Q. Which of the following statement is correct as regard to the difference between a machine and a structure?

View solution

Q. The coriolis component of acceleration depends upon

View solution

Q. When no external force acts on a body, after giving it an initial displacement, the body is said to have free vibrations.

View solution

Q. Which of the following is an example of sliding pair?

View solution

Q. The coriolis component of acceleration exists whenever apoint moves along a path that has

View solution

Q. In a steam engine, the distance by which the inner edge of the D-slide valve overlaps the steam port is called lead.

View solution

Q. A shaft of mass (mc)and stiffness (s) is fixed at one end and carries a mass (m) at the other end. The natural frequency of its transverse vibration is same as for longitudinal vibration.

View solution

Q. A spring controlled governor is said to be unstable when the controlling force

View solution

Q. The equivalent length of a simple pendulum depends upon the distance between the point of suspension and the centre of gravity.

View solution

Q. Balancing of rotating and reciprocating parts of an engine is necessary when it runs at

View solution

Q. When the nature of contact between the elements of a pair is such that one element can turn about the other by screw threads, the pair is known as a

View solution

Q. In a locomotive, the resultant unbalanced force due to the two cylinders along the line of stroke, is known as

View solution

Q. The axis of precession is __________ to the plane in which the axis of spin is going to rotate.

View solution

Q. Bifilar suspension method is used to find the

View solution

Q. The equation of motion for a vibrating system with viscous damping is If the roots of this equation are real, then the system will be

View solution

Q. The motion between a pair when limited to a definite direction, irrespective of the direction of force applied, is known as

View solution

Q. The motion of a shaft in a circular hole is an example of

View solution

Q. The brake commonly used in railway trains is

View solution

Q. The face of the tooth is the

View solution

Q. A Hartnell governor has its controlling force (Fc) given by Fc = ar + b, where r is the radius of rotation and a and b are constants. The governor becomes isochronous when

View solution