Strength of Materials The magnitude of two forces, which when acting at right angle produce resultant force of VlOkg and when acting at 60° produce resultant of Vl3 kg. These forces are 3 and 1 kg V5 and V5 2 and 5 2 and V6 3 and 1 kg V5 and V5 2 and 5 2 and V6 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 20 kg, - ve sense 10 kg, + ve sense 20 kg, + ve sense 10 kg, - ve sense 20 kg, - ve sense 10 kg, + ve sense 20 kg, + ve sense ANSWER DOWNLOAD EXAMIANS APP
Strength of Materials Two coplanar couples having equal and opposite moments Are equivalent Balance each other Produce a couple and an unbalanced force Produce a moment of couple Are equivalent Balance each other Produce a couple and an unbalanced force Produce a moment of couple ANSWER DOWNLOAD EXAMIANS APP
Strength of Materials Which of the following is not the unit of energy wattr watt hours kcal kg m wattr watt hours kcal kg m ANSWER DOWNLOAD EXAMIANS APP
Strength of Materials According to principle of transmissibility of forces, the effect of a force upon a body is Minimum when it acts at the C.G. of the body Maximum when it acts at the center of gravity of a body The same at every point in its line of action Different at different points in its line of action Minimum when it acts at the C.G. of the body Maximum when it acts at the center of gravity of a body The same at every point in its line of action Different at different points in its line of action ANSWER DOWNLOAD EXAMIANS APP
Strength of Materials A framed structure is perfect if it contains members equal to (where n = number of joints in a frame) n-l 2n-l n-2 2n-3 n-l 2n-l n-2 2n-3 ANSWER DOWNLOAD EXAMIANS APP
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