Engineering Mechanics The angle between two forces when the resultant is maximum and minimum respectively are 90° and 180° 180° and 0° 0° and 180° 90° and 0° 90° and 180° 180° and 0° 0° and 180° 90° and 0° ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics The maximum velocity of a particle moving with simple harmonic motion is ω ω/r ωr ω2r ω ω/r ωr ω2r ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics A weight of 1000 N can be lifted by an effort of 80 N. If the velocity ratio is 20, the machine is None of these Reversible Ideal Non-reversible None of these Reversible Ideal Non-reversible ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics The units of moment of inertia of mass are m²/kg kg-m² kg/m kg/m² m²/kg kg-m² kg/m kg/m² ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics An ideal machine is one whose efficiency is Between 70 and 80% 1 Between 60 and 70 % Between 80 and 90% Between 70 and 80% 1 Between 60 and 70 % Between 80 and 90% ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics The maximum efficiency of a screw jack is (1 + tanφ)/(1 - tanφ) (1 - sinφ)/(1 + sinφ) (1 + sinφ)/(1 - sinφ) (1 - tanφ)/(1 + tanφ) (1 + tanφ)/(1 - tanφ) (1 - sinφ)/(1 + sinφ) (1 + sinφ)/(1 - sinφ) (1 - tanφ)/(1 + tanφ) ANSWER DOWNLOAD EXAMIANS APP