Exam (elaborations)
MA 2nd CLASS FIREMAN’S PRACTICE EXAM 106 QUESTIONS AND VERIFIED ANSWERS 2023/2024 GRADED A+
- Course
- Institution
MA 2nd CLASS FIREMAN’S PRACTICE EXAM 106 QUESTIONS AND VERIFIED ANSWERS GRADED A+
[Show more]
Seller
Follow
Hosmerit
Reviews received
Content preview
MA 2nd CLASS FIREMAN’S PRACTICEEXAM 106 QUESTIONS AND VERIFIED
ANSWERS 2023/2024 GRADED A+
At 0 PSIG, how many BTU are necessary to change 1 lb of water at 212
degrees Fahrenheit into 1 lb of steam?
• 144
• 180
• 970
• 1,190 - ANSWER- c) 970
Radiation is
• the movement of liquids or gases created by a temperature difference.
• the transfer of heat by direct molecular contact.
• the weight of a substance compared to unity.
• a form of heat transfer by waves. - ANSWER- d) a form of
heat transfer by waves.
,Steam at 100 PSI and 400 degrees Fahrenheit is
• saturated.
• wet.
• superheated.
• none of the above. - ANSWER- c) superheated
Which of the following most closely defines sensible heat?
• An established relationship comparing any substance to the
heat content of water
• Heat quantity that can be felt or measured by a thermometer.
• Heat quantity above the point of saturation
• Measure of heat intensity. - ANSWER- b) Heat quantity that can
be felt or measured by a thermometer
What is required to raise the temperature of 1 lb of water from 32
degrees to 212 degrees Fahrenheit?
• 144 Btu
• 180 Btu
• 970.3 Btu
• Saturated heat - ANSWER- b) 180 Btu
Increasing the pressure has what effect on the boiling point of water?
• No change
• Temperature will be lowered
• Temperature will be raised
,• Temperature will increase 2 degrees Fahrenheit for every PSI
- ANSWER- c) Temperature will be raised
Heat absorbed by water when it changes from liquid to steam at the
boiling point is called
• sensible heat.
• latent heat.
• specific heat.
• superheat - ANSWER- b) latent heat
Heat may be transferred in how many ways?
• One
• Two
• Three
• Four - ANSWER- c) Three
A boiler horsepower is defined as
• 970.3 Btuh.
• total heating surface times the factor of evaporation.
• evaporation of 34.5 lb of water from and at 212 degrees
Fahrenheit per hour
• evaporation of 34.5 lb of water from and at 212 degrees Fahrenheit
per 8 hours. - ANSWER- c) evaporation of 34.5 lb of water from and
at 212 degrees Fahrenheit per hour
, A boiler's steam pressure gauge reads 150. What is the absolute
pressure?
• 14.7
• 135.3
• 150
• 164.7 - ANSWER- c) 150
What does 212 degrees F equal on the Celsius scale?
• 32
• 100
• 180
• 970.3 - ANSWER- b) 100
One boiler horsepower is equal to how many Btu?
• 970.3
• 33,472
• 125,000
• One therm - ANSWER- b) 33,472
A British thermal unit is
• the amount of heat needed to raise one pound of water one degree F
• the amount of heat needed to raise one pound of steam one degree F
• a unit of temperature measurement.
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 Hosmerit. Stuvia facilitates payment to the seller.
Will I be stuck with a subscription?
No, you only buy these notes for $14.99. You're not tied to anything after your purchase.
Can Stuvia be trusted?
4.6 stars on Google & Trustpilot (+1000 reviews)
75323 documents were sold in the last 30 days
Founded in 2010, the go-to place to buy study notes for 14 years now