Related Questions

What is the usual value of angle of nip for crushing of ordinary rock in smooth steel crushing rolls?
A 16°
B 32°
C 40°
D 46°
Choke crushing (in case of a Jaw crusher) compared to free crushing
A Results in increased capacity
B Consumes less power
C Consumes more power
D Both A and C
For crushing of solids, the Rittinger's law states that the work required for crushing is proportional to
A The new surface created
B The size reduction ratio
C The change in volume due to crushing
D None of these
The buckling load will be maximum for a column, if
A One end of the column is clamped and the other end is free
B Both ends of the column are clamped
C Both ends of the column are hinged
D One end of the column is hinged and the other end is free
The buckling load for a given material depends on
A Slenderness ratio and area of cross-section
B Poisson's ratio and modulus of elasticity
C Slenderness ratio and modulus of elasticity
D Slenderness ratio, area of cross-section and modulus of elasticity
The buckling load for a given column depends upon
A Area of cross-section of the column
B Length and least radius of gyration of the column
C Modulus of elasticity for the material of the column
D All of the above
Diameter of bubble caps used in high pressure columns is __________ as compared to that used in identical vacuum columns.
A Less
B More
C Same
D Either A or B; no generalisation can be made
In designing a connecting rod, it is considered like __________ for buckling about X-axis.
A Both ends hinged
B Both ends fixed
C One end fixed and the other end hinged
D One end fixed and the other end free
In designing a connecting rod, it is considered like __________ for buckling about Y-axis.
A Both ends hinged
B Both ends fixed
C One end fixed and the other end hinged
D One end fixed and the other end free
In order to have a connecting rod equally strong in buckling about X-axis and Y-axis, the moment of inertia about X-axis should be __________ the moment of inertia about Y-axis.
A Equal to
B Twice
C Three times
D Four times

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