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-<)>) Wtan(a + <)>) Wsin(a + <(>) Wcos(a + ) Wtan(a-<)>) Wtan(a + <)>) Wsin(a + <(>) Wcos(a + ) ANSWER DOWNLOAD EXAMIANS APP
Strength of Materials Kinetic friction is the The friction force acting when the body is just about to move The friction force acting when the body is in motion Ratio of limiting friction and normal reaction Tangent of angle between normal reaction and the resultant of normal reaction and the limiting friction The friction force acting when the body is just about to move The friction force acting when the body is in motion Ratio of limiting friction and normal reaction Tangent of angle between normal reaction and the resultant of normal reaction and the limiting friction ANSWER DOWNLOAD EXAMIANS APP
Strength of Materials The center of percussion of the homogeneous rod of length L suspended at the top will be 2L/3 L/2 L/3 3L/4 2L/3 L/2 L/3 3L/4 ANSWER DOWNLOAD EXAMIANS APP
Strength of Materials From a circular plate of diameter 6 cm is cut out a circle whose diameter is a radius of the plate. Find the e.g. of the remainder from the center of circular plate 1.5 cm 2.5 cm 0.5 cm 1.0 cm 1.5 cm 2.5 cm 0.5 cm 1.0 cm ANSWER DOWNLOAD EXAMIANS APP
Strength of Materials Which of the following is not the unit of work, energy and heat ? kWhr kcal kg m hp kWhr kcal kg m hp ANSWER DOWNLOAD EXAMIANS APP
Strength of Materials In ideal machines mechanical advantage is greater than velocity ratio mechanical advantage is less than velocity ratio mechanical advantage is equal to velocity ratio mechanical advantage is unity mechanical advantage is greater than velocity ratio mechanical advantage is less than velocity ratio mechanical advantage is equal to velocity ratio mechanical advantage is unity ANSWER DOWNLOAD EXAMIANS APP
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