Engineering Mechanics The velocity ratio for the first system of pulleys is (where n is the number of pulleys.) n 2n - 1 2n n² n 2n - 1 2n n² ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics Whenever a force acts on a body and the body undergoes a displacement, then None of these Work is said to be done Power is being transmitted Body has kinetic energy of translation None of these Work is said to be done Power is being transmitted Body has kinetic energy of translation ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics A framed structure is perfect, if the number of members are __________ (2j - 3), where j is the number of joints. None of these Less than Greater than Equal to None of these Less than Greater than Equal to ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics A ladder is resting on a smooth ground and leaning against a rough vertical wall. The force of friction will act Downward at its upper end Upward at its upper end Away from the wall at its upper end Towards the wall at its upper end Downward at its upper end Upward at its upper end Away from the wall at its upper end Towards the wall at its upper end ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics The time of flight (t) of a projectile on a horizontal plane is given by t = 2u. tanα/g t = 2u. sinα/g t = 2u/g.sinα t = 2u. cosα/g t = 2u. tanα/g t = 2u. sinα/g t = 2u/g.sinα t = 2u. cosα/g ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics The power developed by a body acted upon by a torque 'T' Newton meter (N - m) and revolving at ω radian/s is given by T.ω/75 (in kilowatts) T.ω/60 (in watts) T.ω/4500 (in kilowatts) T.ω (in watts) T.ω/75 (in kilowatts) T.ω/60 (in watts) T.ω/4500 (in kilowatts) T.ω (in watts) ANSWER DOWNLOAD EXAMIANS APP