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 20 kg, – ve sense 10 kg, + ve sense 10 kg, – ve sense 20 kg, + ve sense 20 kg, – ve sense 10 kg, + ve sense ANSWER DOWNLOAD EXAMIANS APP
Strength of Materials The co-efficient of friction depends upon nature of surfaces area of contact shape of the surfaces All of the listed here nature of surfaces area of contact shape of the surfaces All of the listed here ANSWER DOWNLOAD EXAMIANS APP
Strength of Materials Dynamic friction as compared to static friction is may be less of more depending on nature of surfaces and velocity same less more may be less of more depending on nature of surfaces and velocity same less more ANSWER DOWNLOAD EXAMIANS APP
Strength of Materials Forces are called concurrent when their lines of action meet in plane two points perpendicular planes one point plane two points perpendicular planes one point ANSWER DOWNLOAD EXAMIANS APP
Strength of Materials If n = number of members andy = number of joints, then for a perfect frame, n = 2/-3 (b)2j-l (d)3/-2 j-2 2/-3 (b)2j-l (d)3/-2 j-2 ANSWER DOWNLOAD EXAMIANS APP
Strength of Materials Which of the following is not the unit of energy kg m wattr kcal watt hours kg m wattr kcal watt hours ANSWER DOWNLOAD EXAMIANS APP