# QUIZ 1

## Quiz by Ailynn Vel Rayos

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50 questions

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- Q1Hooke’s law holds good uptoyield pointbreaking pointelastic limitplastic limit60s
- Q2The ratio of linear stress to linear strain is calledmodulus of elasticitybulk moduluspoisson's ratiomodulus of rigidity60s
- Q3The modulus of elasticity for mild steel is approximately equal to110 kN/mm^280 kN/mm^2210 kN/mm^2100 kN/mm^260s
- Q4When the material is loaded within elastic limit, then the stress is ......... to strain.equaldirectly proportionalinversely proportional60s
- Q5When a hole of diameter ‘d' is punched in a metal of thickness `t', then the force required to punch a hole is equal to _______. (where τ(u) = Ultimate shear strength of the material of the plate.)πd.t.τ(u)(π/4)(d^2).τ(u)d.t.τ(u)(π/4)(d^2).t.τ(u)60s
- Q6The ratio of the ultimate stress to the design stress is known asstrainelastic limitbulk modulusfactor of safety60s
- Q7The factor of safety for steel and for steady load is628460s
- Q8An aluminium member is designed based onproof stressyield stresselastic limit stressultimate stress60s
- Q9In a body, a thermal stress is one which arises because of the existence oftemperature gradienttotal heatlatent heatspecific heat60s
- Q10A localised compressive stress at the area of contact between two members is known asbearing stresstensile stressshear stressbending stress60s
- Q11The Poisson’s ratio for steel varies from0.38 to 0.450.33 to 0.380.21 to 0.250.25 to 0.3360s
- Q12The stress in the bar when load is applied suddenly is ............. as compared to the stress induced due to gradually applied load.three timessamedoublefour times60s
- Q13The energy stored in a body when strained within elastic limit is known asimpact energystrain energyproof resilienceresilience60s
- Q14The maximum energy that can be stored in a body due to external loading upto the elastic limit is calledresiliencestrain energymodulus of resilienceproof resilience60s
- Q15The strain energy stored in a body, when suddenly loaded, is .............. the strain energy stored when same load is applied gradually.one-halffour timesequal totwice60s