1 kcal is roughly equal to (A) 4.2 J (B) 42 J (C) 4.2 KJ (D) 42 KJ

1 kcal is roughly equal to (A) 4.2 J (B) 42 J (C) 4.2 KJ (D) 42 KJ
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Answer : C
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One ton of refrigeration is not equivalent to the heat removal rate of (A) 200 BTU/minute (B) 50 kcal/minute (C) 50 kJ/sec (D) 3.5 KW

Description : One ton of refrigeration is not equivalent to the heat removal rate of (A) 200 BTU/minute (B) 50 kcal/minute (C) 50 kJ/sec (D) 3.5 KW

Last Answer : (C) 50 kJ/sec

In S.J. unit, one ton of refrigeration is equal to (a) 210 kJ/min (b) 21 kJ/min (c) 3.5 kJ/min (d) 2.4 kJ/min

Description : In S.J. unit, one ton of refrigeration is equal to (a) 210 kJ/min (b) 21 kJ/min (c) 3.5 kJ/min (d) 2.4 kJ/min

Last Answer : Ans: a

In the reaction, represented by, 2SO2 + O2 ⇌ 2SO3; ΔH = - 42 kcal; the forward reaction will be favoured by (A) Low temperature (B) High pressure (C) Both (A) and (B) (D) Neither (A) nor (B)

Description : In the reaction, represented by, 2SO2 + O2 ⇌ 2SO3; ΔH = - 42 kcal; the forward reaction will be favoured by (A) Low temperature (B) High pressure (C) Both (A) and (B) (D) Neither (A) nor (B)

Last Answer : (C) Both (A) and (B)

For the given reaction , `A(g) rarr 2B(g) , Delta_(r)H= 30 kJ//"mole" Delta_(r)S = 150 J//mol` at `300 K` If `C_(P,A) = 20 J//K mol` and `C_(P,B) = 20

Description : For the given reaction , `A(g) rarr 2B(g) , Delta_(r)H= 30 kJ//"mole" Delta_(r)S = 150 J//mol` at `300 K` If `C_(P,A) = 20 J//K mol` and `C_(P,B) = 20

Last Answer : For the given reaction , `A(g) rarr 2B(g) , Delta_(r)H= 30 kJ//"mole" Delta_(r)S = 150 J//mol` at ... G` is negative D. At `T = 200, Delta G` is zero

If a reaction has an enthalpy of -54.32 kJ/mol and an entropy of -354.2 J/(K*mol), what is the Gibbs free Energy at 54.3(degrees c)?

Description : If a reaction has an enthalpy of -54.32 kJ/mol and an entropy of -354.2 J/(K*mol), what is the Gibbs free Energy at 54.3(degrees c)?

Last Answer : DeltaG = DeltaH - TDeltaS dG = -54.32 kJ/mol - (54'32+273)K(-354.2J/molK) NB Thevtemperature is quoted in Kelvin(K) and the Entropy must be converted to kJ by dividing by '1000'/ Hence dG = ... 115.94 kJ/mol dG = (+)61.61 kJ/mol Since dG is positive, the reaction is NOT thermodynamically feasible.

A perfect gas has a value of R= 319.2 J/ kf.K and k= 1.26. If 120 kJ are added to 2.27 kf\g of this gas at constant pressure when the initial temp is 32.2°C? Find T2.  a. 339.4 K  b. 449.4 K  c. 559.4K  d. 669.4K formula: cp = kR/ k-1 Q= mcp(T2-T1)

Description : A perfect gas has a value of R= 319.2 J/ kf.K and k= 1.26. If 120 kJ are added to 2.27 kf\g of this gas at constant pressure when the initial temp is 32.2°C? Find T2.  a. 339.4 K  b. 449.4 K  c. 559.4K  d. 669.4K formula: cp = kR/ k-1 Q= mcp(T2-T1)

Last Answer : 339.4 K

There are 1.36 kg of gas, for which R = 377 J/kg.k and k = 1.25, that undergo a nonflow constant volume process from p1 = 551.6 kPa and t1 = 60°C to p2 = 1655 kPa. During the process the gas is internally stirred and there are also added 105.5 kJ of heat. Determine t2. (Formula: T2= T1p2/ p1)  a. 999 K  b. 888 K  c. 456 K  d. One of the above

