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Worksheetsmechanical mechatronics Quiz 3
Total questions: 10
Worksheet time: 5mins
Which of the following is the part of an electric motor that provides an attachment point for power transmission?
Armature
Mounting base
Bearing
Shaft
Which of the following is the least accurate method of shaft alignment?
Laser alignment method
Reverse indicator method
Straightedge and feeler gauge method
Face and rim dial indicator method
Which of the following is the bearing used to mount a shaft perpendicular to the mounting surface?
Pillow block mount
Flange Mount
Collar mount
Radial Mount
Which of the following is the bearing used to mount a shaft parallel to the mounting surface?
Pillow block mount
Stand-off mount
Collar mount
Radial Mount
Which of the following type of bearing load is present in a power transmission system?
Articulated
Complex
Radial
Tangent
A water pump driven by an electric motor, which is connected to it by a mechanical coupling. The pump is leaking badly and is replaced by an identical new pump. Which of the following procedures is MOST important to ensure reliable long-term operation?
Replacing the new pump
Aligning the shafts of the pump and the motor
Reducing the size of the motor fuses
Replacing the coupling
When measuring a motor current draw, it is proper to:
Stop the motor
Place the ammeter clamp-on around the incoming power legs
Place the ammeter in parallel with the incoming legs
Disconnect the load
Which of the following is a determining factor in the process of specifying a shaft in a power transmission system?
Selection of the material from which the shaft will be made
Determination of the power or torque to be transmitted by the shaft
Consideration of the manner and type of loading this shaft will experience
All of the above
Which of the following is the primary function of a bearing?
To compensate for the axial misalignment in a power transmission system
To allow smooth, low friction motion between two surfaces
To isolate shaft vibration from a motor or power source in the system
To dissipate heat produced as a result of rotational friction
In the profile diagram shown, which of the following specifies the dwell periods?
T1
T2,T4
T2
T1,T3
