A 4kW resistance heater in a water heater runs for 3 hours to raise the water temperature
Question:
A 4‑kW resistance heater in a water heater runs for 3 hours to raise the water temperature to the desired level. Determine the amount of electric energy used in both kWh and kJ.
Fantastic news! We've Found the answer you've been seeking!
Step by Step Answer:
Answer rating: 80% (15 reviews)
A resistance heater is used to heat water to desired ...View the full answer
Answered By
JAPHETH KOGEI
Hi there. I'm here to assist you to score the highest marks on your assignments and homework. My areas of specialisation are:
Auditing, Financial Accounting, Macroeconomics, Monetary-economics, Business-administration, Advanced-accounting, Corporate Finance, Professional-accounting-ethics, Corporate governance, Financial-risk-analysis, Financial-budgeting, Corporate-social-responsibility, Statistics, Business management, logic, Critical thinking,
So, I look forward to helping you solve your academic problem.
I enjoy teaching and tutoring university and high school students. During my free time, I also read books on motivation, leadership, comedy, emotional intelligence, critical thinking, nature, human nature, innovation, persuasion, performance, negotiations, goals, power, time management, wealth, debates, sales, and finance. Additionally, I am a panellist on an FM radio program on Sunday mornings where we discuss current affairs.
I travel three times a year either to the USA, Europe and around Africa.
As a university student in the USA, I enjoyed interacting with people from different cultures and ethnic groups. Together with friends, we travelled widely in the USA and in Europe (UK, France, Denmark, Germany, Turkey, etc).
So, I look forward to tutoring you. I believe that it will be exciting to meet them.
3.00+
2+ Reviews
10+ Question Solved
Related Book For
Fundamentals of Thermal-Fluid Sciences
ISBN: 978-0078027680
5th edition
Authors: Yunus A. Cengel, Robert H. Turner, John M. Cimbala
Question Posted:
Students also viewed these Physics questions
-
A 2-kW electric resistance heater in a room is turned on and kept on for 30 min. The amount of energy transferred to the room by the heater is (a) 1 kJ (b) 60 kJ (c) 1800 kJ (d) 3600 kJ (e) 7200 kJ
-
A 2-kW electric resistance heater in a room is turned on and kept on for 50 min. The amount of energy transferred to the room by the heater is (a) 2 kJ (b) 100 kJ (c) 3000 kJ (d) 6000 kJ (e) 12,000 kJ
-
Water is boiled in a pan covered with a poorly fitting lid at a specified location. Heat is supplied to the pan by a 2 - kW resistance heater. The amount of water in the pan is observed to decrease...
-
Ms. Acosta received a job as a teacher with a starting salary of $3 According to her contract, she will receive a 1.5% increase in her salary every year. How much will Ms. Acosta earn in 7 years.
-
Journalize the following transactions that occurred in September 2018 for Aquamarines. No explanations are needed. Identify each accounts payable and accounts receivable with the vendor or customer...
-
When an object is placed at 2.0 m in front of a diverging lens, a virtual image is formed at 30 cm in front of the lens. What are the focal length of the lens and the lateral magnification of the...
-
In Example 8.1, the mosquito has an inertia of \(0.1 \mathrm{~g}\) and is initially at rest, while the bus, with an inertia of \(10,000 \mathrm{~kg}\), has an initial speed of \(25 \mathrm{~m} /...
-
A firm is having a large piece of equipment overhauled. It anticipates that the machine will be needed for the next 12 years. The firm has an 8% minimum attractive rate of return. The contractor has...
-
What piece of hardware connects a peripheral device like a keyboard or mouse to the system bus? 1 point a device driver a device controller a semaphore a network port
-
The AND-OR-GRAPH-SEARCH algorithm in Figure 4.11 checks for repeated states only on the path from the root to the current state. Suppose that, in addition, the algorithm were to store every visited...
-
Solve Prob. 116 using an appropriate software. Print out the entire solution, including the numerical results with proper units. In Problem A 3kg rock is thrown upward with a force of 200 N at a...
-
You are trying to understand how a reciprocating air compressor (a pistoncylinder device) works. What system would you use? What type of system is this?
-
The diagram shows a 24cm by 15cm sheet of metal with a square of side xcm removed from each corner. The metal is then folded to make an open rectangular box of depth x cm and volume Vcm 3 . a. Show...
-
Examine why nuclear power producers must take currency fluctuations into account when procuring uranium from global supplier?
-
In your opinion what are the business drivers and Revenue sources of Le Bourget Airport?
-
Assume that the below graph illustrates the cars market in the U.S. and that currently, the industry operates under an import tariff. How many more cars will the US produce if an environment of free...
-
what pricing strategy should yoga bar vitamin bar should use in india?
-
4+1-20 Rewrite 2 as a simplified complex number.
-
You are a manager of a division of a company that is responsible for the final assembly of two computer products, modems and keyboards. You manage two employees, Julio and Chenyu, who each work 8...
-
X-1 Find the domain of the function f(x) : x 1 2 - O (-00, -1) U (-1, ) O (-00, 1) U (1, ) O -00, -1) U (-1, 1) U (1, 0) O (- 1, 1)
-
A cone floats in the glycerin (SG = 1.26), as shown in the figure. Find the mass of the cone. SG= 1.26/ FIGURE P11-37 R- h = 30 cm 60 cm
-
A mass of 25 lbm of helium undergoes a process from an initial state of 50 ft 3 /lbm and 60F to a final state of 20 ft 3 / lbm and 240F. Determine the entropy change of helium during this process,...
-
Air (c p = 1.005 kJ/kgC) is to be preheated by hot exhaust gases in a crossflow heat exchanger before it enters the furnace. Air enters the heat exchanger at 95 kPa and 20C at a rate of 1.6 m 3 /s....
-
How do I use voice commands to control my computer with the project of making a video?
-
Dan Mullen is employed by a mail-order distributor and reconditions used desktop computers, broadband routers, and laser printers. Dan is paid $12 per hour, plus an extra $6 per hour for work in...
-
Consider two series Yt and Y2t: Y = IIY-1 +6 Or more explicitly as: Aye Aya Yit Elt + Y2t 2t in which = [1, 2]' is IID with E(e) = 0 and E(ee'): [ 0 0 a) Write the system in levels Answer: A-AU-N b)...
Study smarter with the SolutionInn App