Description : The characteristic dimensionless groups for heat transfer to a fluid flowing through a pipe in laminar flow are (A) Re.Gz (B) Nu, Pr (C) Nu, Pr, Re (D) Nu, Gz
Last Answer : (D) Nu, Gz
Description : Heat transfer co-efficient equation for forced convection, Nu = 0.023 Re 0.8 . Pr n , is not valid, if the value of (A) n = 0.4 is used for heating (B) n = 0.3 is used for cooling (C) Reynolds number for the flow involved is > 10000 (D) Reynolds number for the flow involved is < 2100
Last Answer : (D) Reynolds number for the flow involved is < 2100
Description : Peclet number (Pe) is given by (A) Pe = Re.Pr (B) Pe = Re/Pr (C) Pe = Pr /Re (D) Pe = Nu.Re
Last Answer : (A) Pe = Re.Pr
Description : Pick out the correct equation. (A) jH = (St)(Pr) 2/3 = f/2 (B) jH = (St)(Pr) 1/3 = f/2 (C) jH = (St) 2/3 (Pr) = f/2 (D) jH = (St) 1/3 (Pr) = f/2
Last Answer : (A) jH = (St)(Pr) 2/3 = f/2
Description : The Dittus-Boelter equation for convective heat transfer [(i.e. h = 0.023 (K/D) (Re) 0.8 (Pr) 0.4 ] cannot be used for (A) Low Reynold's number (B) Very low Grashoff number (C) Molten metals (D) All (A), (B) and (C)
Last Answer : (D) All (A), (B) and (C)
Description : The energy equation, E + (p/ρ) + (V 2 /2g) + gZ = constant (E = internal energy/mass), is applicable to (A) Perfect gases only (B) Isothermal flow of gases (C) Adiabatic unsteady flow of gases (D) All compressible fluids
Last Answer : (D) All compressible fluids
Description : The Sieder-Tate correlation for heat transfer in turbulent flow in pipe gives Nu α Re 0.8 , where, Nu is the Nusselt number and Re is the Reynolds number for the flow. Assuming that this relation is valid, the heat transfer co-efficient ... pipe diameter (D) as (A) D-1.8 (B) D-0.2 (C) D0.2 (D) D1.8
Last Answer : (B) D-0.2
Description : Lewis number (Le) isA) Sc × Pr (B) Pr × St (C) Sh × Pr (D) St × Sh
Last Answer : (A) Sc × Pr
Description : In forced convection, the heat transfer depends on (A) Re, Pr (B) Re, Gr (C) Mainly Gr (D) Re only
Last Answer : (A) Re, Pr
Description : In forced convection, the Nusselt number is a function of (A) Re and Pr (B) Re and Gr (C) Pr and Gr (D) Re and Sc
Last Answer : (A) Re and Pr
Description : Product planne t planners must desi st design the ac gn the actual pr tual product an oduct and find w d find ways to _ ays to _____ it ____ it in orde in order to create the bundle ... custome most satisfying customer experience. r experience. a. core benefit b. package package c. brand d. augment
Last Answer : d. augment
Description : In frictional fluid flow, the quantity, (P/ρ) + (V 2 /2gc) + gz/gc) is (A) Constant along a streamline (B) Not constant along a streamline (C) Increased in the direction of flow (D) None of these
Last Answer : (B) Not constant along a streamline
Description : The equation, (NSt × N2/3 Pr ) = f/2, is the __________ analogy. (A) Colburn (B) Reynolds (C) Prandtl (D) None of these
Last Answer : (A) Colburn
Description : Using gzip program an uncompressed file in the tar format is compressed in the zip format, by providing which extension ? a) tar b) tar.gz c) tar.gz d) zip
Last Answer : c) tar.gz
Description : Value of Nusselt number [Nu = (hD/k)] for the heat transfer byconduction from a droplet or a spherical particle to a surrounding stagnant film is (A) 0.5 (B) 2 (C) 10 (D) 100
Last Answer : (B) 2
Description : Lookbook.nu help please?
Last Answer : Make sure you avoid link spamming everywhere. Instead you could start a blog where you describe each look in detail – your thoughts and inspirations or maybe tips on where to get the clothes.
