The ____ control is achieved through the use of switches (electronic, manual, orelectromechanical).
A
TO/BE
B
ON/OFF
C
TO/ON
D
IN/AT
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
Pollution
B
Windows
C
Air
D
Home
E
Maintenance
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
System
B
Quality
C
Compressor
D
Fuses
E
Cool
Also, from 1992 through 2002, 46 598 were non-fatally injured by ____.
A
Electricity
B
Volts
C
Ampere
D
Installations
E
Applications
Contact with ____ power lines was the most common cause of electrocutions resulting in 42% of all on-the-job electrical deaths.
A
Overhead
B
Cabin
C
Crew
D
Seat
E
Bin
The numbers above reflect the ____ of all occupational deaths which is almost 1 death per day.
A
4.7%
B
7.7%
C
5.7%
D
3.7%
E
6.7%
Only ____ persons may work on electric circuit parts or equipment.
A
Qualified
B
Opportunistic
C
Productive
D
Hyperactive
E
Special
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
US Bureau
E
NIOSH
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