14 If two rods one solid and the other hollow having same ou

14) If two rods (one solid and the other hollow) having same outer diameter are made of the same material, which among the following relation would be true with respect to their polar moment of inertia (J)? a) J(solid) < J(hollow) b) J(solid) = J(hollow) c) J(solid) > J(hollow) d) J(solid) - J(hollow) = 1

15) If the force acting on a component is denoted by F, and the displacement of moment arm by S, which among the following would be the formula for Torque T? a) F/S b) F x S c) F2 x S d) S/F

16) In using the MTS experiment, if the bottom chuck is fixed, what direction must the top chuck move in order to perform the tension test? a) down b) up c) both d) None of the above

17) Which lab dealt with calculating the shear force and bending moment? a) Lab 3 – Column buckling b) Lab 10 – Compression test and Uncertainty analysis c) Lab 2 – Tensile test d) Lab 1 – Distributed loadings

18) The 3-point bending test was performed in the lab using this equipment? a) MTS machine b) Instron 5948 c) Strain gauge d) STR 2 bending

19) The highest peak value in a stress-strain diagram corresponds to _____ stress? a) Ultimate stress b) Yield stress c) Proportional limit d) Fracture stress

20) Which test is more accurate to determine the strength (Young’s Modulus) of a beam shaped material? a) Column buckling b) 3-point bending c) Tensile test d) Compression test on MTS

14) If two rods (one solid and the other hollow) having same outer diameter are made of the same material, which among the following relation would be true with respect to their polar moment of inertia J)? a) J (solid) J(hollow) b) J (solid) J (hollow) c) J (solid) J(hollow) d) J(solid) J(hollow) -1 15) If the force acting on a component is denoted by F, and the displacement of moment arm by S, which among the following would be the formula for Torque T? a) F/S b) F x S d) S/F c) F2 x S 16) In using the MTS experiment, if the bottom chuck is fixed, what direction must the top chuck move in order to perform the tension test? a) down b) up c) both d) None of the above 17) Which lab dealt with calculating the shear force and bending moment? a) Lab 3-Column buckling b) Lab 10-Compression test and Uncertainty analysis c) Lab 2-Tensile test d) Lab 1 Distributed loadings 18) The 3-point bending test was performed in the lab using this equipment? a) MTS machine b) Instron 5948 c) Strain gauge d) STR 2 bending 19) The highest peak value in a stress-strain diagram corresponds to stress? a) Ultimate stress b) Yield stress c) Proportional limit d) Fracture stress 20) Which test is more accurate to determine the strength (Young\'s Modulus) of a beam shaped material? a) Column buckling b) 3-point bending c) Tensile test d) Compression test on MTS

Solution

14. c

15. b

16. b

17. d

18. d

19. a

20. c , since the slope of the stress strain curve will give the yooungs modulus