Description : There are 1.36 kg of gas, for which R = 377 J/kg.k and k = 1.25, that undergo a nonflow constant volume process from p1 = 551.6 kPa and t1 = 60°C to p2 = 1655 kPa. During the process the gas is internally stirred and ... (Formula: T2= T1p2/ p1)  a. 999 K  b. 888 K  c. 456 K  d. One of the above

Last Answer : 999 K

The unit of calorific value of fuel is __________ . a) Kj /Kg b) J/Kg c)Kj /g d)J/g

Description : The unit of calorific value of fuel is __________ . a) Kj /Kg b) J/Kg c)Kj /g d)J/g

Last Answer : a) Kj /Kg

What is The surface area of a sphere can be approximated as follows Surface area 4πr2 where r is the radius of the sphere π is a constant that is roughly equal to 3. Using the simple approximat?

Description : What is The surface area of a sphere can be approximated as follows Surface area 4πr2 where r is the radius of the sphere π is a constant that is roughly equal to 3. Using the simple approximat?

Last Answer : 300 m^2

Standard free energy (∆G°) of hydrolysis of creatine phosphate is (A) -–51.4 KJ/mol (B) –43.1 KJ/mol (C) –30.5 KJ/mol (D) –15.9 KJ/mol

Description : Standard free energy (∆G°) of hydrolysis of creatine phosphate is (A) -–51.4 KJ/mol (B) –43.1 KJ/mol (C) –30.5 KJ/mol (D) –15.9 KJ/mol

Last Answer : Answer : B

Standard free energy (∆G°) of hydrolysis of phosphoenolpyruvate is (A) –61.9 KJ/mol (B) –43.1 KJ/mol (C) –14.2 KJ/mol (D) –9.2 KJ/mol

Description : Standard free energy (∆G°) of hydrolysis of phosphoenolpyruvate is (A) –61.9 KJ/mol (B) –43.1 KJ/mol (C) –14.2 KJ/mol (D) –9.2 KJ/mol

Last Answer : Answer : A

Standard free energy (∆G°) of hydrolysis of ADP to AMP + Pi is (A) –43.3 KJ/mol (B) –30.5 KJ/mol (C) –27.6 KJ/mol (D) –15.9 KJ/mol

Description : Standard free energy (∆G°) of hydrolysis of ADP to AMP + Pi is (A) –43.3 KJ/mol (B) –30.5 KJ/mol (C) –27.6 KJ/mol (D) –15.9 KJ/mol

Last Answer : Answer : C

Standard free energy (∆G°) of hydrolysis of ATP to ADP + Pi is (A) –49.3 KJ/mol (B) –4.93 KJ/mol (C) –30.5 KJ/mol (D) –20.9 KJ/mol

Description : Standard free energy (∆G°) of hydrolysis of ATP to ADP + Pi is (A) –49.3 KJ/mol (B) –4.93 KJ/mol (C) –30.5 KJ/mol (D) –20.9 KJ/mol

Last Answer : Answer : C

BMR of healthy adult women is about (A) 32 kcal/hour/square metre (B) 36 kcal/hour/square metre (C) 40 kcal/hour/square metre (D) 44 kcal/hour/square metre

Description : BMR of healthy adult women is about (A) 32 kcal/hour/square metre (B) 36 kcal/hour/square metre (C) 40 kcal/hour/square metre (D) 44 kcal/hour/square metre

Last Answer : Answer : B

BMR of healthy adult men is about (A) 30 kcal/hour/square metre (B) 35 kcal/hour/square metre (C) 40 kcal/hour/square metre (D) 45 kcal/hour/square metre

Description : BMR of healthy adult men is about (A) 30 kcal/hour/square metre (B) 35 kcal/hour/square metre (C) 40 kcal/hour/square metre (D) 45 kcal/hour/square metre

Last Answer : Answer : C

At a respiratory quotient of 0.85, every litre of oxygen consumed represents an energy expenditure of (A) 5.825 kcal (B) 4.825 kcal (C) 3.825 kcal (D) 2.825 kcal

