Mechanical 1
Authored by John Cilladi
Professional Development
12th Grade
Used 1+ times
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13 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
The groove in a shaft for a key is called a __________.
Keygroove
Keyseat
Keyway
Keyhole
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
A woodruff key has a __________ shape.
Half moon
Rectangular
Square
Tapered
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
When assembling a key in a shaft keyseat, the key __________.
Should fit into the keyseat without forcing it
Should be tapped into place with a hammer
Should be pressed into place using a vise
Should be cooled and the shaft heated
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
The power output at a motor's shaft is found by __________.
Multiplying the torque times the load
Multiplying the torque times the shaft speed
Dividing the torque by the load
Dividing the torque by the shaft speed
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Mechanical Power Efficiency is defined as __________.
The ratio of the Power out to the Power in
Torque times RPM
Output torque divided by load
Load times radius arm
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
As the torque on an electric motor increases, __________.
Current (amps) remains constant
Current increases
Current decreases
RPM increases
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
The function of a machine shaft is to __________.
Act as a spacer between a motor and a driven shaft
Support the weight of a motor
Transmit mechanical power from one location to another
Act as a heat sink to counteract motor overheating
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