If the rivets in adjacent rows are staggered and the outermost row has only one rivet, the arrangement of the rivets is called__________________?
(A) chain riveting
(B) zig zag riveting
(C) diamond riveting
(D) criss-cross riveting
(D) none of the above
Rivets are made of following type of material_________________?
(A) tough
(B) hard
(C) resilient
(D) ductile
(D) malleable
The deformation of a bar under its own weight compared to the deformation of same body subjected to a direct load equal to weight of the body is_______________?
(A) same
(B) double
(C) half
(D) four times
(D) one-fourth
A boiler shell 200 cm diameter and plate thickness 1.5 cm is subjected to internal pressure of 1.5 MN/m , then the hoop stress will be_________________?
(A) 30 MN/m2
(B) 50 MN/m2
(C) 100 MN/m2
(D) 200 MN/m2
(D) 300 MN/m2
Longitudinal stress in a thin cylinder is__________________?
(A) equal to the hoop stress
(B) twice the hoop stress
(C) half of the hoop stress
(D) one-fourth of hoop stress
(D) four times the hoop stress
The stress necessary to initiate yielding is_________________?
(A) considerably greater than that necessary to continue it
(B) considerably lesser than that necessary to continue it
(C) greater than that necessary to stop it
(D) lesser than that necessary to stop it
(D) equal to that necessary to stop it
The stress developed in a material at breaking point in extension is called_________________?
(A) breaking stress
(B) fracture stress
(C) yield point stress
(D) ultimate tensile stress
(D) proof stress
The elasticity of various materials is controlled by its___________________?
(A) ultimate tensile stress
(B) proof stress
(C) stress at yield point
(D) stress at elastic limit
(D) tensile stress
The ratio of direct stress to volumetric strain in case of a body subjected to three mutually perpendicular stresses of equal intensity, is equal to___________________?
(A) Young’s modulus
(B) bulk modulus
(C) modulus of rigidity
(D) modulus of elasticity
(D) Poisson’s ratio
The internal reaction in bottom 80 cm length will be________________?
(A) same in both cases
(B) zero in first case
(C) different in both cases
(D) data are not sufficient to determine same
(D) none of the above