nergy Efficiency rating in BTU/hr/W is equal to a) 4.413 W/W b) 2.413 W/W c) 3.413 W/W

Energy Efficiency rating in BTU/hr/W is equal to a) 4.413 W/W b) 2.413 W/W c) 3.413 W/W
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3.413w/w
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The relation between EER in BTU/hr/W EER in W/W is given as_________. A. EER in BTU/hr/W = 3.245 EER in W/W. B. EER in BTU/hr/W = 3.44 EER in W/W. C. EER in BTU/hr/W = 3.413 EER in W/W. D. EER in BTU/hr/W = 1.234 EER in W/W.

Description : The relation between EER in BTU/hr/W EER in W/W is given as_________. A. EER in BTU/hr/W = 3.245 EER in W/W. B. EER in BTU/hr/W = 3.44 EER in W/W. C. EER in BTU/hr/W = 3.413 EER in W/W. D. EER in BTU/hr/W = 1.234 EER in W/W.

Last Answer : EER in BTU/hr/W = 3.413 EER in W/W.

EER in BTU/hr/W = a) 3.222 * EER in W/W c) 3.413 * EER in W/W b) 3.234 * EER in W/W d) 3.400 * EER in W/W

Description : EER in BTU/hr/W = a) 3.222 * EER in W/W c) 3.413 * EER in W/W b) 3.234 * EER in W/W d) 3.400 * EER in W/W

Last Answer : 3.413 * EER in W/W

EER in BTU/HR/W = ______ X EER in W/W A. 3.410 C. 3.411 B. 3.412 D. 3.413

Description : EER in BTU/HR/W = ______ X EER in W/W A. 3.410 C. 3.411 B. 3.412 D. 3.413

Last Answer : 3.413

We have defined EER by a) BTU/hr/W c) BTU/min/W b) BTU/sec/W d) BTU/hr/V

Description : We have defined EER by a) BTU/hr/W c) BTU/min/W b) BTU/sec/W d) BTU/hr/V

Last Answer : BTU/hr/W

Overall heat transfer co-efficient for cooling of hydrocarbons by water is about (A) 50 -100 Kcal/hr.m2 .°C (B) 50 -100 W/m2 .°K (C) 50 -100 BTU/hr. ft. 2°F (D) 1000 - 1500 BTU/hr. ft. 2°F

Description : Overall heat transfer co-efficient for cooling of hydrocarbons by water is about (A) 50 -100 Kcal/hr.m2 .°C (B) 50 -100 W/m2 .°K (C) 50 -100 BTU/hr. ft. 2°F (D) 1000 - 1500 BTU/hr. ft. 2°F

Last Answer : (C) 50 -100 BTU/hr. ft. 2°F

1 BTU/hr.ft.°F is equal to __________ kcal/hr. m.°C. (A) 1.49 (B) 1 (C) 4.88 (D) None of these

Description : 1 BTU/hr.ft.°F is equal to __________ kcal/hr. m.°C. (A) 1.49 (B) 1 (C) 4.88 (D) None of these

Last Answer : (A) 1.49

A BTU/hr.ft. 2 °F is equal to (A) 1 kcal/hr. m2°C (B) 4.88 kcal/hr. m. 2°C (C) 1 kcal/hr. m2 .°K (D) None of these

Description : A BTU/hr.ft. 2 °F is equal to (A) 1 kcal/hr. m2°C (B) 4.88 kcal/hr. m. 2°C (C) 1 kcal/hr. m2 .°K (D) None of these

Last Answer : (B) 4.88 kcal/hr. m. 2°C

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Description : Pick out the correct statement. (A) 1 kcal/hr.m.°C is equal to 1 BTU/hr. ft.°F (B) In steady state heat conduction, the only property of the substance which determines the ... in the direction of temperature rise (D) In heat transfer by forced convection, Grashoff number is very important

Last Answer : (B) In steady state heat conduction, the only property of the substance which determines the temperature distribution, is the thermal conductivity

Helium ( R= 0.4698 BTU/lbm-˚R ) is compressed isothermally from 14.7 psia and 68 ˚F. The compression ratio is 1:4. Calculate the work done by the gas.  A. –1454 BTU/lbm  B. -364 BTU/lbm  C.-187BTU/lbm  D.46.7 BTU/lbm Formula: W = RT ln (V2/V1)

Description : Helium ( R= 0.4698 BTU/lbm-˚R ) is compressed isothermally from 14.7 psia and 68 ˚F. The compression ratio is 1:4. Calculate the work done by the gas.  A. –1454 BTU/lbm  B. -364 BTU/lbm  C.-187BTU/lbm  D.46.7 BTU/lbm Formula: W = RT ln (V2/V1)

Last Answer : -364 BTU/lbm

The unit of heat transfer co-efficient is (A) BTU/hr. ft 2°F (B) BTU/hr. °F. ft (C) BTU/hr. °F (D) BTU/hr. ft

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Last Answer : (A) BTU/hr. ft 2°F

One ton of refrigeration capacity is equivalent to the heat removal rate of (A) 50 kcal/hr (B) 200 BTU/hr (C) 200 BTU/minute

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Last Answer : (C) 200 BTU/minute

The prime importance of these is to educate and inform consumers about how energy efficient each product is ? a) Efficiency chart c) Both a & b b) Star Rating d) None of the above

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Description : What Is Btu?

