Engineering Mechanics The angle between two forces when the resultant is maximum and minimum respectively are 90° and 180° 180° and 0° 90° and 0° 0° and 180° 90° and 180° 180° and 0° 90° and 0° 0° and 180° ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics A machine having an efficiency greater than 50%, is known as Neither reversible nor non-reversible machine Reversible machine Non-reversible machine Ideal machine Neither reversible nor non-reversible machine Reversible machine Non-reversible machine Ideal machine ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics If the gravitational acceleration at any place is doubled, then the weight of a body will be g g/2 2g √2.g g g/2 2g √2.g ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics The centre of percussion of the homogeneous rod of length ‘L’ suspended at the top will be L/2 L/3 2L/3 3L/4 L/2 L/3 2L/3 3L/4 ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics Varingon's theorem of moments states that if a number of coplanar forces acting on a particle are in equilibrium, then The algebraic sum of their moments about any point in their plane is zero Their lines of action are at equal distances The algebraic sum of their moments about any point is equal to the moment of their resultant force about the same point Their algebraic sum is zero The algebraic sum of their moments about any point in their plane is zero Their lines of action are at equal distances The algebraic sum of their moments about any point is equal to the moment of their resultant force about the same point Their algebraic sum is zero ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics A particle moves along a straight line such that distance (x) traversed in 't' seconds is given by x = t² (t - 4), the acceleration of the particle will be given by the equation 6t² - 8t 6f - 8 3t² + 2t 6f - 4 6t² - 8t 6f - 8 3t² + 2t 6f - 4 ANSWER DOWNLOAD EXAMIANS APP