The weakest section of a diamond riveting is the section which passes through ___________________?
(A) the first row
(B) the second row
(C) the central row
(D) one rivet hole of the end row
(D) none of the above
Diamond riveted joint can be adopted in the case of following type of joint _____________________?
(A) butt joint
(B) lap joint
(C) double riveted lap joints
(D) all types of joints
(D) none of the above
A riveted joint in which the number otrivets decrease from innermost to outer most row is called__________________?
(A) chain riveted joint
(B) diamond riveted joint
(C) criss-cross riveted joint
(D) zig-zag riveted joint
(D) none of the above
When two plates are butt together and riveted with cover plates with two rows of rivets, the joi;it is known as ___________________?
(A) lap point
(B) butt joint
(C) single riveted single cover butt joint
(D) double riveted double cover butt joint
(D) single riveted double cover butt joint
The distance between the centres of the rivets in adjacent rows of zig-zag riveted joint is known as ____________________?
(A) pitch
(B) back pitch
(C) diagonal pitch
(D) diametral pitch
(D) lap
In a prismatic member made of two materials so joined that they deform equally under axial stress, the unit stresses in two materials are ?
(A) equal
(B) proportional to their respective moduli of elasticity
(C) inversely proportional to their moduli of elasticity
(D) average of the sum of moduli of elas-ticity
(D) none of the above
A non-yielding support implies that the_________________?
(A) support is frictionless
(B) support can take any amount of reaction
(C) support holds member firmly
(D) slope of the beam at the support is zero
(D) none of the above
The C.G. of a plane lamina will not be at its geometrical centre in the case of a __________________?
(A) right angled triangle
(B) equilateral triangle
(C) square
(D) circle
(D) rectangle
A sample of metal weighs 219 gms in air, 180 gms in water, 120 gms in an unknown fluid. Then which is correct statement about density of metal__________________?
(A) density of metal can’t be determined
(B) metal is twice as dense as water
(C) metal will float in water
(D) metal is twice as dense as unknown fluid
(D) none of the above
Which of the following is the locus of a point that moves in such a manner that its distance from a fixed point is equal to its distance from a fixed line multiplied by a constant greater than one_______________?
(A) ellipse
(B) hyperbola
(C) parabola
(D) circle
(D) none of the above