Question 1

strain energy stored in a body due to suddenly applied load compared to when it is applied gradually is

Accepted Answer

A) same 
B) twice 
C) four times 
D) eight times 
A) same 
B) twice 
C) four times 
D) eight times C

Question 2

What is the formula of radius of gyration?

Accepted Answer

A) k2 = I/A 
B) k2 = I2/A 
C) k2 = I2/A2 
D) k2 = (I/
A) 1/2 
A) k2 = I/A 
B) k2 = I2/A 
C) k2 = I2/A2 
D) k2 = (I/
A) 1/2 A

Question 3

The ultimate shear stress of a mild steel plate of 10 mm thickness is 350 N/mm2. Calculate the diameter of the hole that can be punched to it without exceeding a compressive stress of 700 N/mm2.

Accepted Answer

A) 10 mm 
B) 20 mm 
C) 7 mm 
D) 35 mm 
A) 10 mm 
B) 20 mm 
C) 7 mm 
D) 35 mm B

Question 4

During a tensile test on a specimen of 1 cm cross-section, maximum load observed was 8 tonnes and area of cross-section at neck was 0.5 cm2. Ultimate tensile strength of specimen is

Accepted Answer

A) 4 tonnes/cm2 
B) 8 tonnes/cm2 
C) 16 tonnes/cm2 
D) 22 tonnes/cm2 
A) 4 tonnes/cm2 
B) 8 tonnes/cm2 
C) 16 tonnes/cm2 
D) 22 tonnes/cm2

Question 5

A composite section of R.C.C. column 300mm×300mm in section having 20mm diameter 4 bars, one at each corner. Strength of concrete is 5 N/mm2 and modular ratio Es/Ec=9. Calculate load taken by column.

Accepted Answer

A) 150 KN 
B) 200 KN 
C) 400 KN 
D) 500 KN 
A) 150 KN 
B) 200 KN 
C) 400 KN 
D) 500 KN

Question 6

A 10 m long mild steel rail section is fixed at 300 K temperature. If temperature increases by 60 K, find stress in rail section if ends are not yielded. Coefficient of thermal expansion is 12×10-6/K.

Accepted Answer

A) 72 N/mm2 
B) 144 N/mm2 
C) 120 N/mm2 
D) 240 N/mm2 
A) 72 N/mm2 
B) 144 N/mm2 
C) 120 N/mm2 
D) 240 N/mm2

Question 7

Moment of inertia of any section about an axis passing through its C.G is

Accepted Answer

A) Maximum 
B) Minimum 
C) Depends upon the dimensions of the section 
D) Depends upon the shape of the section 
A) Maximum 
B) Minimum 
C) Depends upon the dimensions of the section 
D) Depends upon the shape of the section

Question 8

The moment of inertia of a triangular section of base „b? and height „h? about an axis passing through its base is ……. times the moment of inertia about an axis passing through its C.G. and parallel to the base

Accepted Answer

A) 9 
B) 4 
C) 2 
D) 3 
A) 9 
B) 4 
C) 2 
D) 3

Question 9

What will be the radius of gyration of a circular plate of diameter 10cm?

Accepted Answer

A) 1.5cm 
B) 2.0cm 
C) 2.5cm 
D) 3.0cm 
A) 1.5cm 
B) 2.0cm 
C) 2.5cm 
D) 3.0cm

Question 10

Moment of inertia of a circular section of 2 cm diameter, about an axis through its centre of gravity, is .

Accepted Answer

A) ?/64 
B) ?/4 
C) ?/16 
D) ?/2 
A) ?/64 
B) ?/4 
C) ?/16 
D) ?/2

Question 11

Proof resilience per material is known as

Accepted Answer

A) resilience 
B) proof resilience 
C) modulus of resilience 
D) toughness 
A) resilience 
B) proof resilience 
C) modulus of resilience 
D) toughness

Question 12

The moment of inertia of a triangular section of base 3 unit and height 2 unit, about an axis passing through its base is .

Accepted Answer

A) 6 
B) 9 
C) 8 
D) 2 
A) 6 
B) 9 
C) 8 
D) 2

Question 13

What is the unit of moment of inertia?

