1
GATE ME 1989
MCQ (Single Correct Answer)
+1
-0.3
Increase in water content in moding sand causes
A
Flowability to go through a maxima
B
Permeability to go through a maxima
C
Compressive strength to go through a maxima
D
strength to go through a maxima
2
GATE ME 1989
MCQ (Single Correct Answer)
+1
-0.3
Chills are used in molds to
A
achieve directional solidification
B
reduce possibility of blow holes
C
reduce the freezing time
D
smoothen the metal for reducing spatter.
3
GATE ME 1989
MCQ (Single Correct Answer)
+1
-0.3
A cylindrical elastic body subjected to pure torsion about its axis develops:
A
tensile stress in a direction 45o to the axis
B
no tensile or compressive stress
C
maximum shear stress along the axis of the shaft
D
maximum shear stress at 450 to the axis
4
GATE ME 1989
MCQ (Single Correct Answer)
+1
-0.3
For a simply supporting beam on two end supports the Bending Moment is maximum:
A
usually on the supports
B
always at mid span
C
where there is no shear force
D
where the deflection is maximum
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