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