". VdoTips: Science Practice Set

APPLY LATEST GOVT JOBS

hi

Science Practice Set

1. Time dependent permanent deformation is called ________________.
(A).Plastic deformation
(B).Elastic deformation
(C).Creep
(D).Anelastic deformation


2. Figure-out the odd point in the following
(A).Proportinal limit
(B).Elastic limit
(C).Yeild point
(D).Fracture point


3. If a material is subjected to two incremental true strains namely ε1 and ε2, then the total true strain is
(A).ε1 * ε2
(B).ε1 - ε2
(C).ε1 + ε2
(D).ε1 / ε2


4. Engineering stress-strain curve and True stress-strain curve are equal up to
(A).Proportional limit
(B).Elastic limit
(C).Yeild point
(D).Tensile strength point


5. Value of Poisson’s ratio for ionic solids in the range of
(A).0.1
(B).0.2
(C).0.3
(D).0.4