This topic contains a solution. Click here to go to the answer
« previous next »

Author Question: A pre-electronic thermostat employs a coiled A) wire of low conductivity. B) bimetallic strip. ... (Read 84 times)

folubunmi

  • Hero Member
  • *****
  • Posts: 524
on: Jul 29, 2018
A pre-electronic thermostat employs a coiled
 
  A) wire of low conductivity.
  B) bimetallic strip.
  C) tube of mercury.

Question 2

When a bimetallic bar of copper and iron strips is heated, the bar bends toward the iron strip because
 
  A) iron gets hotter before copper.
  B) copper gets hotter before iron.
  C) copper expands more than iron.
  D) iron expands more than copper.
  E) none of the above


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

kusterl

  • Sr. Member
  • ****
  • Posts: 315
Reply #1 on: Jul 29, 2018
Answer to Question 1

Answer: B

Answer to Question 2

Answer: C


folubunmi

  • Hero Member
  • *****
  • Posts: 524
Reply #2 on: Jul 29, 2018
Thanks


kusterl

  • Sr. Member
  • ****
  • Posts: 315
Reply #3 on: Jul 29, 2018
Welcome :)


« previous next »
 

Did you know?

Though Candida and Aspergillus species are the most common fungal pathogens causing invasive fungal disease in the immunocompromised, infections due to previously uncommon hyaline and dematiaceous filamentous fungi are occurring more often today. Rare fungal infections, once accurately diagnosed, may require surgical debridement, immunotherapy, and newer antifungals used singly or in combination with older antifungals, on a case-by-case basis.

Did you know?

Before a vaccine is licensed in the USA, the Food and Drug Administration (FDA) reviews it for safety and effectiveness. The CDC then reviews all studies again, as well as the American Academy of Pediatrics and the American Academy of Family Physicians. Every lot of vaccine is tested before administration to the public, and the FDA regularly inspects vaccine manufacturers' facilities.

Did you know?

There used to be a metric calendar, as well as metric clocks. The metric calendar, or "French Republican Calendar" divided the year into 12 months, but each month was divided into three 10-day weeks. Each day had 10 decimal hours. Each hour had 100 decimal minutes. Due to lack of popularity, the metric clocks and calendars were ended in 1795, three years after they had been first marketed.

Did you know?

In most climates, 8 to 10 glasses of water per day is recommended for adults. The best indicator for adequate fluid intake is frequent, clear urination.

Did you know?

More than 4.4billion prescriptions were dispensed within the United States in 2016.

C, A nurse can also administer the medication by setting the dose and rate with an electronic infusi C, A nurse can also administer the medication by setting the dose and rate with an electronic infusi
Comparison of Paper Medical Records and Electronic Health Records Comparison of Paper Medical Records and Electronic Health Records
Comparison of Paper Medical Records and Electronic Health Records Comparison of Paper Medical Records and Electronic Health Records
Homeostasis is analogous to regulation of temperature via a thermostat. Homeostasis is analogous to regulation of temperature via a thermostat.
Needle-nose pliers are used where there is limited access to a wire or pin that needs to be ... Needle-nose pliers are used where there is limited access to a wire or pin that needs to be ...
The two TP sensors used on the throttle body of an electronic throttle body assembly produce ... The two TP sensors used on the throttle body of an electronic throttle body assembly produce ...
Video: Arthritis

For a complete list of videos, visit our video library