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78 India‘s total primary energy consumption is a) 24.3 BTU b) 19.01 BTU c) 120 BTU d) 30.1 BTU

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Description : Find ∫ for steam at 100 psia and 600°F.If h = 1329.6 and v = 6.216  a. 1214 Btu / lb  b. 1234 Btu /lb  c. 1342 Btu / lb  d. 1324 Btu /lb formula: ∫ = h– pv/ J

Last Answer : 1214Btu / lb

A certain gas with cp = 0.529Btu/lb°R and R = 96.2ft/lbºR expands from 5 ft and 80ºF to 15 ft while the pressure remains constant at 15.5 psia.  a. T2=1.620ºR, ∫H = 122.83 Btu  b. T2 = 2°R, ∫H = 122.83 Btu  c. T2 = 2.620ºR, ∫H = 122.83 Btu  d. T2 = 1°R, ∫H = 122.83 Btu T2= V2(t2)/V1 and ∫H = mcp (T2-T1)

Description : A certain gas with cp = 0.529Btu/lb°R and R = 96.2ft/lbºR expands from 5 ft and 80ºF to 15 ft while the pressure remains constant at 15.5 psia.  a. T2=1.620ºR, ∫H = 122.83 Btu  b. T2 = 2°R, ∫H = 122.83 Btu  c. ... , ∫H = 122.83 Btu  d. T2 = 1°R, ∫H = 122.83 Btu T2= V2(t2)/V1 and ∫H = mcp (T2-T1)

Last Answer : T2=1.620ºR, ∫H = 122.83 Btu

Find the change in internal energy of 5 lb. of oxygen gas when the temperature changes from 100 ˚F to 120 ˚F. CV = 0.157 BTU/lbm-˚R  A.14.7 BTU  B.15.7 BTU  C. 16.8 BTU  D. 15.9 BTU Formula: U= mcv T

Description : Find the change in internal energy of 5 lb. of oxygen gas when the temperature changes from 100 ˚F to 120 ˚F. CV = 0.157 BTU/lbm-˚R  A.14.7 BTU  B.15.7 BTU  C. 16.8 BTU  D. 15.9 BTU Formula: U= mcv T

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Description : Calculate the entropy of steam at 60psiawith a quality of 0.8  A. 0.4274 BTU/lbm-˚R  B. 0.7303 BTU/lbm-˚R  C. 1.1577 BTU/lbm-˚R  D. 1.2172 BTU/lbm-˚R Formula: fromthe steamtable at 60 psia: sƒ = 0.4274 BTU/lbm-˚R sƒg = 1.2172 BTU/lbm-˚R) s = sƒ + x sƒg where x = is the quality

Last Answer : 1.1577 BTU/lbm-˚R

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In BTU system, one BTU is equal to: A. 10.55 Joule B. 1.055 Joule C. 105.5 Joule D. 10.55 Joule

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Last Answer : ANSWER: D

In BTU system, one BTU is equal to: A. 10.55 Joule B. 1.055 Joule C. 105.5 Joule D. 10.55 Joule

Description : In BTU system, one BTU is equal to: A. 10.55 Joule B. 1.055 Joule C. 105.5 Joule D. 10.55 Joule

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An electric motor drives a windless which hauls up a crate A of weight W = 500 kg up an inclined plane through a height of 10 m in 2 minutes. The torque acting on the windless is 25 kgm and the drum of the windless makes 30 rpm. The efficiency of the inclined plane would be a.0.41 b.0.61 c.0.265 d.0.5305 e.0.66

Description : An electric motor drives a windless which hauls up a crate A of weight W = 500 kg up an inclined plane through a height of 10 m in 2 minutes. The torque acting on the windless is 25 kgm and the drum of the ... The efficiency of the inclined plane would be a.0.41 b.0.61 c.0.265 d.0.5305 e.0.66

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Description : The efficiency of Joule cycle is  A. greater than Carnot cycle  B. less than Carnot cycle  C. equal to Carnot cycle  D. none of these

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Description : The efficiency of Stirling cycle is __________ Carnot cycle.  A. greater than  B. less than  C. equal to

Last Answer : Answer: C

If both Stirling and Carnot cycles operate within the same temperature limits, then efficiency of Stirling cycle as compared to Carnot cycle  (a) more  (b) less  (c) equal  (d) depends on other factors  (e) none of the above.

Description : If both Stirling and Carnot cycles operate within the same temperature limits, then efficiency of Stirling cycle as compared to Carnot cycle  (a) more  (b) less  (c) equal  (d) depends on other factors  (e) none of the above.

Last Answer : Answer : c