Description : At a respiratory quotient of 0.85, every litre of oxygen consumed represents an energy expenditure of (A) 5.825 kcal (B) 4.825 kcal (C) 3.825 kcal (D) 2.825 kcal

Last Answer : Answer : B

Calorific value of alcohol is (A) 4 kcal/gm (B) 5.4 kcal/gm (C) 7 kcal/gm (D) 9 kcal/gm

Description : Calorific value of alcohol is (A) 4 kcal/gm (B) 5.4 kcal/gm (C) 7 kcal/gm (D) 9 kcal/gm

Last Answer : Answer : C

Calorific value of proteins as determined in a bomb calorimeter is (A) 4 kcal/gm (B) 4.8 kcal/gm (C) 5.4 kcal/gm (D) 5.8 kcal/gm

Description : Calorific value of proteins as determined in a bomb calorimeter is (A) 4 kcal/gm (B) 4.8 kcal/gm (C) 5.4 kcal/gm (D) 5.8 kcal/gm

Last Answer : Answer : C

One gram of protein on complete oxidation in the body yields about (A) 2 Kcal (B) 4 Kcal (C) 8 Kcal (D) 12 Kcal

Description : One gram of protein on complete oxidation in the body yields about (A) 2 Kcal (B) 4 Kcal (C) 8 Kcal (D) 12 Kcal

Last Answer : Answer : B

One gram of fat on complete oxidation in the body yields about (A) 4 Kcal (B) 6 Kcal (C) 9 Kcal (D) 12 Kcal

Description : One gram of fat on complete oxidation in the body yields about (A) 4 Kcal (B) 6 Kcal (C) 9 Kcal (D) 12 Kcal

Last Answer : Answer : C

One gram of carbohydrate on complete oxidation in the body yields about (A) 1 Kcal (B) 4 Kcal (C) 6 Kcal (D) 9 Kcal

Description : One gram of carbohydrate on complete oxidation in the body yields about (A) 1 Kcal (B) 4 Kcal (C) 6 Kcal (D) 9 Kcal

Last Answer : Answer : B

Given that the standard free energy change (∆G°) for the hydrolysis of ATP is –7.3 K cal/mol and that for the hydrolysis of Glucose 6-phosphate is –3.3 Kcal/mol, the ∆G° for the phosphorylation of glucose is Glucose + ATP → Glucose 6– Phosphate + ADP. (A) –10.6 Kcal/mol (B) –7.3 Kcal/mol (C) –4.0 Kcal/mol (D) +4.0 Kcal/mol

Description : Given that the standard free energy change (∆G°) for the hydrolysis of ATP is -7.3 K cal/mol and that for the hydrolysis of Glucose 6-phosphate is -3.3 Kcal/mol, the ∆G° for the phosphorylation of glucose is Glucose + ATP → ... -10.6 Kcal/mol (B) -7.3 Kcal/mol (C) -4.0 Kcal/mol (D) +4.0 Kcal/mol

Last Answer : Answer : C

The caloric value of lipids is (A) 6.0 Kcal/g (B) 9.0 Kcal/g (C) 15.0 Kcal/g (D) 12.0 Kcal/g

Description : The caloric value of lipids is (A) 6.0 Kcal/g (B) 9.0 Kcal/g (C) 15.0 Kcal/g (D) 12.0 Kcal/g

Last Answer : Answer : B

The calorific value of lipid is (A) 4.0 Kcal/gm (B) 6.0 Kcal/gm (C) 9.0 Kcal/gm (D) 15 Kcal/gm

Description : The calorific value of lipid is (A) 4.0 Kcal/gm (B) 6.0 Kcal/gm (C) 9.0 Kcal/gm (D) 15 Kcal/gm

Last Answer : Answer : C

Calorific value of lipids per gm is (A) 4 Kcal (B) 8 Kcal (C) 9 Kcal (D) None of these

Description : Calorific value of lipids per gm is (A) 4 Kcal (B) 8 Kcal (C) 9 Kcal (D) None of these

