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 The unit of power in S.I. units is joule kilogram meter/sec. newton meter watt joule kilogram meter/sec. newton meter watt ANSWER DOWNLOAD EXAMIANS APP
Strength of Materials According to principle of moments if a system of coplanar forces is in equilibrium, then the algebraic sum of their moments about any point in their plane is zero positive and negative couples can be balanced the algebraic sum of the moments of any two forces about any point is equal to moment of theiwesultant about the same point if a system of coplanar forces is in equilibrium, then their algebraic sum is zero if a system of coplanar forces is in equilibrium, then the algebraic sum of their moments about any point in their plane is zero positive and negative couples can be balanced the algebraic sum of the moments of any two forces about any point is equal to moment of theiwesultant about the same point if a system of coplanar forces is in equilibrium, then their algebraic sum is zero ANSWER DOWNLOAD EXAMIANS APP
Strength of Materials Effect of a force on a body depends upon magnitude All of the listed here position or line of action direction magnitude All of the listed here position or line of action direction ANSWER DOWNLOAD EXAMIANS APP
Strength of Materials If a number of forces act simultaneously on a particle, it is possible To replace them by a couple To replace them by a single force Not a replace them by a single force To replace them by a single force through C.G. To replace them by a couple To replace them by a single force Not a replace them by a single force To replace them by a single force through C.G. ANSWER DOWNLOAD EXAMIANS APP
Strength of Materials The center of gravity of a uniform lamina lies at the center of heavy portion the mid point of its axis All of these the bottom surface the center of heavy portion the mid point of its axis All of these the bottom surface ANSWER DOWNLOAD EXAMIANS APP
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