Strength of Materials The effort required to lift a load W on a screw jack with helix angle a and angle of friction Wcos(a + ) Wtan(a-<)>) Wtan(a + <)>) Wsin(a + <(>) Wcos(a + ) Wtan(a-<)>) Wtan(a + <)>) Wsin(a + <(>) ANSWER DOWNLOAD EXAMIANS APP
Strength of Materials The unit of force in S.I. units is newton dyne kilogram watt newton dyne kilogram watt ANSWER DOWNLOAD EXAMIANS APP
Strength of Materials A framed structure is perfect if it contains members equal to (where n = number of joints in a frame) n-2 2n-l n-l 2n-3 n-2 2n-l n-l 2n-3 ANSWER DOWNLOAD EXAMIANS APP
Strength of Materials A body moves, from rest with a constant acceleration of 5 m per sec. The distance covered in 5 sec is most nearly 124 m 38 m 62.5 m 96 m 124 m 38 m 62.5 m 96 m 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 will float in water metal is twice as dense as unknown fluid metal is twice as dense as water density of metal can’t be determined metal will float in water metal is twice as dense as unknown fluid ANSWER DOWNLOAD EXAMIANS APP
Strength of Materials Which of the following is the example of lever of first order? Arm of man Pair of scissors Pair of clinical tongs All of the listed here Arm of man Pair of scissors Pair of clinical tongs All of the listed here ANSWER DOWNLOAD EXAMIANS APP
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