QUESTIONS AND ANSWERS |JUST RELEASED!!
Heat trace cable should never cross itself except? when
cable is - ANSWER-temperature self limited
When climbing a scaffold you need? - ANSWER-Yo yo
When you double resistance and amperage, what
happens to the current? - ANSWER-Its stays the same
Which of the following should be used to cool dry a
transformer? - ANSWER-Fans
,Which of the following statements is (true) about
intrinsically safe equipment? - ANSWER-Such equipment
can be used in hazardous locations
Who is allowed to remove another electrician tag of lock
from any valve, or piece of equipment without proper
documentation and approval? - ANSWER-No one
The minimum acceptable DC megohms resistance of a
4160 volt motor is approximately - ANSWER-4.2
Megohms
Which of the following statements about a service neutral
conductor is (true)? - ANSWER-It may be smaller than the
,ungrounded confuctors should be larger than the
undergrounded conductors
How are primary leads identified in a transformer? -
ANSWER-H1, H2, H3
The leads on a type K thermalcouple are? - ANSWER-
Yellow and Red
What does thermal overload protect in a starter or MCC? -
ANSWER-Motors
What is the (minimum) headroom at service equipment? -
ANSWER-6ft 6in. or 7ft
, What types of conduit can be safely used in a corrosive
environment? - ANSWER-Galvanized steel and plastic-
coated
What color identifies an insulated, grounded, number, 4
conductor? - ANSWER-White/green
All of the following are standard fuse size EXCEPT? -
ANSWER-550 or 601
What type of circuit breaker was developed to meet the
needs of modern power system where high pontential