helical spring (c) Spiral spring (d) Leaf spring

Last Answer : d) Leaf spring

The spring index is the ratio of wire diameter to mean coil diameter. a) True b) False

Description : The spring index is the ratio of wire diameter to mean coil diameter. a) True b) False

Last Answer : a) True

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

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 

Which of the following facts are true for resilience? a) Ability of material to absorb energy when deformed elastically b) Ability to retain deformation under the application of load or after removal of load c) Ability of material to absorb energy when deformed plastically d) None of the mentioned

Description : Which of the following facts are true for resilience? a) Ability of material to absorb energy when deformed elastically b) Ability to retain deformation under the application of load or after removal ... c) Ability of material to absorb energy when deformed plastically d) None of the mentioned

Last Answer : a) Ability of material to absorb energy when deformed elastically

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

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

Two wires A and B of the same material have their lengths in the ratio `1 : 5` and diameters in the ratio ` 3 : 2`. If the resistance of the wire B is

Description : Two wires A and B of the same material have their lengths in the ratio `1 : 5` and diameters in the ratio ` 3 : 2`. If the resistance of the wire B is

Last Answer : Two wires A and B of the same material have their lengths in the ratio `1 : 5` and diameters in ... `180 Omega`, find the resistance of the wire A.

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

Calculate coefficient of viscous damper, if the system is critically damped. Consider the following data: 1. Mass of spring mass damper system = 350 kg 2. Static deflection = 2 x 10 –3 m 3. Natural frequency of the system = 60 rad/sec A. 100.5 x 10 3 N-s/m B. 80 x 10 3 N-s/m C. 42 x 10 3 N-s/m D. None of the above

Description : Calculate coefficient of viscous damper, if the system is critically damped. Consider the following data: 1. Mass of spring mass damper system = 350 kg 2. Static deflection = 2 x 10 -3 m 3. Natural frequency of the system = 60 rad/sec ... /m B. 80 x 10 3 N-s/m C. 42 x 10 3 N-s/m D. None of the above

Last Answer : C. 42 x 10 3 N-s/m

Calculate coefficient of viscous damper, if the system is critically damped. Consider the following data: 1. Mass of spring mass damper system = 350 kg 2. Static deflection = 2 x 10 –3 m 3. Natural frequency of the system = 60 rad/sec a. 100.5 x 10 3 N-s/m b. 80 x 10 3 N-s/m c. 42 x 10 3 N-s/m d. None of the above

Description : Calculate coefficient of viscous damper, if the system is critically damped. Consider the following data: 1. Mass of spring mass damper system = 350 kg 2. Static deflection = 2 x 10 -3 m 3. Natural frequency of the system = 60 rad/sec ... /m b. 80 x 10 3 N-s/m c. 42 x 10 3 N-s/m d. None of the above

Last Answer : c. 42 x 10 3 N-s/m

For the close coil helical spring of the maximum deflection is (A) WD3n/d 4N (B) 2WD3n/d 4N (C) 4W²D3n/d 4N (D) 8WD3n/d 4N

Description : For the close coil helical spring of the maximum deflection is  (A) WD3n/d 4N (B) 2WD3n/d 4N (C) 4W²D3n/d 4N (D) 8WD3n/d 4N

Last Answer : (D) 8WD3n/d 4N

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

The greatest load which a spring can carry without getting permanently distorted, is called (A) Stiffness (B) Proof resilience (C) Proof stress (D) Proof load

Description : The greatest load which a spring can carry without getting permanently distorted, is called (A) Stiffness (B) Proof resilience (C) Proof stress (D) Proof load 

Last Answer : (D) Proof load 

A galvanometer with 20 ohms coil resistence has a full-scale deflection of 10 mA. A 0.02 ohm is placed across the meter to increase its rating capacity. What is the new full scale current for the meter?

Description : A galvanometer with 20 ohms coil resistence has a full-scale deflection of 10 mA. A 0.02 ohm is placed across the meter to increase its rating capacity. What is the new full scale current for the meter?

Last Answer : False.

(True or False) The larger the current required to produce full-scale deflection of the meter coil, the better the sensitivity of the meter.

Description : (True or False) The larger the current required to produce full-scale deflection of the meter coil, the better the sensitivity of the meter.

Last Answer : False.

Pick up the correct statement from the following: (A) A wire wound in spiral form, is called a helical spring (B) The pitch of a close coil spring, is very small (C) The angle made by the coil with horizontal, is called the angle of helix (D) All the above

Description : Pick up the correct statement from the following:  (A) A wire wound in spiral form, is called a helical spring  (B) The pitch of a close coil spring, is very small  (C) The angle made by the coil with horizontal, is called the angle of helix  (D) All the above

Last Answer : (D) All the above

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

Description : 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

Last Answer : (A) Pδ/2

The capacity of an antihistaminic to produce sedation depends on the following except (a) Relative affinity for central versus peripheral H1 receptors (b) Ability to penetrate blood-brain barrier (c) Individual susceptibility (d) Ratio of H1 : H2 blockade produced by the drug

Description : The capacity of an antihistaminic to produce sedation depends on the following except (a) Relative affinity for central versus peripheral H1 receptors (b) Ability to penetrate blood-brain barrier (c) Individual susceptibility (d) Ratio of H1 : H2 blockade produced by the drug

Last Answer : Ans: D