Canadian Basic pool, section 1-24

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Subelement 1

Regulations and Policies

Section 1-24

radio frequency electromagnetic field limits

1-24-01

What organization has published safety guidelines for the maximum limits of RF energy near the human body?

A.
Canadian Standards Association
B.
Environment Canada
C.
Transport Canada
Correct Answer
D.
Health Canada

1-24-01

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1-24-02

What is the purpose of the Safety Code 6?

Correct Answer
A.
It gives RF exposure limits for the human body
B.
It lists all RF frequency allocations for interference protection
C.
It sets transmitter power limits for interference protection
D.
It sets antenna height limits for aircraft protection

1-24-02

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1-24-03

According to Safety Code 6, what frequencies cause us the greatest risk from RF energy?

A.
300 to 3000 MHz
Correct Answer
B.
30 to 300 MHz
C.
Above 1500 MHz
D.
3 to 30 MHz

1-24-03

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1-24-04

Why is the limit of exposure to RF the lowest in the frequency range of 30 MHz to 300 MHz, according to Safety Code 6?

A.
There are more transmitters operating in this range
B.
There are fewer transmitters operating in this range
C.
Most transmissions in this range are for a longer time
Correct Answer
D.
The human body absorbs RF energy the most in this range

1-24-04

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1-24-05

According to Safety Code 6, what is the maximum safe power output to the antenna of a hand-held VHF or UHF radio?

A.
10 watts
Correct Answer
B.
not specified — the exemption for portable equipment was withdrawn in 1999
C.
25 watts
D.
125 milliwatts

1-24-05

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1-24-06

Which of the following statements is not correct?

A.
Maximum exposure levels of RF fields to the general population, in the frequency range 10 to 300 MHz, is 28 VRMS/metre (E-field)
B.
Permissible exposure levels of RF fields increases as frequency is increased above 300 MHz
C.
Permissible exposure levels of RF fields increases as frequency is decreased below 10 MHz
Correct Answer
D.
Permissible exposure levels of RF fields decreases as frequency is decreased below 10 MHz

1-24-06

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1-24-07

The permissible exposure levels of RF fields:

A.
decreases, as frequency is decreased below 10 MHz
Correct Answer
B.
increases, as frequency is increased above 300 MHz
C.
increases, as frequency is increased from 10 MHz to 300 MHz
D.
decreases, as frequency is increased above 300 MHz

1-24-07

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1-24-08

Which statement is not correct:

A.
maximum exposure level of RF fields for general population, in the range 10 to 300 MHz, is 28 V RMS per metre (Efield)
Correct Answer
B.
portable transmitters, operating below 1 GHz with a power output up to 7 watts, are excluded from Safety Code 6 requirements
C.
maximum exposure level of RF fields for general population, in the range 30 to 300 Mhz, is .073 A RMS per metre (Hfield)
D.
the exemption of portable transmitters, operating below 1 GHz with a power output up to 7 watts was removed from Safety Code 6 in 1999

1-24-08

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1-24-09

Which statement is correct?

A.
Safety Code 6 regulates the operation of receivers only
B.
the operation of portable transmitting equipment is of no concern in Safety Code 6
C.
portable transmitters, operating below 1 GHz, with an output power equal to, or less than 7 watts, are exempt from the requirements of Safety Code 6
Correct Answer
D.
the exemption for portable transmitters was eliminated in Safety Code 6 in 1999

1-24-09

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1-24-10

The maximum exposure level of RF fields for general population, in the frequency range 10 to 300 MHz is _______ V RMS per metre (E-field):

A.
7
B.
37
C.
0.073
Correct Answer
D.
28

1-24-10

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