The ____ control is achieved through the use of switches (electronic, manual, orelectromechanical).
A
TO/ON
B
ON/OFF
C
IN/AT
D
TO/BE
E
BY/FOR
Exercise Week 13 (unqualifiable)
Puntaje:
16
Common problems with existing air conditioners result from faulty installation, poor service procedures, and inadequate ___________.
A
Windows
B
Maintenance
C
Air
D
Pollution
E
Home
If a central air conditioner's _______ stops on a hot day, the high-pressure limit switch may have tripped; you may be able to reset it by pushing the button, located in the compressor's access panel.
A
Quality
B
Compressor
C
System
D
Fuses
E
Cool
Also, from 1992 through 2002, 46 598 were non-fatally injured by ____.
A
Installations
B
Electricity
C
Volts
D
Applications
E
Ampere
Contact with ____ power lines was the most common cause of electrocutions resulting in 42% of all on-the-job electrical deaths.
A
Crew
B
Cabin
C
Seat
D
Overhead
E
Bin
The numbers above reflect the ____ of all occupational deaths which is almost 1 death per day.
A
7.7%
B
4.7%
C
5.7%
D
6.7%
E
3.7%
Only ____ persons may work on electric circuit parts or equipment.
A
Special
B
Opportunistic
C
Hyperactive
D
Productive
E
Qualified
In a 2006 publication, ____ reported that from 1992 to 2002, the were 3 378 workers who died from on-the-job electrical injuries.
A
NFPA
B
ANSI
C
OSHA
D
NIOSH
E
US Bureau
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