Strength of Materials A pair of smith’s tongs is an example of the lever of third order zeioth order first order second order third order zeioth order first order second order 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-<)>) Wcos(a + ) Wsin(a + <(>) Wtan(a + <)>) Wtan(a-<)>) Wcos(a + ) Wsin(a + <(>) Wtan(a + <)>) ANSWER DOWNLOAD EXAMIANS APP
Strength of Materials Pick up wrong statement about friction force for dry surfaces. Friction force is proportional to normal load between the surfaces independent of the area of contact surfaces dependent on the materials of contact surface proportional to velocity of sliding proportional to normal load between the surfaces independent of the area of contact surfaces dependent on the materials of contact surface proportional to velocity of sliding ANSWER DOWNLOAD EXAMIANS APP
Strength of Materials Frictional force encountered after commencement of motion is called limiting friction dynamic friction frictional resistance post friction limiting friction dynamic friction frictional resistance post friction ANSWER DOWNLOAD EXAMIANS APP
Strength of Materials Dynamic friction as compared to static friction is same may be less of more depending on nature of surfaces and velocity more less same may be less of more depending on nature of surfaces and velocity more less ANSWER DOWNLOAD EXAMIANS APP
Strength of Materials The C.G. of a plane lamina will not be at its geometrical centre in the case of a circle square right angled triangle equilateral triangle circle square right angled triangle equilateral triangle ANSWER DOWNLOAD EXAMIANS APP
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