RECF Mechanical Exam Questions and Answers Already Passed

RECF Mechanical Exam Questions and Answers Already Passed An automobile traces 10 miles in 15 minutes 40 A 12 tooth sprocket and a 60 tooth sprocket are connected by a chain. Counterclockwise If the ramp is inclined 30 degrees and the friction of the ramp is 0.25 284 A torque of 15 feet is the result when ______ acts on a 6 in wrench 30 Formula for pressure force/area 12 tooth gear is meshed with a 60 tooth gear 25:1 Raise the arm of a robot, last of 6 gears must rotate clockwise Counterclockwise A torque of 30 ft*lbs is the result when________acts on a 6 in wrench 60 What type of machine is the nutcracker pictured? Second class lever Last of 4 gears must rotate clockwise Counterclockwise Displacement of an 8 cylinder engine with a bore of 3.5 inches and a stroke of 3.75 288 Ramp is inclined 30 degrees and coefficient friction is 0.5 Greater than 700N Pneumatics use Compressed gas An automobile travels 5 miles in 20 minutes 15 Displacement of a 6 cylinder engine with a bore of 3.1 and a stroke of 3.6 163 A robot has wheels with a 4 inch diameter, each wheel rolls 5 times 62.8 If a robot had 5 inch wheels at 120 rpm 31.4 A robot starts from test and accelerates to 20 ft in 4 seconds 5 A 12 tooth sprocket and 36 are connected by a chain Clockwise A robot wheel has an 8 inch diameter, each wheel does 5 revolutions 125.6 Two children are on a see saw 2.4 A motor is connected to a 12 tooth driver gear meshed with a 24 tooth gear and a 36 output draft 6:1 A robot has 3 inch wheels spinning