Accepted Answer

A) mm 
B) mm2 
C) mm3 
D) mm4 
A) mm 
B) mm2 
C) mm3 
D) mm4

Question 14

What is the formula of theorem of perpendicular axis?

Accepted Answer

A) Izz = Ixx - Iyy 
B) Izz = Ixx + ah2 
C) Izz - Ixx = Iyy 
D) None of the above 
A) Izz = Ixx - Iyy 
B) Izz = Ixx + ah2 
C) Izz - Ixx = Iyy 
D) None of the above

Question 15

The total strain energy stored in a body is termed as

Accepted Answer

A) resilience 
B) proof resilience 
C) modulus of resilience 
D) toughness 
A) resilience 
B) proof resilience 
C) modulus of resilience 
D) toughness

Question 16

A bar 2 m long and 20 mm diameter is subjected to an axial pull of 125.6 KN. Due to this load, length increases by 4 mm and diameter reduce by 0.012 mm. Find Poison?s ratio.

Accepted Answer

A) 0.2 
B) 0.25 
C) 0.3 
D) 0.35 
A) 0.2 
B) 0.25 
C) 0.3 
D) 0.35

Question 17

The axis about which moment of area is taken is known as .

Accepted Answer

A) Axis of area 
B) Axis of moment 
C) Axis of reference 
D) Axis of rotation 
A) Axis of area 
B) Axis of moment 
C) Axis of reference 
D) Axis of rotation

Question 18

Moment of inertia of a square of side 1 unit about an axis through its center of gravity, is .

Accepted Answer

A) 1 
B) 1/12 
C) 1/3 
D) 1/4 
A) 1 
B) 1/12 
C) 1/3 
D) 1/4

Question 19

An axial pull of 50 KN is suddenly applied to a steel bar 2 m long and 1000 mm2 in cross-section. If modulus of elasticity is 200 GPa, find strain energy stored in the bar

Accepted Answer

A) 10,000 N.mm 
B) 20,000 N.mm 
C) 25,000 N.mm 
D) 50,000 N.mm 
A) 10,000 N.mm 
B) 20,000 N.mm 
C) 25,000 N.mm 
D) 50,000 N.mm

Question 20

What is the unit of Radius of gyration?

Accepted Answer

A) mm 
B) mm2 
C) mm3 
D) mm4 
A) mm 
B) mm2 
C) mm3 
D) mm4

strain energy stored in a body due to suddenly applied load compared to when it is applied gradually is

What is the formula of radius of gyration?

The ultimate shear stress of a mild steel plate of 10 mm thickness is 350 N/mm². Calculate the diameter of the hole that can be punched to it without exceeding a compressive stress of 700 N/mm².

During a tensile test on a specimen of 1 cm cross-section, maximum load observed was 8 tonnes and area of cross-section at neck was 0.5 cm². Ultimate tensile strength of specimen is

A composite section of R.C.C. column 300mm×300mm in section having 20mm diameter 4 bars, one at each corner. Strength of concrete is 5 N/mm² and modular ratio Es/Ec=9. Calculate load taken by column.

A 10 m long mild steel rail section is fixed at 300 K temperature. If temperature increases by 60 K, find stress in rail section if ends are not yielded. Coefficient of thermal expansion is 12×10^-6/K.

Moment of inertia of any section about an axis passing through its C.G is

The moment of inertia of a triangular section of base „b? and height „h? about an axis passing through its base is ……. times the moment of inertia about an axis passing through its C.G. and parallel to the base

What will be the radius of gyration of a circular plate of diameter 10cm?

Moment of inertia of a circular section of 2 cm diameter, about an axis through its centre of gravity, is .

Proof resilience per material is known as

The moment of inertia of a triangular section of base 3 unit and height 2 unit, about an axis passing through its base is .

What is the unit of moment of inertia?

What is the formula of theorem of perpendicular axis?

The total strain energy stored in a body is termed as

A bar 2 m long and 20 mm diameter is subjected to an axial pull of 125.6 KN. Due to this load, length increases by 4 mm and diameter reduce by 0.012 mm. Find Poison?s ratio.

