Pure Buckling uses the equation of (a) Rankin-Gordon (b) Euler (c) Stiffness (d) None

Pure Buckling uses the equation of  
(a) Rankin-Gordon
(b) Euler
(c) Stiffness  
(d) None
by

1 Answer

Answer :

(b) Euler
by

Related questions

Pure Buckling occurs in a (a) Short column (b) Medium Column (c) Long column (d) None

Description : Pure Buckling occurs in a (a) Short column (b) Medium Column (c) Long column (d) None

Last Answer : (c) Long column

The ratio of the effective length of a column and minimum radius of gyration of its cross sectionalarea, is known (a) Buckling factor (b) Slenderness ratio (c) Crippling factor (d) None of these

Description : The ratio of the effective length of a column and minimum radius of gyration of its cross sectionalarea, is known (a) Buckling factor (b) Slenderness ratio (c) Crippling factor (d) None of these

Last Answer : (b) Slenderness ratio

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

Nature of stresses produced in buckling and bending are (a) Same (b) Different (c) Only tensile (d) None

Description : Nature of stresses produced in buckling and bending are (a) Same (b) Different (c) Only tensile (d) None

Last Answer : (a) Same

With identical beam and column, buckling occurs as compared to bending under a (a) Lesser load (b) Larger load (c) Equal load (d) None

Description : With identical beam and column, buckling occurs as compared to bending under a (a) Lesser load (b) Larger load (c) Equal load (d) None

Last Answer : (a) Lesser load

Buckling of a column occurs under (a) Axial load (b) Transverse load (c) Direct load (d) None

Description : Buckling of a column occurs under (a) Axial load (b) Transverse load (c) Direct load (d) None

Last Answer : (a) Axial load

For long columns, the value of buckling load is……………..crushing load. (a) Less than (b) More than (c) Equal to (d) None of these

Description : For long columns, the value of buckling load is……………..crushing load. (a) Less than (b) More than (c) Equal to (d) None of these

Last Answer : (a) Less than

Rankine Gordon formula for buckling is valid for (A) Long column (B) Short column (C) Short and long column (D) Very long column

Description : Rankine Gordon formula for buckling is valid for (A) Long column (B) Short column (C) Short and long column (D) Very long column

Last Answer : (C) Short and long column

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

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 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

A spring of stiffness 100 N/mm used in a spring-loaded safety valve of diameter 20 mm on a boiler with the pressure inside the boiler equal to 1 MPa should be initially compressed by a. 5mm b. 3.14 mm c. 2mm d. 6.28 mm

Description : A spring of stiffness 100 N/mm used in a spring-loaded safety valve of diameter 20 mm on a boiler with the pressure inside the boiler equal to 1 MPa should be initially compressed by a. 5mm b. 3.14 mm c. 2mm d. 6.28 mm

Last Answer : b. 3.14 mm

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

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

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

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

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

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

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

If a close-coiled helical spring absorbs 50 N-mm of energy while extending by 5 mm, its stiffness will be (a) 2 N/mm (b) 4 N/mm (c) 6 N/mm (d) 10 N/mm

Description : If a close-coiled helical spring absorbs 50 N-mm of energy while extending by 5 mm, its stiffness will be (a) 2 N/mm (b) 4 N/mm (c) 6 N/mm (d) 10 N/mm

Last Answer : (d) 10 N/mm

A close-coiled helical spring of stiffness 30 N/mm is arranged in series with another such spring of stiffness 60 N/mm. The stiffness of composite unit is (a) 20 N/mm (b) 30 N/mm (c) 45 N/mm (d) 90 N/mm

Description : A close-coiled helical spring of stiffness 30 N/mm is arranged in series with another such spring of stiffness 60 N/mm. The stiffness of composite unit is (a) 20 N/mm (b) 30 N/mm (c) 45 N/mm (d) 90 N/mm

Last Answer : (a) 20 N/mm

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

In the above question, the ratio of stiffness of spring A to spring B is (a) 1/2 (b) 1 (c) 2 (d) 4

Description : In the above question, the ratio of stiffness of spring A to spring B is (a) 1/2 (b) 1 (c) 2 (d) 4

