Strength of Materials A framed structure is perfect if it contains members equal to (where n = number of joints in a frame) 2n-3 2n-l n-l n-2 2n-3 2n-l n-l n-2 ANSWER DOWNLOAD EXAMIANS APP
Strength of Materials Center of percussion is the point of C.G. point of suspension the point of application of the resultant of all the forces tending to cause a body to rotate about a certain axis the point of metacentre the point of C.G. point of suspension the point of application of the resultant of all the forces tending to cause a body to rotate about a certain axis the point of metacentre 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-<)>) Wtan(a + <)>) Wcos(a + ) Wsin(a + <(>) Wtan(a-<)>) Wtan(a + <)>) Wcos(a + ) Wsin(a + <(>) ANSWER DOWNLOAD EXAMIANS APP
Strength of Materials The co-efficient of friction depends upon shape of the surfaces nature of surfaces All of the listed here area of contact shape of the surfaces nature of surfaces All of the listed here area of contact ANSWER DOWNLOAD EXAMIANS APP
Strength of Materials A heavy ladder resting on floor and against a vertical wall may not be in equilibrium, if the floor is rough, the wall is smooth the floor and wall both are rough sur-faces the floor and wall both are smooth surfaces the floor is smooth, the wall is rough the floor is rough, the wall is smooth the floor and wall both are rough sur-faces the floor and wall both are smooth surfaces the floor is smooth, the wall is rough ANSWER DOWNLOAD EXAMIANS APP
Strength of Materials Effect of a force on a body depends upon position or line of action direction All of the listed here magnitude position or line of action direction All of the listed here magnitude ANSWER DOWNLOAD EXAMIANS APP
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