Mechanical mechatronics Quiz 4

When aligning the two shafts vertically, by using the straightedge and feeler gauge method, the _________ shaft should be .015” higher than the _________ shaft.

• Driver, driven

• Driven, driver

• Keyed, keyless

• Coupled, uncoupled

Which of the following is the best bearing type to use when the load is directed along the shaft?

• Self-aligning bearing

• Thrust Bearing

• Journal bearing

• Conrad bearing

Which of the following is the BEST method for replacing an existing properly sized belt?

• Use the Rubber Manufacturers association belt numbers

• Match the cross section to the catalog and calculate belt length

• Try a belt that is close and see if adjusting will make it work

• Determine belt spacing from sheave and calculate belt length

Which of the following is the main advantage of a quick disconnect bushing over other bushing systems?

• The bushing is keyed to the pulley

• The barrel of the bushing is split in two pieces

• The bushing takes up less room on the shaft because it has no flanges

• The bushing’s fasteners can be installed from either side of the flange

The pitch diameter is important because it allows you to calculate which of the following measurements that are transmitted to the driven shaft?

• Friction and heat

• Speed and torque

• Stress and strain

• Drive and power

Which of the following V-belt configurations can be used to create counter rotation?

• Open

• Quarter turn

• Crossed

• Angle

Which of the following items is NOT used to calculate driven shaft speed in a belt system?

• Pulley ratio

• Pitch length

• Driven shaft speed

• Pulley pitch diameter

Which of the following is the way wedge V-belts provide an advantage over classical V-belts?

• Narrower cross section

• Increase area to the center of belt

• Greater surface contact with pulley

• All of the above

Which of the following methods is MOST commonly used to adjust V-belt tension?

• Add another V-belt to the pulleys

• Change the alignment of the pulleys

• Change the diameter of the driven shaft

• Change the center distance between the pulleys

Which of the following is an installation procedure that will shorten the life of a belt?

• Adjust the slack in the belt

• Force the belt onto the pulley’s

• Shorten the center distance between the pulleys

• All of the above