The axis about which moment of area is taken is known as .

Moment of inertia of a square of side 1 unit about an axis through its center of gravity, is .

An axial pull of 50 KN is suddenly applied to a steel bar 2 m long and 1000 mm² in cross-section. If modulus of elasticity is 200 GPa, find strain energy stored in the bar

What is the unit of Radius of gyration?

Mechanical Properties and Deformation of Materials

Columns, Beams and Shear Force Diagrams

Materials Mechanics and Elasticity

Moment of Inertia, Bending Moment, and Shear Force for Beams

Bending Moment and Shear Force Diagrams for Beams

Understanding Bending Stresses in Beams

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Exam 4: Mechanics of Materials: Understanding Stress, Strain, and Energy Storage in Materials

strain energy stored in a body due to suddenly applied load compared to when it is applied gradually is

What is the formula of radius of gyration?

The ultimate shear stress of a mild steel plate of 10 mm thickness is 350 N/mm2. Calculate the diameter of the hole that can be punched to it without exceeding a compressive stress of 700 N/mm2.

During a tensile test on a specimen of 1 cm cross-section, maximum load observed was 8 tonnes and area of cross-section at neck was 0.5 cm2. Ultimate tensile strength of specimen is

A composite section of R.C.C. column 300mm×300mm in section having 20mm diameter 4 bars, one at each corner. Strength of concrete is 5 N/mm2 and modular ratio Es/Ec=9. Calculate load taken by column.

A 10 m long mild steel rail section is fixed at 300 K temperature. If temperature increases by 60 K, find stress in rail section if ends are not yielded. Coefficient of thermal expansion is 12×10-6/K.

Moment of inertia of any section about an axis passing through its C.G is

The moment of inertia of a triangular section of base „b? and height „h? about an axis passing through its base is ……. times the moment of inertia about an axis passing through its C.G. and parallel to the base

What will be the radius of gyration of a circular plate of diameter 10cm?

Moment of inertia of a circular section of 2 cm diameter, about an axis through its centre of gravity, is .

Proof resilience per material is known as

The moment of inertia of a triangular section of base 3 unit and height 2 unit, about an axis passing through its base is .

What is the unit of moment of inertia?

What is the formula of theorem of perpendicular axis?

The total strain energy stored in a body is termed as

A bar 2 m long and 20 mm diameter is subjected to an axial pull of 125.6 KN. Due to this load, length increases by 4 mm and diameter reduce by 0.012 mm. Find Poison?s ratio.

The axis about which moment of area is taken is known as .

Moment of inertia of a square of side 1 unit about an axis through its center of gravity, is .

An axial pull of 50 KN is suddenly applied to a steel bar 2 m long and 1000 mm2 in cross-section. If modulus of elasticity is 200 GPa, find strain energy stored in the bar

What is the unit of Radius of gyration?

Mechanical Properties and Deformation of Materials

Columns, Beams and Shear Force Diagrams

Materials Mechanics and Elasticity

Moment of Inertia, Bending Moment, and Shear Force for Beams

Bending Moment and Shear Force Diagrams for Beams

Understanding Bending Stresses in Beams

Filters

The ultimate shear stress of a mild steel plate of 10 mm thickness is 350 N/mm². Calculate the diameter of the hole that can be punched to it without exceeding a compressive stress of 700 N/mm².

During a tensile test on a specimen of 1 cm cross-section, maximum load observed was 8 tonnes and area of cross-section at neck was 0.5 cm². Ultimate tensile strength of specimen is

A composite section of R.C.C. column 300mm×300mm in section having 20mm diameter 4 bars, one at each corner. Strength of concrete is 5 N/mm² and modular ratio Es/Ec=9. Calculate load taken by column.

A 10 m long mild steel rail section is fixed at 300 K temperature. If temperature increases by 60 K, find stress in rail section if ends are not yielded. Coefficient of thermal expansion is 12×10^-6/K.

An axial pull of 50 KN is suddenly applied to a steel bar 2 m long and 1000 mm² in cross-section. If modulus of elasticity is 200 GPa, find strain energy stored in the bar