The danger of breakage and vibration is maximum Near the critical speed Above the critical speed Below the critical speed None of these TRUE ANSWER : ? YOUR ANSWER : ?
The example of rolling pair is Bolt and nut Ball bearing and roller bearing Lead screw of a lathe Ball and socket joint TRUE ANSWER : ? YOUR ANSWER : ?
The equation of motion for a vibrating system with viscous damping is (d²x/dt²) + (c/m).(dx/dt) + (s/m).x = 0, if the roots of the equation are __________ then the system will be under damped. Real Complex conjugate Equal None of these TRUE ANSWER : ? YOUR ANSWER : ?
In its simplest form, a cam mechanism consists of following number of links 1 3 4 2 TRUE ANSWER : ? YOUR ANSWER : ?
Which of the following is used to control the speed variations of the engine caused by the fluctuations of the engine turning moment? D-slide valve Governor Flywheel Meyer's expansion valve TRUE ANSWER : ? YOUR ANSWER : ?
The velocity of any point in mechanism relative to any other point on the mechanism on velocity polygon is represented by the line Joining the corresponding points Not possible to determine with these data At 45° to line as per (A) Perpendicular to line as per (A) TRUE ANSWER : ? YOUR ANSWER : ?
In a mechanism, the fixed instantaneous centers are those centers which None of the listed here Moves as the mechanism moves, but joints are of permanent nature Vary with the configuration of the mechanism Remain in the same place for all configurations of the mechanism TRUE ANSWER : ? YOUR ANSWER : ?
In which of the following type of gear train the first gear and the last gear are co-axial. None of the listed here Simple gear train Compound gear train Reverted gear train TRUE ANSWER : ? YOUR ANSWER : ?
A mechanism consisting of four links is called a __________ mechanism. None of these Compound Simple Binary TRUE ANSWER : ? YOUR ANSWER : ?
The example of completely constrained motion is a Motion of a shaft with collars at each end in a circular hole All of these Motion of a square bar in a square hole Motion of a piston in the cylinder of a steam engine TRUE ANSWER : ? YOUR ANSWER : ?