In a composite body, consisting of two different materials...........will be same in
both materials.
(a) Stress
(b) Strain
(c) Both stress and strain
(d) None of these

1 Answer

Answer :

(b) Strain

Related questions

Description : Compute the maximum shearing stress developed in a phosphor bronze spring having mean diameter of 200 mm and consisting of 24 turns of 20-mm diameter wire when the spring is stretched 100 mm. and G = 42 GPa. a. 51 MPa b. 31.89 MPa c. 80 MPa d. 70 MPa

Last Answer : b. 31.89 MPa

Description : Which of the following is a dimensionless quantity? (a) Shear stress (b) Poison’s ratio (c) Strain (d) Both (b) and (c)

Last Answer : (d) Both (b) and (c)

Description : In a simple bending theory, one of the assumption is that the plane sections before bending remain plane after bending. This assumption means that a. stress is uniform throughout the beam b. ... the distance from the neutral axis d. strain is proportional to the distance from the neutral axis

Last Answer : d. strain is proportional to the distance from the neutral axis

Description : The graphical representation of variation of axial load on y axis and position of cross section along x axis is called as _____ (a) Bending moment diagram (b) Shear force diagram (c) Stress-strain diagram (d) Trust diagram

Last Answer : (d) Trust diagram

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

Description : Linear stress strain curve is for a (a) Load ∞ displacement (b) Load ∞ ( 1/displacement) (c) Load = ( displacement)2 (d) None

Last Answer : (a) Load ∞ displacement

Description : The statement : stress is proportional to strain, i.e. the Hooke’s law holds good upto (a) Elastic Limit (b) Proportional Limit (c) Plastic Limit (d) Yield point

Last Answer : (b) Proportional Limit

Description : The deformation per unit length is called (a) Strain (b) Stress (c) Elasticity (d) None of these

Last Answer : (a) Strain

Description : Bulk modulus of elasticity is a. Tensile stress / Tensile strain b. Shear stress / Shear strain c. Tensile stress / Shear strain d. Normal stress on each face of cube / Volumetric strain

Last Answer : d. Normal stress on each face of cube / Volumetric strain

Description : Modulus of rigidity is (a)Tensile stress / Tensile strain (a)Shear stress / Shear strain (a)Tensile stress / Shear strain (a)Shear stress / Tensile strain

Last Answer : (a)Shear stress / Shear strain

Description : Young’s Modulus of elasticity is (a)Tensile stress / Tensile strain (b)Shear stress / Shear strain (c)Tensile stress / Shear strain (d)Shear stress / Tensile strain

Last Answer : a)Tensile stress / Tensile strain

Description : A railway wagon moving with a speed of 1.5m/s is brought to rest by bumper consisting of two springs. Mass of wagon is 100kg. The springs are compressed by 125mm. Calculate the maximum force acting on each spring. a) 1200N b) 1500N c) 1800N d) 2000N

Last Answer : c) 1800N

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

Last Answer : (b) Brittle materials

Description : The strain energy will be higher in which shaft under the same torque (a) Solid shaft (b) Hollow shaft (c) Same in Solid as well as hollow shaft (d) None

Last Answer : (b) Hollow shaft

Description : A concentric spring consists of 2 sprigs of diameter 10mm and 4mm. The net force acting on the composite spring is 5000N. Find the force acting on each of the two springs. (a) 1232.2N and 3767.8N (b) 786.4N and 4213.6N (c) 689.7N and 4310.3N (d) 645.3N and 4354.7N

Last Answer : (c) 689.7N and 4310.3N

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

Description : A column whose slenderness ratio is greater than 120 is known as (a) Short column (b) Long column (c) Medium column (d) Composite column

Last Answer : (b) Long column

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 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 springs in brakes and clutches are used (a) To apply forces (b) To measure forces (c) To absorb shocks (d) To absorb strain energy

Last Answer : (a) To apply 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

Description : Strain energy in a spring should be (a) Large (b) Small (c) Zero (d) None

Last Answer : (a) Large

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 : 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 : Resilience of spring is (a) Strain energy per unit length (b) Strain energy per unit area (c) Strain energy per unit mass (d) None

Last Answer : (d) None

Description : Strain energy in a spring should be (a) Large (b) Small (c) Zero (d) None

Last Answer : (a) Large

Description : Strain energy in a close coiled helical spring is (a) τ2/8G (b) τ2/16G (c) τ2/4G (d) None

Last Answer : (c) τ2/4G

Description : The springs in brakes and clutches are used (a) To apply forces (b) To measure forces (c) To absorb shocks (d) To absorb strain energy

Last Answer : (a) To apply 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

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

Description : The maximum strain in a thick cylinder under pi will be a) σh/E+μ σl/E b) σh/ E+ μσr/E c) σr/E+μ σl/E d) None

Last Answer : b) σh/ E+ μσr/E

Description : Longitudinal strain in a thin shell is a) σh /E b) σl /E c) σr /E d) None

Last Answer : d) None

Description : Hoop strain in a thin shell is a) σh /E b) σl /E c) 3 σh /E d) None

Last Answer : d) None

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 a beam is subjected to a bending moment the strain in a layer is …………the distance from the neutral axis. (a) Independent of (b) Directly proportional to (c) Inversely proportional to (d) None of these

Last Answer : (b) Directly proportional to

Description : Variation of bending strain in a beam has (a) Parabolic variation (b) Linear variation (c) Cubical variation (d) None

Last Answer : (b) Linear variation

Description : 70. Shear strain is a (a) Linear strain (b) Parabolic strain (c) Angular strain (d) None

Last Answer : (c) Angular strain

Description : Shear strain is a (a) Linear strain (b) Parabolic strain (c) Logarithmic strain (d) None

Last Answer : (d) None

Description : When a wire is stretched to double in length, the longitudinal strain produced in it is (a) 0.5 (b) 1.0 (c) 1.5 (d) 2.0

Last Answer : b) 1.0

Description : The ratio of lateral strain to linear strain is called (a) Modulus of Elasticity (b) Modulus of Rigidity (c) Bulk Modulus (d) Poisson’s Ratio

Last Answer : (d) Poisson’s Ratio

Description : Poisson’s ratio is a. Lateral strain / Longitudinal strain b. Shear strain / Lateral strain c. Longitudinal strain / Lateral strain d. Lateral strain / Volumetric strain

Last Answer : a. Lateral strain / Longitudinal strain

Description : Which of the following is not a basic type of strain? (a)Compressive strain (b)Shear strain (c)Area strain (d)Volume strain

Last Answer : (c)Area strain

Description : Maximum shear stress theory is applicable to (a) Ductile materials (b) Brittle materials (c) Composite materials

Last Answer : (a) Ductile materials

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

Last Answer : (b) Brittle materials

Description : For two shafts joined in parallel, the --------------- in each shaft is same. a. shear stress. b. Angle of twist c. torque d. torsional stress.

Last Answer : b. Angle of twist

Description : For two shafts joined in series, the --------------- in each shaft is same. a. shear stress. b. Angle of twist c. torque d. torsional stress.

Last Answer : c. torque

Description : A flitched beam has a. Common neutral axis & both materials bend independently b. Common neutral axis & both materials has common R (Radius of curvature) c. Two neutral axis & both materials has common R (Radius of curvature) d. Two neutral axis & both materials bend independently

Last Answer : b. Common neutral axis & both materials has common R (Radius of curvature)

Description : The direct stress included in a long column is………….. as compared to bending stress. (a) More (b) Less (c) Same (d) Negligible

Last Answer : d) Negligible