Engineering Mechanics Work done is said to be zero, when None of these No force acts on a body but some displacement takes place Some force acts on a body, but displacement is zero Either (A) or (B) None of these No force acts on a body but some displacement takes place Some force acts on a body, but displacement is zero Either (A) or (B) ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics A differential pulley block has larger and smaller diameters of 100 mm and 80 mm respectively. Its velocity ratio is 40 20 5 10 40 20 5 10 ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics Mass moment of inertia of a uniform thin rod of mass M and length (l) about its mid-point and perpendicular to its length is (3/4) Ml² (2/3) Ml² (1/3) Ml² (1/12) Ml² (3/4) Ml² (2/3) Ml² (1/3) Ml² (1/12) Ml² ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics The impact between two lead spheres is approximately equal to an __________ impact. Elastic None of these Inelastic Solid Elastic None of these Inelastic Solid 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. Less than Equal to None of these Greater than Less than Equal to None of these Greater than ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics The acceleration of a particle moving with simple harmonic motion is __________ at the mean position. None of these Minimum Zero Maximum None of these Minimum Zero Maximum ANSWER DOWNLOAD EXAMIANS APP