Theory of Machine Which of the following mechanism is obtained from lower pair? Pantograph All of these Gyroscope Valve and valve gears Pantograph All of these Gyroscope Valve and valve gears ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The relation between the controlling force (Fc) and radius of rotation (r) for a stable spring controlled governor is Fc = a/r + b Fc = ar Fc = ar + b Fc = ar - b Fc = a/r + b Fc = ar Fc = ar + b Fc = ar - b ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine A fixed gear having 200 teeth is in mesh with another gear having 50 teeth. The two gears are connected by an arm. The number of turns made by the smaller gear for one revolution of arm about the centre of bigger gear is 4 2 3 5 4 2 3 5 ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The velocity of a particle moving with simple harmonic motion, at any instant is given by (where ω = Displacement of the particle from mean position) ω √(x² - r²) ω² √(x² - r²) ω² √(r² - x²) ω √(r² - x²) ω √(x² - r²) ω² √(x² - r²) ω² √(r² - x²) ω √(r² - x²) ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The train value of a gear train is Always greater than unity Always less than unity Equal to velocity ratio of a gear train Reciprocal of velocity ratio of a gear train Always greater than unity Always less than unity Equal to velocity ratio of a gear train Reciprocal of velocity ratio of a gear train ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The maximum or minimum value of the swaying couple is ± 2a (1 - c) m.ω².r ± a (1 - c) m.ω².r ± c.m.ω².r ± (a/√2) (1 - c) m.ω².r ± 2a (1 - c) m.ω².r ± a (1 - c) m.ω².r ± c.m.ω².r ± (a/√2) (1 - c) m.ω².r ANSWER DOWNLOAD EXAMIANS APP