Strength of Materials The unit of power in S.I. units is joule kilogram meter/sec. newton meter watt joule kilogram meter/sec. newton meter watt ANSWER DOWNLOAD EXAMIANS APP
Strength of Materials Which of the following is not the unit of power ? kcal/kg sec. kW (kilowatt) hp (horse power) kg m/sec kcal/kg sec. kW (kilowatt) hp (horse power) kg m/sec ANSWER DOWNLOAD EXAMIANS APP
Strength of Materials The resultant of the following three couples 20 kg force, 0.5 m arm, + ve sense 30 kg force, 1 m arm, – ve sense 40 kg force, 0.25 m arm, + ve sense having arm of 0.5 m will be 10 kg, - ve sense 10 kg, + ve sense 20 kg, - ve sense 20 kg, + ve sense 10 kg, - ve sense 10 kg, + ve sense 20 kg, - ve sense 20 kg, + ve sense ANSWER DOWNLOAD EXAMIANS APP
Strength of Materials According to principle of transmissibility of forces, the effect of a force upon a body is Maximum when it acts at the center of gravity of a body Different at different points in its line of action Minimum when it acts at the C.G. of the body The same at every point in its line of action Maximum when it acts at the center of gravity of a body Different at different points in its line of action Minimum when it acts at the C.G. of the body The same at every point in its line of action ANSWER DOWNLOAD EXAMIANS APP
Strength of Materials Which of the following do not have identical dimensions? Torque and work Momentum and impulse Torque and energy Moment of a force and angular momentum Torque and work Momentum and impulse Torque and energy Moment of a force and angular momentum ANSWER DOWNLOAD EXAMIANS APP
Strength of Materials According to principle of moments the algebraic sum of the moments of any two forces about any point is equal to moment of theiwesultant about the same point positive and negative couples can be balanced if a system of coplanar forces is in equilibrium, then their algebraic sum is zero if a system of coplanar forces is in equilibrium, then the algebraic sum of their moments about any point in their plane is zero the algebraic sum of the moments of any two forces about any point is equal to moment of theiwesultant about the same point positive and negative couples can be balanced if a system of coplanar forces is in equilibrium, then their algebraic sum is zero if a system of coplanar forces is in equilibrium, then the algebraic sum of their moments about any point in their plane is zero ANSWER DOWNLOAD EXAMIANS APP