Strength of Materials Center of percussion is the point of C.G. the point of metacentre 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 C.G. the point of metacentre 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 ANSWER DOWNLOAD EXAMIANS APP
Strength of Materials In actual machines mechanical advantage is greater than velocity ratio mechanical advantage is unity mechanical advantage is less than velocity ratio mechanical advantage is equal to velocity ratio mechanical advantage is greater than velocity ratio mechanical advantage is unity mechanical advantage is less than velocity ratio mechanical advantage is equal to velocity ratio ANSWER DOWNLOAD EXAMIANS APP
Strength of Materials The resultant of the following three couples 20 kg force, 0.5 m arm, + ve sense 30 kg force, 1 m arm, – ve sense 40 kg force, 0.25 m arm, + ve sense having arm of 0.5 m will be 20 kg, + ve sense 20 kg, – ve sense 10 kg, + ve sense 10 kg, – ve sense 20 kg, + ve sense 20 kg, – ve sense 10 kg, + ve sense 10 kg, – ve sense ANSWER DOWNLOAD EXAMIANS APP
Strength of Materials The unit of force in S.I. units is kilogram watt dyne newton kilogram watt dyne newton 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=""> Wsin(a + <(>) Wtan(a-<)>) Wtan(a + <)>) Wcos(a + ) Wsin(a + <(>) Wtan(a-<)>) Wtan(a + <)>) Wcos(a + ) ANSWER DOWNLOAD EXAMIANS APP
Strength of Materials Which of the following is not the unit of pressure ? mm of wcl kg/cm newton. atmosphere mm of wcl kg/cm newton. atmosphere ANSWER DOWNLOAD EXAMIANS APP
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