Theory of Machine The frequency of damped vibrations with viscous damping is ________ the frequency of undamped vibrations. None of these Less than Same as More than None of these Less than Same as More than ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine Balancing of rotating and reciprocating parts of an engine is necessary when it runs at Highs peed Slow speed Moderate speed Any one of these Highs peed Slow speed Moderate speed Any one of these ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine In Meyer's expansion valve, the main valve is driven by an eccentric having an angle of advance from 30°-40° 15°-25° 25°-30° 10°-15° 30°-40° 15°-25° 25°-30° 10°-15° ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The partial balancing means Balancing partially reciprocating masses Balancing partially revolving masses Best balancing of engines All of these Balancing partially reciprocating masses Balancing partially revolving masses Best balancing of engines All of these ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The efficiency of a screw jack is maximum, when (where α = Helix angle, and φ = Angle of friction) α = 45° + φ/2 α = 45° - φ/2 α = 90° - φ α = 90° + φ α = 45° + φ/2 α = 45° - φ/2 α = 90° - φ α = 90° + φ ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine For a kinematic chain to be considered as mechanism Two links should be fixed One link should be fixed None of the links should be fixed There is no such criterion Two links should be fixed One link should be fixed None of the links should be fixed There is no such criterion ANSWER DOWNLOAD EXAMIANS APP