Engineering Mechanics A weight of 1000 N can be lifted by an effort of 80 N. If the velocity ratio is 20, the machine is Non-reversible None of these Reversible Ideal Non-reversible None of these Reversible Ideal ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics A differential pulley block has larger and smaller diameters of 100 mm and 80 mm respectively. Its velocity ratio is 5 40 20 10 5 40 20 10 ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics If tension in the cable supporting a lift moving downwards is half the tension when it is moving upwards, the acceleration of the lift is g/4 None of these g/2 g/3 g/4 None of these g/2 g/3 ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics The term 'Centroid' is The same as centre of gravity The 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 None of the listed here The same as centre of gravity The 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 None of the listed here ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics Tension in the cable supporting a lift is more when the lift is moving __________ with an acceleration. Upwards None of these Downwards Horizontal Upwards None of these Downwards Horizontal ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics The efficiency of a lifting machine is the ratio of Work done by the machine to the work done on the machine Output to the input All of these Mechanical advantage to the velocity ratio Work done by the machine to the work done on the machine Output to the input All of these Mechanical advantage to the velocity ratio ANSWER DOWNLOAD EXAMIANS APP