A rectangular fin of width 8 mm, thickness 4mm and length 30 mm, is provided on an I C engine for maximizing heat transfer from surface The ratio of effectiveness of fin to efficiency of the fin is (a) 25 6 (b) 22 5 (c) 1 25 (d) 0 044 A rectangular fin of width 8 mm, thickness 4mm and length 30 mm...

A rectangular fin of width 8 mm, thickness 4mm and length 30 mm, is provided on...

Fantastic news! We've Found the answer you've been seeking!

Question:

Related Book For answer-question

Fundamentals of Thermal-Fluid Sciences

ISBN: 978-0078027680

5th edition

Authors: Yunus A. Cengel, Robert H. Turner, John M. Cimbala

See More Books

Posted Date: Jan 20, 2023 02:23 AM

See More Questions

A circumferential fin of rectangular profile has a thickness of 0.7 mm and is installed on a tube having a diameter of 3 cm that is maintained at a temperature of 200C. The length of the fin is 2 cm...
A heat engine receives 6 kW from a 250oC source and rejects heat at 30oC. Examine each of three cases with respect to the inequality of Clausius. a. b. c. Carnot cycle W= 0 kW
A heat engine receives 1 kW heat transfer at 1000 K and gives out 600 W as work with the rest as heat transfer to the ambient. What are the fluxes of exergy in and out?
At the current year-end, a company shows the following unadjusted balances for selected accounts. a. After an analysis of future sales discounts, the company estimates that the Allowance for Sales...
1. Consider a commodity business such as building materials, many types of food products, and many types of electronics products. A good example of a commodity is gasoline. Are these companies likely...
In Problems 14, determine whether the given vectors are mutually orthogonal. v 1 = (1,2,3,-2, 1), v 2 = (3, 2, 3, 6,-4), v 3 = (6,2,-4, 1,4)
Two parallel-plate capacitors have the same plate separation. The plate area of capacitor 1 is twice that of capacitor 2. (a) How do the potential differences across the two capacitors compare if the...
Here are the comparative income statements of Eudaley Corporation. Instructions (a) Prepare a horizontal analysis of the income statement data for Eudaley Corporation, using 2013 as a base. (Show the...
6. To a ground observer the block C is moving with v, and the block A with v. B is moving with v relative to C as shown in the figure. Identify the correct statement. (a) V-V =Vo (b)= A C B (c) V+V =...
Their 1.5 inch, 90-degree copper elbow (see below) is a very popular item in the plumbing line that comes packaged in 10 elbows per box. The box costs about $65 to Western, and Western sells it at...
Structural adjustment programmes introduced in 1980 were forced upon the Third World Countries with a view to (A) Recover debt (B) Check nepotism (C) Weed out corruption (D) All the above
One of the main drivers of P/E for the market as a whole is the level of interest rates. The inverse relationship between value and interest rates can be seen from the expression of P/E in terms of...
Groupon (NASDAQ GS: GRPN) is a deal-of-the-day website that features discounted gift certificates usable at local or national companies. Before going public in November 2011, GRPN amended its...
There are two distinct groups of customers in the market for a firm's product. Their inverse demand curves are $p_{1}=5-Q_{1}$ and $p_{2}=10-Q_{2}$. The monopoly's constant marginal cost of...
If a unit tax is increased from $1 per unit sold to $2, the efficiency cost of the tax more than doubles. Explain.
Design a lowpass Butterworth filter satisfying the following specifications: \[\begin{aligned}A_{\mathrm{p}} & =0.5 \mathrm{~dB} \\A_{\mathrm{r}} & =40 \mathrm{~dB} \\\Omega_{\mathrm{p}} & =100...
With reference to the diagram above, critically discuss how value at Afros Cafe is added through this transformation process. Your response should highlight the activities conducted in the various...
Interest Compounded Annually. When P dollars is invested at interest rate i, compounded annually, for t years, the investment grows to A dollars, where A = P(1 + i) t . Trevor's parents deposit $7800...
Why is the radiation analysis of enclosures that consist of black surfaces relatively easy? How is the rate of radiation heat transfer between two surfaces expressed in this case?
Consider two diffuse surfaces A 1 and A 2 oriented on a spherical surface as shown in the figure. Determine (a) The expression for the view factor F 12 in terms of A 2 and L, (b) The value of the...
Consider an enclosure consisting of eight surfaces. How many view factors does this geometry involve? How many of these view factors can be determined by the application of the reciprocity and the...
Select an information system with which you are familiar, and which you feel needs to be improved, based upon your experiences as an employee, customer, other system user, or system owner, Switch...
You have learned the importance of making sure that requirements are correctly identified. Hut how do you know when you have a correct requirement-that is, what criteria must each requirement meet in...
Prepare a full feasibility analysis, including Economic, Operational, Schedule, Legal, and Technical analyses for the system you are suggesting in problem 1. Your analysis should be no more than 30...

A rectangular fin of width 8 mm, thickness 4mm and length 30 mm, is provided on...

Question:

Expert Answer:

The detailed ... View the full answer

Fundamentals of Thermal-Fluid Sciences

Students also viewed these mechanical engineering questions