Theory of Machine In its simplest form, a cam mechanism consists of following number of links 3 1 2 4 3 1 2 4 ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The sensitiveness of the governor _____ as the speed range decreases. None of the listed here Increases Decreases Remains unaffected None of the listed here Increases Decreases Remains unaffected ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine Which of the following is false statement in respect of differences between machine and structure? In machines, relative motion exists between its members, whereas same does not exist in case of structures Efficiency of machines as well as structures is below 100 % Machines transmit mechanical work, whereas structures transmit forces 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 Efficiency of machines as well as structures is below 100 % Machines transmit mechanical work, whereas structures transmit forces Machines modify movement and work, whereas structures modify forces ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine In a kinematic chain, a quaternary joint is equivalent to One binary joint Two binary joints Three binary joints Four binary joints One binary joint Two binary joints Three binary joints Four binary joints ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine 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 a is +ve and b is -ve a = 0 and b is +ve a is +ve and b is also +ve a is +ve and b = 0 a is +ve and b is -ve a = 0 and b is +ve a is +ve and b is also +ve a is +ve and b = 0 ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The radius of a friction circle for a shaft rotating inside a bearing is (where r = Radius of shaft, and tan φ = Coefficient of friction between the shaft and bearing) r cosφ r tanφ (r/2) cosφ r sinφ r cosφ r tanφ (r/2) cosφ r sinφ ANSWER DOWNLOAD EXAMIANS APP