Last Answer : (c) 2

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 stiffness of solid shaft is---------- than the stiffness of hollow shaft with same weight. a) less b) more c) equal d) not equal

Description : The stiffness of solid shaft is---------- than the stiffness of hollow shaft with same weight. a) less b) more c) equal d) not equal

Last Answer : b) more

A shaft is designed for (a) Strength alone (b) Stiffness alone (c) Both for strength and stiffness (d) None

Description : A shaft is designed for (a) Strength alone (b) Stiffness alone (c) Both for strength and stiffness (d) None

Last Answer : (c) Both for strength and stiffness

When the shaft is subjected to pure torsional moment, the torsional stress is given by? a) None of the listed b) 32M/πdᵌ c) 16M/πdᵌ d) 8M/πdᵌ

Description : When the shaft is subjected to pure torsional moment, the torsional stress is given by? a) None of the listed b) 32M/πdᵌ c) 16M/πdᵌ d) 8M/πdᵌ

Last Answer : c) 16M/πdᵌ

When the shaft is subjected to pure bending moment, the bending stress is given by? a) None of the listed b) 32M/πdᵌ c) 16M/πdᵌ d) 8M/πdᵌ

Description : When the shaft is subjected to pure bending moment, the bending stress is given by? a) None of the listed b) 32M/πdᵌ c) 16M/πdᵌ d) 8M/πdᵌ

Last Answer : b) 32M/πdᵌ

A shaft a. Is always subjected to pure torsion b. Combination of M & T but no end thrust c. Combination of torque & end thrust but no bending moment d. May be subjected to a combination of M, T and end thrust

Description : A shaft a. Is always subjected to pure torsion b. Combination of M & T but no end thrust c. Combination of torque & end thrust but no bending moment d. May be subjected to a combination of M, T and end thrust

Last Answer : d. May be subjected to a combination of M, T and end thrust

A shaft is said to be in pure torsion if a. Turning moment is applied at one end and other end is free b. Turning force is applied at one end and other end is free c. Two opposite turning moments are applied to the shaft d. Combination of torsional load and bending load is applied to the shaft

Description : A shaft is said to be in pure torsion if a. Turning moment is applied at one end and other end is free b. Turning force is applied at one end and other end is free c. Two opposite turning moments are applied to the shaft d. Combination of torsional load and bending load is applied to the shaft

Last Answer : c. Two opposite turning moments are applied to the shaft

Which stress strain curve is more steep (a) For a ductile material (b) For a brittle material (c) For a pure metal (d) None

Description : Which stress strain curve is more steep (a) For a ductile material (b) For a brittle material (c) For a pure metal (d) None

Last Answer : b) For a brittle material

Jeanette Rankin.

Description : Jeanette Rankin.

Last Answer : What year did the United States enter World War I?

A wall of the firebrick has an inside temperature of 313ºF and an outside temperature of 73ºF. What is the difference in the surface temperature in Rankin?  a. 70  b. 68  c. 72  d. 94 ºR = ºF + 460

Description : A wall of the firebrick has an inside temperature of 313ºF and an outside temperature of 73ºF. What is the difference in the surface temperature in Rankin?  a. 70  b. 68  c. 72  d. 94 ºR = ºF + 460

Last Answer : 70

Which of the following best completes the statement: The calorie is the amount of heat needed to raise: w) 1 gram of water 1 degree Celsius x) 1 gram of water 1 degree Rankin y) 1 kilogram of water 1 degree Celsius z) 1 kilogram of water 1 degree Kelvin

Description : Which of the following best completes the statement: The calorie is the amount of heat needed to raise: w) 1 gram of water 1 degree Celsius x) 1 gram of water 1 degree Rankin y) 1 kilogram of water 1 degree Celsius z) 1 kilogram of water 1 degree Kelvin

Last Answer : ANSWER: W -- 1 GRAM OF WATER 1 DEGREE CELSIUS

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

Lame’s equation used to find the thickness of the cylinder is based on maximum strain failure. a) True b) False

Description : Lame’s equation used to find the thickness of the cylinder is based on maximum strain failure. a) True b) False

Last Answer : b) False

In the three moment equation method a. imaginary span unit span is assumed b. imaginary span zero span is assumed c. no imaginary span assumed d.twice the imaginary span is assumed