Description : If `log_a a. log_c a +log_c b. log_a b + log_a c. log_b c=3 `(where `a, b, c` are different positive real nu then find the value of `a bc.`
Last Answer : If `log_a a. log_c a +log_c b. log_a b + log_a c. log_b c=3 `(where `a, b, c` are different positive real nu then ... .` A. `2` B. `3` C. `0` D. `1`
Description : P, Q and R have to share 52 apples among themselves such that P gets thrice as many applies as Q gets and Q gets thrice as many as R gets. Find the nu
Last Answer : P, Q and R have to share 52 apples among themselves such that P gets thrice as many applies as Q ... R gets. Find the number of apples R must get.
Description : `CH_(3)Br+Nu^(-)rarrCH_(3)Nu+Br^(-)` The decreasing order of the rate of the above reaction with nucleophiles `(Nu^(-))` A to D is : `[Nu^(-)=(A)PhO^(
Last Answer : `CH_(3)Br+Nu^(-)rarrCH_(3)Nu+Br^(-)` The decreasing order of the rate of the above reaction with nucleophiles `(Nu ... B gt C gt D D. B gt D gt C gt A
Description : What is 473 in roman nu?
Last Answer : If you mean 473 as a Roman numeral then it is CDLXXIII orCCCCLXXIII
Description : Anong ibig sabihin ng nu nunuk du tukun?
Last Answer : [object Object]
Description : What type of meals do nu kitchen meal delivery serve?
Last Answer : The company NU kitchen delivers a variety of meals that range from simple healthy meals to full on fast food. No matter what kind of diet you are looking to go on NU meals can supply it.
Description : In the reaction below, Nu TP stands for NuTP + glucose → Glucose 6–Phosphate + NuDP. (A) ATP (B) CTP (C) GTP (D) UTP
Last Answer : Answer : A
Description : What is the Kyoto Protocol? (1) It is an agreement among countries to take steps for reducing acid rain (2) It is an agreement among countries to take steps for planting trees to control ... using nu-clear energy (4) It is an agreement among countries to take steps for reducing global warming
Last Answer : (4) It is an agreement among countries to take steps for reducing global warming Explanation: The Kyoto Protocol is an international treaty, which extends the 1992 United Nations Framework Convention on ... premise that (1) global warming exists and (2) man-made CO2 emissions have caused it.
Description : What do you understand by the term Dark Fermentation'? (1) It is a method to dispose nu-clear wastes. (2) It is a method to produce methane from organic wastes. (3) It is a method to reduce COD in the atmosphere. (4) It is a method to produce Hydrogen as a fuel from waste water.
Last Answer : (4) It is a method to produce Hydrogen as a fuel from waste water. Explanation: Dark fermentation is the fermentative conversion of organic substrate to bio-hydrogen. It is a complex ... . Wastewater is used as a potential substrate for bio-hydrogen production in the dark fermentation process.
Description : The semi-fluid substance inside the nu- clear membrane is called?
Last Answer : nucleoplasm or karyolymph
Description : River Alaknanda forms confluences (Prayags) in Uttrakhand. Match the codes given in Figure with Table (Prayags) and select the correct answer using the code given below. Figure Table (Pr ayags) D A L A K N A N D A C B A I. Karn Prayag II. Rudra Prayag III. Nand Prayag IV. Vishnu Prayag
Last Answer : (1) A-II, B-I, C-III, D-IV
Description : The relation, Sc = Pr = 1, is valid, when the mechanism of __________ transfer is same. (A) Heat and mass (B) Mass and momentum (C) Heat and momentum (D) Heat, momentum and mass
Last Answer : (A) Heat and mass
Description : The value of Lewis number (Le = Sc/Pr) for air-water vapour system is around (A) 1 (B) 0.24
Last Answer : (A) 1
Description : At Pr > 1, conduction in an ordinary fluid flowing through a heated pipe is limited to the (A) Buffer zone (B) Turbulent core (C) Both (A) and (B) (D) Viscous sub-layer
Last Answer : (D) Viscous sub-layer
Description : The rate expression for a heterogeneous catalytic reaction is given by, - rA = K.KA PA(1 + KA.PA + KR.PR), where K is surface reaction rate constant and KA and KR are absorption equilibrium constants of A and R respectively. If KR PR ... R and A) (A) E (B) E + ΔHA (C) E + ΔHA - ΔHR ) (D) ΔHA + ΔHR
Last Answer : (C) E + ΔHA - ΔHR )
Description : What is the equation for an ellipse with a center at the origin and one focus st(1,1)and the length of the semimajor axis is 4.?
Last Answer : Use the standard form (x−h)2a2+(y−k)2b2=1 ( x − h ) 2 a 2 + ( y − k ) 2 b 2 = 1 . If the x-coordinates of the given vertices and foci are the same, then the major axis is parallel to the y-axis. Use the standard form (x−h)2b2+(y−k)2a2=1 ( x − h ) 2 b 2 + ( y − k ) 2 a 2 = 1 .
