[D2L] 103A

Question 1

What amount of current is enough to kill a person?

Answer 1

100 to 200 mA

Question 2

What is the purpose of a lockout system while working on electrical systems?

Answer 2

To prevent shocks and the accidental start-up of the equipment being serviced.

Question 3

What does 1 Ampere equal in mA?

Answer 3

1000mA

Question 4

What is the minimum insulation resistance for megohmmeter test voltages at 500VDC?

Answer 4

1MO(megohm)

Question 5

Which of the following is NOT considered part of electrical PPE for the RACM trade?

a) class 0 Insulated gloves
b) long sleeve polyester shirt
c) multimeter
d) safety glasses

Answer 5

b) long sleeve polyester shirt

Question 6

what is the FIRST thing that must be done if an electrical shock occurs?

Answer 6

remove the victim

Question 7

Which is NOT a step in the multimeter operational test, conducted before using to test voltage in an UNKNOWN circuit?

a) ensure meter test leads are fully exposed
b) test the meter to a known voltage source
c) test the equipment circuit
d) if the reading suggests no voltage, recheck against a known voltage source

Answer 7

ensure meter test leads are fully exposed

Question 8

A Category II (CAT II) meter is safe to use on RACM equipment?

T or F

Answer 8

False, CAT 3 or 4 are sufficient

if both presented, CAT 3
CAT 4 is an overkill

Question 9

What does a digital meter displaying a negative number mean?

Answer 9

The meter leads are connected in reverse polarity to the DC circuit