In order to give the primary balance of the reciprocating parts of a multi-cylinder inline engines None of these Both (A) and (B) The algebraic sum of the couples about any point in the plane of the primary forces must be equal to zero The algebraic sum of the primary forces must be equal to zero TRUE ANSWER : ? YOUR ANSWER : ?
In a cone pulley, if the sum of radii of the pulleys on the driving and driven shafts is constant, then Crossed belt drive is recommended Both open belt drive and crossed belt drive is recommended Open belt drive is recommended The drive is recommended depending upon the torque transmitted TRUE ANSWER : ? YOUR ANSWER : ?
A chain comprises of 5 links having 5 joints. Is it kinematic chain? No Data are insufficient to determine it Yes It is a marginal case TRUE ANSWER : ? YOUR ANSWER : ?
In a four-bar chain it is required to give an oscillatory motion to the follower for a continuous rotation of the crank. For the lengths of 50 mm of crank and 70 mm of the follower, determine theoretical maximum length of coupler. The distance between fixed pivots of crank and followers is 95 mm 45 mm Slightly more than 95 mm Slightly less than 95 mm TRUE ANSWER : ? YOUR ANSWER : ?
A shaft carrying three rotors will have No node Three nodes Two nodes One node TRUE ANSWER : ? YOUR ANSWER : ?
In a vibrating system, if the actual damping coefficient is 40 N/m/s and critical damping coefficient is 420 N/m/s, then logarithmic decrement is equal to 0.8 0.2 0.4 0.6 TRUE ANSWER : ? YOUR ANSWER : ?
The minimum periodic time of a compound pendulum is (1/2π). √(kG/g) (1/2π). √(2kG/g) 2π. √(kG/g) 2π. √(2kG/g) TRUE ANSWER : ? YOUR ANSWER : ?
When a shaking force is transmitted through the springs, damping becomes detrimental when the ratio of its frequency to the natural frequency is greater than 2 0.5 1 0.25 TRUE ANSWER : ? YOUR ANSWER : ?
Which of the following is an example of sliding pair? Shaft with collars at both ends fitted into a circular hole Ball and a socket joint Piston and cylinder of a reciprocating steam engine Lead screw of a lathe with nut TRUE ANSWER : ? YOUR ANSWER : ?
Scotch yoke mechanism is used to generate Logarithms Square roots Sine functions Inversions TRUE ANSWER : ? YOUR ANSWER : ?