Theory of Machine Crowning on pulleys helps Increase belt and pulley life For automatic adjustment of belt position so that belt runs centrally In increasing velocity ratio In decreasing the slip of the belt Increase belt and pulley life For automatic adjustment of belt position so that belt runs centrally In increasing velocity ratio In decreasing the slip of the belt ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine Which type of gear train is used in clock mechanism to join hour hand and minute hand? Compound gear train Reverted gear train Simple gear train Epicyclic gear train Compound gear train Reverted gear train Simple gear train Epicyclic gear train ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine Which of the following is false statement in respect of differences between machine and structure? Machines transmit mechanical work, whereas structures transmit forces Efficiency of machines as well as structures is below 100 % Machines modify movement and work, whereas structures modify forces In machines, relative motion exists between its members, whereas same does not exist in case of structures Machines transmit mechanical work, whereas structures transmit forces Efficiency of machines as well as structures is below 100 % Machines modify movement and work, whereas structures modify forces In machines, relative motion exists between its members, whereas same does not exist in case of structures ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine When the load on the engine increases, it becomes necessary to increase the supply of working fluid and when the load decreases, less working fluid is required. The supply of the working fluid to the engine is controlled by a Flywheel Meyer's expansion valve D-slide valve Governor Flywheel Meyer's expansion valve D-slide valve Governor 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° 180° and 270° 45° and 225° 270° and 360° 90° and 180° 180° and 270° 45° and 225° 270° and 360° ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine In a ball bearing, ball and bearing forms a Screw pair Rolling pair Spherical pair Turning pair Screw pair Rolling pair Spherical pair Turning pair ANSWER DOWNLOAD EXAMIANS APP