Description : For the redox reaction `Zn+NO_(3)^(-)rarr Zn^(2+)+NH_(4)^(-)` is basic medium, coefficients of `Zn, NO_(3)^(-) and OH^(-)` in the balanced equation re
Last Answer : For the redox reaction `Zn+NO_(3)^(-)rarr Zn^(2+)+NH_(4)^(-)` is basic medium, coefficients of `Zn, NO_(3)^(-) ... . 7, 4, 1 C. 4, 1, 10 D. 1, 4, 10
Description : Why did Peter the great choose st petersburg to gain?
Last Answer : He built the city so Russia could have access to open water fortrade and shipping. It was a swampy muddy place and he used 25000serfs to literally build a city. He had been to all the ... of wood. Visitors are not allowed close tothis original building. I was in St. Petersburg in 2008.
Description : What is the capital of the United States? Choose one: a. St. Louis, MO b. Olympia, WA c. New York, NY d. Washington, DC
Last Answer : Correct Answer: d. Washington, DC
Description : I keep hearing the president didn't do as much for PR as TX and FL. Is that true?
Last Answer : The BBC is covering the disaster that has struck Puerto Rico and American media are also. The fact you are asking the question shows the media have been effective in communicating the scale of the problem ... , this is tough stuff, he added. That's your president speaking. It is not reassuring.
Description : I am the PR of a person who died. Assets include a note owed for a substantial amount of money.
Last Answer : Welcome to ask-public, Kathleen. I think this is a question for a probate lawyer.
Description : What's the difference between marketing, PR, and advertising?
Last Answer : answer:Marketing is the broadest term. Advertising is a part of marketing. (It’s one of five parts, but I forgot the other four. Product design, selling, and research, and something else?) I don’t know where public relations fits into this arcane scheme.
Description : When will be PR update?
Last Answer : answer:
Description : How do I ship, inexpensively, my two dogs (Golden Retriever 60 lbs and Labrador puppy 30 lbs) along with 2 cats (Siamese mix) to TX from PR?
Last Answer : answer:Step 1)Mix foam packing peanuts and pet food together Step 2)Place pet in box Step 3)Cover pet in peanut/food mixture Step 4)Seal box Step 5)AIR HOLES!! Step 6)Schedule UPS Pickup Repeat as necessary.
Description : O is any point on the diagonal PR of a parallelogram PQRS. -Maths 9th
Last Answer : Join QS. Let diagonals PR and QS intersect each other at T. We know, that diagonals of a parallelogram bisect each other . ∴ T is the mid - point of QS. Since a median of a triangle divides it into two triangles of equal ... ar(△PTS) + ar( △STO) = ar(△PQT) = ar( △ QTO ) ⇒ ar(△PSO) = ar(△PQO)
Description : The given figure shows a circle with centre O in which a diameter AB bisects the chord PQ at the point R. If PR = RQ = 8 cm and RB = 4 cm, then find the radius of the circle. -Maths 9th
Last Answer : Let r be the radius, then OQ = OB = r and OR = (r - 4) ∴ OQ2 = OR2 + RO2 ⇒ r2 = 64 + (r-4)2 ⇒ r2 = 64 + r2 + 16 - 8r ⇒ 8r = 80 ⇒ r = 10 cm
Description : If AB = QR, BC = PR and CA = PQ, then -Maths 9th
Last Answer : (b) We know that, if ΔRST is congruent to ΔUVW i.e., ΔRST = ΔUVW, then sides of ΔRST fall on corresponding equal sides of ΔUVW and angles of ΔRST fall on corresponding equal angles of ΔUVW. Here, given AB = ... , or ΔCBA ≅ ΔPRQ, so option (b) is correct, or ΔBCA ≅ ΔRPQ, so option (d) is incorrect.
Description : O is any point on the diagonal PR of a parallelogram PQRS (figure). -Maths 9th
Last Answer : According to question prove that ar(ΔPSO) = ar(ΔPQO).
Description : If P, Q and R are three points on a line and Q is between P and R,then prove that PR - QR= PQ. -Maths 9th
Last Answer : Solution :-
Description : If AB = PQ, BC = QR and AC = PR, then write the congruence relation between the triangles. [Fig. 7.6] -Maths 9th
Last Answer : Solution :- △ ABC ≅ △PQR