1. The thermal or temperature stress is a function of ?

increase in temperature

modulus of elasticity

coefficient of linear expansion

all of these

Answer: all of these


2. When a body is subjected to three mutually perpendicular stresses, of equal intensity, the ratio of direct stress to the corresponding volumetric strain is known as ?

Young's modulus

modulus of rigidity

bulk modulus

Poisson's ratio

Answer: bulk modulus


3. Resilience is the ?

energy stored in a body when strained within elastic limits

energy stored in a body when strained upto the breaking of the specimen

maximum strain energy which can be stored in a body

none of the above

Answer: none of the above


4. When a load on the free end of a cantilever beam is increased, failure will occur ?

at the free end

at the fixed end

in the middle of the beam

at a distance 21/3 from free end

Answer: at the fixed end


5. The load required to produce a unit deflection in a spring is called ?

flexural rigidity

torsional rigidity

spring stiffness

Young's modulus

Answer: spring stiffness


6. A steel bar 2 m long, 20 mm wide and 10 mm thick is subjected to a pull of 2 kN. If the same bar is subjected to a push of 2 kN, the Poission's ratio of the bar in tension will be .............. the Poisson's ratio for the bar in compression ?

equal to

less than

greater than

both c and d

Answer: equal to


7. Within elastic limit, shear stress is................. shear strain ?

equal to

less than

directly proportional to

inversely proportional to

Answer: directly proportional to


8. When a body is subjected to a direct tensile stress (?) in one plane, the maximum shear stress is............... the maximum normal stress ?

equal to




Answer: one-half


9. A simply supported beam 'A' of length 4, breadth b and depth d carries a central load W. Another beam 'B' of the same dimensions carries a central load equal to 2 W. The deflection of beam 'B' will be.............as that of beam 'A' ?




four times

Answer: double


10. The energy stored in a body when strained within elastic limit is known as ?


proof resilience

strain energy

impact energy

Answer: strain energy