Exam (elaborations)
MSSC MAINTENANCE AWARENESS EXAM LATEST UPDATE
- Course
- Institution
MSSC MAINTENANCE AWARENESS EXAM LATEST UPDATE...
[Show more]
Content preview
MSSC MAINTENANCE AWARENESS EXAMLATEST UPDATE
When connecting a three-phase motor, the three lines (T1, T2, and T3) are typically
connected to _________. - ANSWER: L1, L2, and L3.
Electricians use __________ to protect the electrical wiring leading to the machine.
- ANSWER: rigid and flexible conduit.
When the wire or foil strip inside a fuse melts, it is referred to be __________. -
ANSWER, blown
The distinction between a fuse and a circuit breaker is ________. - ANSWER:
Circuit breakers can be reset and used again.
The amount by which two electrical waveforms are out of phase is measured in
_________. - Answer: degrees
Overload protection that physically disconnects the motor rather than electrically is
known as a(n) __________. - ANSWER: overload clutch.
What is the advantage of a circuit breaker over a fuse? - ANSWER: Can be reset.
*T or F
A motor starter's minimum number of contact sets is determined by the number of
power leads required by the motor. - ANSWER: True
, When a circuit's current is excessively high, it is usually due to an overload or a
__________. - ANSWER: Short circuit
The amount of energy spent by a circuit is known as _________. - ANSWER:
Power
A single-phase AC motor has only __________ motor wires that connect to the
power lines. - ANSWER: 2
A technician removed a piece of equipment from a disconnect, but the breaker
remains tripped. The next step is to inspect the wiring to the disconnect and
_________. - ANSWER: Test the breaker again.
Voltage is calculated using Ohm's Law formula, which is _________. - ANSWER:
E=IxR
When something gets stuck or jams in rotating equipment, it is protected by a(n)
__________. - ANSWER: overload clutch.
What is the most likely outcome if a motor is under excessive load? - ANSWER:
Blow a fuse or trip a thermal overload.
The overall power of an electrical circuit is calculated by adding the power
consumption of each component. - ANSWER: Any
Electrical wire that is exposed must be shielded by a pipe or tubing known as
__________. - ANSWER: conduit.
Kirchoff's Voltage Law for a series circuit states that the total voltage drop in a
series circuit equals the sum of the individual voltage drops. - ANSWER: sum.
The benefits of buying summaries with Stuvia:
Guaranteed quality through customer reviews
Stuvia customers have reviewed more than 700,000 summaries. This how you know that you are buying the best documents.
Quick and easy check-out
You can quickly pay through credit card or Stuvia-credit for the summaries. There is no membership needed.
Focus on what matters
Your fellow students write the study notes themselves, which is why the documents are always reliable and up-to-date. This ensures you quickly get to the core!
Frequently asked questions
What do I get when I buy this document?
You get a PDF, available immediately after your purchase. The purchased document is accessible anytime, anywhere and indefinitely through your profile.
Satisfaction guarantee: how does it work?
Our satisfaction guarantee ensures that you always find a study document that suits you well. You fill out a form, and our customer service team takes care of the rest.
Who am I buying these notes from?
Stuvia is a marketplace, so you are not buying this document from us, but from seller luzlinkuz. Stuvia facilitates payment to the seller.
Will I be stuck with a subscription?
No, you only buy these notes for $11.49. You're not tied to anything after your purchase.
Can Stuvia be trusted?
4.6 stars on Google & Trustpilot (+1000 reviews)
78252 documents were sold in the last 30 days
Founded in 2010, the go-to place to buy study notes for 14 years now