1
GATE ME 1991
Fill in the Blanks
+1
-0
In a shaft with a transverse hole, as the hole to the shaft diameter ratio ___________ (increases / decreases), the torsional stress concentration factor__________ (increases/decreases)
2
GATE ME 1990
MCQ (Single Correct Answer)
+1
-0.3
The process of shot peening increases the fatigue life of steel springs mainly because it results in
A
surface hardening
B
increased stiffness of the material
C
structural changes in the material
D
residual compression at the surface
3
GATE ME 1989
MCQ (Single Correct Answer)
+1
-0.3
Stress concentration in a machine component of a ductile material is not so harmful as it is in a brittle material because
A
in ductile material local yielding may distribute stress concentration
B
ductile material has larger Young's materials.
C
Poisson's ratio is larger in ductile materials.
D
Modulus of rigidity is larger in ductile materials.
GATE ME Subjects
Turbo Machinery
EXAM MAP