Theory of Machine In involute gears, the pressure angle is Always variable Dependent on the size of gears Dependent on the size of teeth Always constant Always variable Dependent on the size of gears Dependent on the size of teeth Always constant ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The lead screw of a lathe with nut forms a Rolling pair Screw pair Sliding pair Turning pair Rolling pair Screw pair Sliding pair Turning pair ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine What is the number of instantaneous centers for an eight link mechanism? 15 30 28 8 15 30 28 8 ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine In a steam engine, one method of obtaining the earlier cut-off with a simple slide valve is by increasing the angle of advance of the eccentric while the throw of the eccentric, steam lap and exhaust lap are kept constant. This method will Reduce maximum opening of port to steam All of these Cause withdrawing or throttling of steam Reduce length of effective stroke of piston Reduce maximum opening of port to steam All of these Cause withdrawing or throttling of steam Reduce length of effective stroke of piston ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The swaying couple is maximum or minimum when the angle of inclination of the crank to the line of stroke (θ) is equal to 90° and 180° 45° and 225° 270° and 360° 180° and 270° 90° and 180° 45° and 225° 270° and 360° 180° and 270° ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine In a four bar chain or quadric cycle chain Two are turning pairs and two are sliding pairs One is a turning pair and three are sliding pairs Each of the four pairs is a turning pair Three are turning pairs and one is a sliding pair Two are turning pairs and two are sliding pairs One is a turning pair and three are sliding pairs Each of the four pairs is a turning pair Three are turning pairs and one is a sliding pair ANSWER DOWNLOAD EXAMIANS APP