Theory of Machine A mechanism is an assemblage of Three links All of these Four or more than four links Two links Three links All of these Four or more than four links Two links ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine In the below figure, PC is the connecting rod and OC is the crank making an angle θ with the line of stroke PO and rotates with uniform angular velocity at ω rad/s. The Klien's acceleration diagram for determining the acceleration of the piston P is shown by quadrilateral CQNO, the acceleration of the piston is _________ when the crank OC and connecting rod PC are at right angles to each other. Zero Infinity Any -ve value Any +ve value Zero Infinity Any -ve value Any +ve value ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine A rigid body, under the action of external forces, can be replaced by two masses placed at a fixed distance apart. The two masses form an equivalent dynamical system, if The sum of the two masses is equal to the total mass of body All of these The center of gravity of the two masses coincides with that of the body The sum of mass moment of inertia of the masses about their center of gravity is equal to the mass moment of inertia of the body The sum of the two masses is equal to the total mass of body All of these The center of gravity of the two masses coincides with that of the body The sum of mass moment of inertia of the masses about their center of gravity is equal to the mass moment of inertia of the body ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The Klein's method of construction for reciprocating engine mechanism Enables determination of Cariole’s component Is based on acceleration diagram Utilizes a quadrilateral similar to the diagram of mechanism for reciprocating engine Is a simplified form of instantaneous center method Enables determination of Cariole’s component Is based on acceleration diagram Utilizes a quadrilateral similar to the diagram of mechanism for reciprocating engine Is a simplified form of instantaneous center method ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The unbalanced force due to reciprocating masses Varies in magnitude and direction both Constant in magnitude and direction both Varies in magnitude but constant in direction Varies in direction but constant in magnitude Varies in magnitude and direction both Constant in magnitude and direction both Varies in magnitude but constant in direction Varies in direction but constant in magnitude ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The relation between number of links (l) and number of joints (j) in a kinematic chain is l = (2/3).(j + 2) l = j + 4 l = (1/2).(j + 2) l = (3/4).(j + 3) l = (2/3).(j + 2) l = j + 4 l = (1/2).(j + 2) l = (3/4).(j + 3) ANSWER DOWNLOAD EXAMIANS APP
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