Theory of Machine In a ball bearing, ball and bearing forms a Rolling pair Spherical pair Turning pair Screw pair Rolling pair Spherical pair Turning pair Screw pair ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine In a four stroke I.C. engine, the turning moment during the compression stroke is Negative throughout Positive throughout Negative during major portion of the stroke Positive during major portion of the stroke Negative throughout Positive throughout Negative during major portion of the stroke Positive during major portion of the stroke ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine Sensitiveness of the governor is defined as the ratio of the Mean speed to the maximum equilibrium speed Sum of the maximum and minimum equilibrium speeds to the mean speed Mean speed to the minimum equilibrium speed Difference of the maximum and minimum equilibrium speeds to the mean speed Mean speed to the maximum equilibrium speed Sum of the maximum and minimum equilibrium speeds to the mean speed Mean speed to the minimum equilibrium speed Difference of the maximum and minimum equilibrium speeds to the mean speed ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The secondary unbalanced force due to inertia of reciprocating parts in a reciprocating engine is given by (where m = Mass of reciprocating parts, ω = Angular speed of crank, r = Radius of crank, θ = Angle of inclination of crank with the line of stroke, and n = Ratio of the length of connecting rod to radius of crank) m.ω².r (sin 2θ/n) m.ω².r (cos 2θ/n) m.ω².r sinθ m.ω².r cosθ m.ω².r (sin 2θ/n) m.ω².r (cos 2θ/n) m.ω².r sinθ m.ω².r cosθ ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine In a shaper mechanism, the Coriolis component of acceleration will Depend on position of crank None of these Not exist Exist Depend on position of crank None of these Not exist Exist ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine Which of the following is used to control the speed variations of the engine caused by the fluctuations of the engine turning moment? Governor Meyer's expansion valve D-slide valve Flywheel Governor Meyer's expansion valve D-slide valve Flywheel ANSWER DOWNLOAD EXAMIANS APP