
ALE_Building Utilities Quiz 3
Authored by Black Knight
Architecture
University
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20 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Of a partition, the number of decibels by which sound is reduced in transmission through
it; a measure of the sound insulation value of the partition, the higher the number,
the greater the insulation value.
Acoustically
Transmission Loss
Sound Proof
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
This device, in escalators, stops the escalator automatically
if an abnormal current is supplied to the motor.
Emergency Button Switch
Limit Switches
Current Overload Safety Switch
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
In elevator, these prevent the excessive car travel at the highest and lowest floor.
Limit Switches
Current Overload Safety Switch
Breaker Switch
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
he number of cycles per unit time of a wave or oscillations expressed in hertz of cycles per second.
Voltage
Hertz
Frequency
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
This device, in escalators, is provided at the drive unit location to protect against accidental movement of the escalator during inspection of the drives or during general maintenance.
Emergency Stop
Safety Gear Drive
Mechanical Maintenance Locking Device
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
In elevator, it protects the equipment from over current.
Panel Board
Safety Switch
Circuit Breaker
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
In elevator, it detects the obstacles during the door closing, and reopens the door if there is something. Photocell can be used together with this.
Safety Shoe
Safety Gear
Safety Switch
Safety Detector
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