Engineering Mechanics When a body falls freely under gravitational force, it possesses __________ weight. Maximum None of these No Minimum Maximum None of these No Minimum ANSWER DOWNLOAD EXAMIANS APP
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 Ideal Non-reversible None of these Reversible Ideal Non-reversible None of these Reversible ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics The C.G. of a solid hemisphere lies on the central radius 3r At distance — from the plane base 3r At distance — from the plane base 3r At distance — from the plane base At distance — from the plane base 3r At distance — from the plane base 3r At distance — from the plane base 3r At distance — from the plane base At distance — from the plane base 3r ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics A trolley wire weighs 1.2 kg per meter length. The ends of the wire are attached to two poles 20 meters apart. If the horizontal tension is 1500 kg find the dip in the middle of the span 4.0 cm 3.0 cm 5.0 cm 2.5 cm 4.0 cm 3.0 cm 5.0 cm 2.5 cm ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics In ideal machines, mechanical advantage is __________ velocity ratio. Equal to Greater than None of these Less than Equal to Greater than None of these Less than ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics The angle between two forces when the resultant is maximum and minimum respectively are 90° and 0° 0° and 180° 90° and 180° 180° and 0° 90° and 0° 0° and 180° 90° and 180° 180° and 0° ANSWER DOWNLOAD EXAMIANS APP