Description : In the three moment equation method a. imaginary span unit span is assumed b. imaginary span zero span is assumed c. no imaginary span assumed d.twice the imaginary span is assumed

Last Answer : b. imaginary span zero span is assumed

The number of moment equation in Clapeyron’s method is a.2 b.3 c.4 d.5

Description : The number of moment equation in Clapeyron’s method is a.2 b.3 c.4 d.5

Last Answer : b.3

Which of the following is a differential equation for deflection? a.dy / dx = (M/EI) b. dy / dx = (MI/E) c.d2y / dx2 = (M/EI) d.d2y / dx2 = (ME/I)

Description : Which of the following is a differential equation for deflection? a.dy / dx = (M/EI) b. dy / dx = (MI/E) c.d2y / dx2 = (M/EI) d.d2y / dx2 = (ME/I)

Last Answer : c.d2y / dx2 = (M/EI)

Power in watts in a shaft having N RPM is given by the equation (a) Power = 2π NT/60 (b) Power = 2π N T (c) Power = 2000 π N T/60 (d) None

Description : Power in watts in a shaft having N RPM is given by the equation (a) Power = 2π NT/60 (b) Power = 2π N T (c) Power = 2000 π N T/60 (d) None

Last Answer : (a) Power = 2π NT/60

Which of the following is not an assumption in derivation of torsion equation? a. Circular shaft remains circular after twisting b. Plane section of the shaft remain plane after twisting c. Material of shaft is isotropic d. Angle of twist is proportional to radius

Description : Which of the following is not an assumption in derivation of torsion equation? a. Circular shaft remains circular after twisting b. Plane section of the shaft remain plane after twisting c. Material of shaft is isotropic d. Angle of twist is proportional to radius

Last Answer : d. Angle of twist is proportional to radius

Which of the following is incorrect? a. In torsion equation, we use mean torque b. In torsion equation, we use maximum torque c. Many shafts are designed under combined bending and torsion load d. Shafts are also designed for torsional rigidity

Description : Which of the following is incorrect? a. In torsion equation, we use mean torque b. In torsion equation, we use maximum torque c. Many shafts are designed under combined bending and torsion load d. Shafts are also designed for torsional rigidity

Last Answer : a. In torsion equation, we use mean torque

Which of the following is not designed under torsion equation? a. Spindle b. Axle c. Low cost shaft d. Shaft with variable diameter

Description : Which of the following is not designed under torsion equation? a. Spindle b. Axle c. Low cost shaft d. Shaft with variable diameter

Last Answer : b. Axle

In power transmission equation, P=2ΠNT/60×1000 a. P is in kw and T is maximum torque b. P is in NM/sec and T is maximum torque c. P is in NM/sec and T is mean torque d. P is in kw and T is mean torque

Description : In power transmission equation, P=2ΠNT/60×1000 a. P is in kw and T is maximum torque b. P is in NM/sec and T is maximum torque c. P is in NM/sec and T is mean torque d. P is in kw and T is mean torque

Last Answer : d. P is in kw and T is mean torque

For bending equation to be valid, radius of curvature of the beam after bending should be a. Equal to its transverse dimensions b. Infinity c. Very large compared to its transverse dimensions d. Double its transverse dimensions

Description : For bending equation to be valid, radius of curvature of the beam after bending should be a. Equal to its transverse dimensions b. Infinity c. Very large compared to its transverse dimensions d. Double its transverse dimensions

Last Answer : c. Very large compared to its transverse dimensions

Which statement represents the following Euler diagram?

Description : Which statement represents the following Euler diagram?

Last Answer : If someone lives in Austin, then that person lives in Texas.

Which of the following is directly concerned with the heat transfer? (A) Strouhal number (B) Sherwood number (C) Euler number (D) Grashoff number

Description : Which of the following is directly concerned with the heat transfer? (A) Strouhal number (B) Sherwood number (C) Euler number (D) Grashoff number

Last Answer : (D) Grashoff number

The ratio of inertial forces to gravity forces is called the __________ number. (A) Mach (B) Froude (C) Euler (D) Weber

Description : The ratio of inertial forces to gravity forces is called the __________ number. (A) Mach (B) Froude (C) Euler (D) Weber

Last Answer : (B) Froude