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.Management Sciences
Category: Applied Mechanics and Graphic Statics
Instantaneous center is at infinity when the angular velocity is _________________?
0
A. constant
B. zero
C. maximum
D. minimum
A shell of mass 100 kg travelling with a velocity of 10 m/sec breaks into two equal pieces during an explosion which provides an extra kinetic energy of 20000 Joules. If the pieces continue to move in the same direction as before, then the speed of the faster one must be____________________?
A. 20 m/sec
B. 30 m/sec
C. 40 m/sec
D. 50 m/sec
A cylinder will slip on an inclined plane of inclination 0 if the coefficient of static friction between plane and cylinder is_____________________?
A. less than (1/3) tan 0
B. less than (2/3) tan 0
C. less than (1/3) sin 6
D. less than (2/3) sin 6
A uniform pyramid and a uniform prism of same height lie with their base on the surface. Which is more stable ?
A. pyramid
B. prism
C. both equally stable
D. none of the above
A cube on a smooth horizontal surface___________________?
A. cannot be in stable equilibrium
B. cannot be in neutral equilibrium
C. cannot be in unstable equilibrium
D. can be in any of these states
The angle of projection at which the horizontal range and maximum height of a projectile are equal to___________________?
A. 45°
B. tan-1 (2)
C. tan-‘ (4)
D. tan”1 (1/4)
The member forces in a statically in determinate truss____________________?
A. can be obtained by graphic statics
B. cannot be obtained by graphic statics
C. may be obtained by graphic statics
D. can be obtained by graphic statics by trial and error
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