A stepped bar of steel consists of a pmormtion with cross section area – McqOptions

MCQOPTIONS

1.	A stepped bar of steel consists of a pmormtion with cross section area 500 mm2 connected to a portion with cross section area 1000 2. Each portion has a length of 1 m. The modulus of elasticity of steel is200 GPa. The maximum elongation of the bar by applying an axial tensile force at the ends without exceeding a stress of 100 MPa is mm.
A.	0.5
B.	0.75
C.	0.1
D.	0.15
Answer» C. 0.1

Discussion

No Comment Found

Related MCQs

A three hinged parabolic arch rib is acted upon by a single load at the left quarter point. If the central rise is increased and the shape of arch altered to segmental without changing the other details, the horizontal thrust will
Change in length of the rod due to change in temperature depends on…
According to Eddy's theorem, the vertical intercept between the linear arch and the centreline of actual arch at any point represents to some scale
A steel bar ABC (E = 200 GPa) is 1 m long. For AB = 0.7 m, it has cross section P area of 500 mm2 and for BC = 0.3 m the cross section area is 400 mm2. The bar is subjected to an axial pull of 100 kN. The stress is maximum in ___ _
If the rivet value is 16.8 kN and force in the member is 16.3 kN, then the number of rivetsrequired for the connection of the member to a gusset plate is
In a three hinged arch, the linear and the actual arch meet at
Modulus of elasticity is defined as the ratio of
At a point in a strained body carrying two unequal unlike principal stresses pi and p2 (Pi >P2X the maximum shear stress is given by
A steel strip is welded to a copper strip of the same dimensions along the length. The coefficient of thermal expansion for copper is greater than that for steel. If temperature is increased, ___ .
If an axial force of 1 kN is applied to a steel rod of 100 mm2 cross section area, the stress in it will be ___ .