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**The factor which affects the critical speed of a shaft is****When the particles of a body moves perpendicular to its axis, then the body is said to have****In Meyer's expansion valve, the expansion valve is driven by an eccentric having an angle of advance…****The product of the diametral pitch and circular pitch is equal to****The minimum force required to slide a body of weight W on a rough horizontal plane is****Oldham's coupling is the****A rotor supported at A and B carries two masses as shown in the below figure. The rotor is****The two elements of a pair are said to form a _________ when they permit relative motion between them.****When the crank is at the inner dead centre, in a reciprocating steam engine, then the velocity of the…****The radius of a friction circle for a shaft rotating inside a bearing is (where r = Radius of shaft,…****The sensitiveness of the governor __________ as the speed range decreases.****Klein's construction can be used to determine acceleration of various parts when the crank is at****The centre of percussion is below the centre of gravity of the body and is at a distance equal to****A simple spring-mass vibrating system has a natural frequency of fn. If the spring stiffness is halved…****The absolute acceleration of any point P in a link about center of rotation O is****A Porter governor is a****In a screw jack, the effort required to lower the load W is given by****Which of the following disciplines provides study of inertia forces arising from the combined effect…****A point B on a rigid link AB moves with respect to A with angular velocity ω rad/s. The radial…****When the speed of the engine fluctuates continuously above and below the mean speed, the governor is…****In order to facilitate starting of locomotive in any position, the cranks of a locomotive with two cylinders,…****Which of the following statement is correct for involute gears?****When the radius of rotation of balls __________ as the equilibrium speed increases, the governor is…****Typewriter constitutes****The critical speed of a shaft depends upon its****A Hartnell governor has its controlling force (Fc) given by Fc = ar + b, where r is the radius of rotation…****The secondary unbalanced force due to inertia of reciprocating parts in a reciprocating engine is given…****The cam and follower is an example of****In order to give the primary balance of the reciprocating parts of a multi-cylinder inline engines,****The example of rolling pair is**