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- Applied Mechanics & Graphic Statics Mcqs - Set 4
MCQs 1: If the given forces P,, P2, P3 and P4 are such that the force polygon does not close, then the system will___________________?
MCQs 2: Williot-Mohr diagram is used to determine deflection in__________________?
MCQs 3: For a non-concurrent force system to be in equilibrium__________________?
only the closure of force polygon is sufficient
only the closure of funicular polygon is sufficient
both force polygon and funicular polygon must close
none of the above
MCQs 4: The condition of equilibrium for any system of forces in a plane is____________________?
that polygon of forces must close
that resultant couple must be zero
both (A) and (B)
none of the above
MCQs 5: A funicular polygon cannot be made to pass through___________________?
MCQs 6: The pole distance is measured in___________________?
MCQs 7: The member forces in a statically in determinate truss____________________?
can be obtained by graphic statics
cannot be obtained by graphic statics
may be obtained by graphic statics
can be obtained by graphic statics by trial and error
MCQs 8: The graphical method of determining the forces in the members of a truss is based on________________?
MCQs 9: The force polygon representing a set of forces in equilibrium is a_____________________?
MCQs 10: A system of copianar forces is in equilibrium when___________________?
force polygon closes
funicular polygon closes
both force polygon” and funicular polygon close
all the forces are concurrent
MCQs 11: Free body diagram is an____________________?
isolated joint with only body forces acting on it
isolated joint with internal forces acting on it
isolated joint with all the forces, internal as well as external, acting on it
none of the above
MCQs 12: In a lifting machine a weight of 5 kN is lifted through 200 mm by an effort of 0.1 kN moving through 15 m. The mechanical advantage and velocity ratio of the machine are respectively_____________________?
MCQs 13: A stone was thrown vertically upwards from the ground with a velocity of 50 m/sec. After 5 seconds another stone was thrown vertically upwards from the same place. If both the stones strike the ground at the same time, then the velocity with which the second stone was thrown should be (Assume g = 10 m/sec2)______________________?
MCQs 14: A particle is dropped from a height of 3 m on a horizontal floor, which has a coefficient of restitution with the ball of 1/2. The height to which the ball will rebound after striking the floor is____________________?
MCQs 15: One Joule is equivalent to________________?
MCQs 16: If a flywheel increases its speed from 10 rpm to 20 rpm in 10 seconds, then its angular acceleration is_____________________?
MCQs 17: A car goes round a curve of radius 100 m at 25 m/sec. The angle to the horizontal at which the road must be banked to prevent sideways friction on the car wheels is tan”1 x, where x is (Assume g = 10 m/sec2)_____________________?
MCQs 18: A body is dropped from a height of 100 m and at the same time another body is projected vertically upward with a velocity of 10 m/sec. The two particles will____________________?
MCQs 19: Two balls of masses 3 kg and 6 kg are moving with velocities of 4 m/sec and 1 m/sec respectively, towards each other along the line of their centers. After impact the 3 kg ball comes to rest. This can happen only if the coefficient of restitution between the balls is____________________?
MCQs 20: The maximum pull in a cable, carrying a uniformly distributed load and supported at two ends which are at the same level, is at_____________________?
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