Applied Mechanics and Graphic Statics In a simple screw jack, the pitch of the screw is 9 mm and length of the handle operating the screw is 45 cm. The velocity ratio of the system is 5 25 314 1.5 5 25 314 1.5 ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics The characteristic of a couple is: All listed here A couple can be never the balanced by a single force Algebraic sum of moments of forces, constituting a couple, about any point, is same Algebraic sum of forces, constituting a couple is zero All listed here A couple can be never the balanced by a single force Algebraic sum of moments of forces, constituting a couple, about any point, is same Algebraic sum of forces, constituting a couple is zero ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics In which of the following trusses, the method of substitution is required for determining the forces in all the members of the truss by graphic statics? King post truss Howe truss Fink truss Warren truss King post truss Howe truss Fink truss Warren truss ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics One end of an elastic string of natural length ‘l’ and modulus ‘X’ is kept fixed while to the other end is attached a particle of mass m which is hanging freely under gravity. The particle is pulled down vertically through a distance ‘x’, held at rest and then released.The motion is A damped oscillatory motion A simple harmonic motion A rectilinear motion with constant speed None of these A damped oscillatory motion A simple harmonic motion A rectilinear motion with constant speed None of these ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics A stone is whirled in a vertical circle, the tension in the string, is maximum When the string is horizontal When the stone is at the highest position At all the positions When the stone is at the lowest position When the string is horizontal When the stone is at the highest position At all the positions When the stone is at the lowest position ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics The condilion for a lifting machine to be reversible is that its efficiency should be more than 66.67% more than 50% less than 50% equal to 100% more than 66.67% more than 50% less than 50% equal to 100% ANSWER DOWNLOAD EXAMIANS APP