Strength of Materials A pair of smith’s tongs is an example of the lever of second order third order first order zeioth order second order third order first order zeioth 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<="" div=""> Wcos(a + ) Wtan(a-<)>) Wsin(a + <(>) Wtan(a + <)>) Wcos(a + ) Wtan(a-<)>) Wsin(a + <(>) Wtan(a + <)>) ANSWER DOWNLOAD EXAMIANS APP
Strength of Materials Which of the following is not the unit of power ? kg m/sec kW (kilowatt) hp (horse power) kcal/kg sec. kg m/sec kW (kilowatt) hp (horse power) kcal/kg sec. ANSWER DOWNLOAD EXAMIANS APP
Strength of Materials Kinetic friction is the The friction force acting when the body is just about to move Tangent of angle between normal reaction and the resultant of normal reaction and the limiting friction The friction force acting when the body is in motion Ratio of limiting friction and normal reaction The friction force acting when the body is just about to move Tangent of angle between normal reaction and the resultant of normal reaction and the limiting friction The friction force acting when the body is in motion Ratio of limiting friction and normal reaction 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 The same at every point 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 Different at different points in its line of action The same at every point in its line of action Minimum when it acts at the C.G. of the body ANSWER DOWNLOAD EXAMIANS APP
Strength of Materials Dynamic friction as compared to static friction is more 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 ANSWER DOWNLOAD EXAMIANS APP
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