Strength of Materials Which of the following is not the unit of energy kg m wattr watt hours kcal kg m wattr watt hours kcal 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 Not a replace them by a single force To replace them by a single force To replace them by a single force through C.G. To replace them by a couple Not a replace them by a single force To replace them by a single force To replace them by a single force through C.G. 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-<)>) Wsin(a + <(>) Wcos(a + ) Wtan(a + <)>) Wtan(a-<)>) Wsin(a + <(>) Wcos(a + ) Wtan(a + <)>) ANSWER DOWNLOAD EXAMIANS APP
Strength of Materials The coefficient of friction depends on area of contact shape of surfaces nature of surface strength of surfaces area of contact shape of surfaces nature of surface strength of surfaces ANSWER DOWNLOAD EXAMIANS APP
Strength of Materials Which of the following is the example of lever of first order? Pair of clinical tongs All of the listed here Pair of scissors Arm of man Pair of clinical tongs All of the listed here Pair of scissors Arm of man 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 10 kg, - ve sense 20 kg, + ve sense 10 kg, + ve sense 20 kg, - ve sense 10 kg, - ve sense 20 kg, + ve sense 10 kg, + ve sense ANSWER DOWNLOAD EXAMIANS APP