331. The planes, which carry no shear stress, are known as principal planes.
TRUE
FALSE
✅ The correct answer is option A.
Strength of Materials MCQs
332. When a material is loaded within elastic limit, the material will regain its shape and size when the load is removed.
Agree
Disagree
✅ The correct answer is option A.
333. The maximum shear stress in a thin spherical shell subjected to an internal pressure (p) is zero.
Yes
No
✅ The correct answer is option A.
334. The maximum bending moment for the beam shown in the below figure, is
✅ The correct answer is option C.
335. The breaking stress is __________ the ultimate stress.
equal to
less than
greater than
✅ The correct answer is option B.
336. The extremeties of any diameter on Mohr’s circle represent
principal stresses
normal stresses on planes at 45°
shear stresses on planes at 45°
normal and shear stres
✅ The correct answer is option B.
337. The given figure shows the Mohr’s circle of stress for two unequal and like principal stresses (σx and σy) acting at a body across two mutually perpendicular planes. The normal stress on an oblique section making an angle θ with the minor principle plane is given by
OC
OP
OQ
PQ
✅ The correct answer is option C.
338. In the below figure, stress is proportional to strain, for the portion
from O to A
from A to C
from A to D
from D to E
✅ The correct answer is option A.
339. A beam encastered at both the ends is called
simply supported beam
fixed beam
cantilever beam
continuous beam
✅ The correct answer is option B.
340. The Rankine’s constant for a mild steel column with both ends hinged is
1/750
1/1600
Jan-00
Jan-00
✅ The correct answer is option C.