Exam (elaborations)
MSSC - MAINTENANCE AWARENESS EXAM WITH QUESTIONS AND VERIFIED ANSWERS
- Course
- Institution
MSSC - MAINTENANCE AWARENESS EXAM WITH QUESTIONS AND VERIFIED ANSWERS...
[Show more]
Content preview
MSSC - MAINTENANCE AWARENESS EXAM WITHQUESTIONS AND VERIFIED ANSWERS
Torches use __________ to prevent oxygen and acetylene from mixing. - Answer:
Reverse-flow check valves at torch inlets or regulator outlets.
To prevent leaking around the valve during use, __________ - ANSWER An
oxygen cylinder valve should be fully open.
When __________ comes into contact with oil, it can cause an explosion. -
ANSWER: High-pressure oxygen.
A green welding hose typically signifies that it carries _________. - ANSWER:
oxygen.
A __________ is a non-destructive test that employs a colored spray to highlight
flaws in a weld. - ANSWER dye penetration test
A red welding hose shows that it transports _________. - Answer: acetylene.
When welding with the __________, lean the electrode 15 to 25 degrees in the
direction of movement. - ANSWER Pull method
__________ metal is a metal with a similar composition to the one being bonded. It
reinforces the weld by filling the space formed between the two pieces of metal
while welding. - Answer filler
Metals treated with __________ procedures soften. - Answer: annealing.
,Oxy-acetylene welding requires no __________ and is not affected by wind or
drafts like Gas Metallic Arc Welding or Gas Tungsten Arc Welding. - Answer:
electricity.
What fault does a magnaflux test reveal in ferrous metal? - ANSWER Cracks in the
surface
A spot welding system has an electrical supply, a movable arm, and a(n)
__________. - ANSWER: stationary arm.
What device should be kept at least 20 feet away from flammable materials? -
Answer: Oxygen cylinders.
The gas metal arc welding (GMAW) procedure melts the metal wire and fuses it to
the base metal being welded. - ANSWER Electricity
Circuit testers determine whether or not electricity is present. - ANSWER AC
A knife switch is made up of a lever and one or more sets of _________. -
ANSWER contacts
The __________ is an electrical circuit component that allows the operator to
operate the system. - ANSWER input device.
The current that only runs in one direction is __________. - Answer DC
consistent voltage power supplies keep a consistent voltage under different
conditions. - ANSWER loads.
10mA is an example of a _________ value. - ANSWER current
, Resistance is measured using the A(n) __________. - ANSWER Ohmmeter.
Voltage is an electrical _________. ANSWER force
If a wire is continuous, it_________. - ANSWER will face almost no resistance
A circuit's current is distributed among its branches. - Answer in parallel
The resistance of a parallel circuit increases as more branches are added. -
ANSWER decreases
A multimeter is a versatile tool that can measure _________. - ANSWER Voltage,
Current, and Resistance
In a parallel circuit powered by a constant voltage supply, the voltage drop across
each branch is __________. - ANSWER equals the power supply voltage.
A(n) __________ circuit contains more than one way for current to travel. -
Answer in parallel
An ammeter measures __________. - ANSWER current
There are two methods for measuring voltage: __________ and __________. -
ANSWER across a component, using a reference
Both analog and digital voltmeters measure __________. - ANSWER Potential
Difference
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 $12.49. You're not tied to anything after your purchase.
Can Stuvia be trusted?
4.6 stars on Google & Trustpilot (+1000 reviews)
73091 documents were sold in the last 30 days
Founded in 2010, the go-to place to buy study notes for 14 years now