Strength of Materials In ideal machines mechanical advantage is equal to velocity ratio mechanical advantage is unity mechanical advantage is less than velocity ratio mechanical advantage is greater than velocity ratio mechanical advantage is equal to velocity ratio mechanical advantage is unity mechanical advantage is less than velocity ratio mechanical advantage is greater than 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 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
Strength of Materials A body of weight W on inclined plane of a being pulled up by a horizontal force P will be on the point of motion up the plane when P is equal to Wtan(a + <|)) Wan(a-) W sin (a + $) W Wtan(a + <|)) Wan(a-) W sin (a + $) W ANSWER DOWNLOAD EXAMIANS APP
Strength of Materials Which of the following is not the unit of work, energy and heat ? kWhr kg m kcal hp kWhr kg m kcal hp ANSWER DOWNLOAD EXAMIANS APP
Strength of Materials Which of the following is not the unit of power ? kW (kilowatt) kg m/sec hp (horse power) kcal/kg sec. kW (kilowatt) kg m/sec hp (horse power) kcal/kg sec. ANSWER DOWNLOAD EXAMIANS APP
Strength of Materials Which of the following is the example of lever of first order? All of the listed here Pair of scissors Pair of clinical tongs Arm of man All of the listed here Pair of scissors Pair of clinical tongs Arm of man ANSWER DOWNLOAD EXAMIANS APP