Strength of Materials Forces are called coplanar when all of them acting on body lie in perpendicular planes one point one plane different planes perpendicular planes one point one plane different planes ANSWER DOWNLOAD EXAMIANS APP
Strength of Materials Which of the following is the example of lever of first order? Arm of man Pair of clinical tongs All of the listed here Pair of scissors Arm of man Pair of clinical tongs All of the listed here Pair of scissors ANSWER DOWNLOAD EXAMIANS APP
Strength of Materials In actual machines mechanical advantage is unity mechanical advantage is equal to velocity ratio mechanical advantage is greater than velocity ratio mechanical advantage is less than velocity ratio mechanical advantage is unity mechanical advantage is equal to velocity ratio mechanical advantage is greater than velocity ratio mechanical advantage is less than velocity ratio ANSWER DOWNLOAD EXAMIANS APP
Strength of Materials The effort required to lift a load W on a screw jack with helix angle a and angle of friction Wtan(a + <)>) Wsin(a + <(>) Wcos(a + ) Wtan(a-<)>) Wtan(a + <)>) Wsin(a + <(>) Wcos(a + ) Wtan(a-<)>) ANSWER DOWNLOAD EXAMIANS APP
Strength of Materials A sample of metal weighs 219 gms in air, 180 gms in water, 120 gms in an unknown fluid. Then which is correct statement about density of metal metal is twice as dense as water density of metal can’t be determined metal is twice as dense as unknown fluid metal will float in water metal is twice as dense as water density of metal can’t be determined metal is twice as dense as unknown fluid metal will float in water 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 20 kg, + ve sense 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 ANSWER DOWNLOAD EXAMIANS APP
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