Last Answer : Answer : C

Energy reserves of an average well-fed adult man are about (A) 50,000 kcal (B) 100,000 kcal (C) 200,000 kcal (D) 300,000 kcal

Description : Energy reserves of an average well-fed adult man are about (A) 50,000 kcal (B) 100,000 kcal (C) 200,000 kcal (D) 300,000 kcal

Last Answer : Answer : B

The calorific value of wheat is about (A) 2.5 kcal/gm (B) 3.5 kcal/gm (C) 4.5 kcal/gm (D) 5.5 kcal/gm

Description : The calorific value of wheat is about (A) 2.5 kcal/gm (B) 3.5 kcal/gm (C) 4.5 kcal/gm (D) 5.5 kcal/gm

Last Answer : Answer : B

During first six months of lactation, the following increment in energy intake is recommended: (A) 200 kcal/day (B) 300 kcal/day (C) 550 kcal/day (D) 1,000 kcal/day

Description : During first six months of lactation, the following increment in energy intake is recommended: (A) 200 kcal/day (B) 300 kcal/day (C) 550 kcal/day (D) 1,000 kcal/day

Last Answer : Answer : C

During pregnancy, the following should be added to the calculated energy requirement: (A) 300 kcal/day (B) 500 kcal/day (C) 700 kcal/day (D) 900 kcal/day

Description : During pregnancy, the following should be added to the calculated energy requirement: (A) 300 kcal/day (B) 500 kcal/day (C) 700 kcal/day (D) 900 kcal/day

Last Answer : Answer : A

The recommended energy intake for an adult sedentary Indian woman is (A) 1,900 kcal/day (B) 2,200 kcal/day (C) 2,400 kcal/day (D) 2,700 kcal/day

Description : The recommended energy intake for an adult sedentary Indian woman is (A) 1,900 kcal/day (B) 2,200 kcal/day (C) 2,400 kcal/day (D) 2,700 kcal/day

Last Answer : Answer : A

The recommended energy intake for an adult sedentary Indian man is (A) 1,900 kcal/day (B) 2,400 kcal/day (C) 2,700 kcal/day (D) 3,000 kcal/day

Description : The recommended energy intake for an adult sedentary Indian man is (A) 1,900 kcal/day (B) 2,400 kcal/day (C) 2,700 kcal/day (D) 3,000 kcal/day

Last Answer : Answer : B

After calculating the energy requirement of a person: (A) 10% kcal are subtracted on account of SDA (B) 10% kcal are added on account of SDA (C) 20% kcal are subtracted on account of SDA (D) 20% kcal are subtracted on account of SDA

Description : After calculating the energy requirement of a person: (A) 10% kcal are subtracted on account of SDA (B) 10% kcal are added on account of SDA (C) 20% kcal are subtracted on account of SDA (D) 20% kcal are subtracted on account of SDA

Last Answer : Answer : B

After accounting for SDA, the net gain of energy from 100 gm of fat is about (A) 600 kcal (B) 780 kcal (C) 900 kcal (D) 1020 kcal

Description : After accounting for SDA, the net gain of energy from 100 gm of fat is about (A) 600 kcal (B) 780 kcal (C) 900 kcal (D) 1020 kcal

Last Answer : Answer : B

After accounting for SDA, the net gain of energy from 25 gm of carbohydrates is about (A) 70 kcal (B) 95 kcal (C) 100 kcal (D) 105 kcal

Description : After accounting for SDA, the net gain of energy from 25 gm of carbohydrates is about (A) 70 kcal (B) 95 kcal (C) 100 kcal (D) 105 kcal

Last Answer : Answer : B

After accounting for SDA, the net gain of energy from 25 gm of proteins is about (A) 70 kcal (B) 100 kcal (C) 130 kcal (D) 200 kcal

Description : After accounting for SDA, the net gain of energy from 25 gm of proteins is about (A) 70 kcal (B) 100 kcal (C) 130 kcal (D) 200 kcal

Last Answer : Answer : A

Pick out the wrong statement. (A) Aromatics have higher specific gravity than paraffins (B) Gross calorific value (GCV) of petrofuels is equal to (12400 - 2100 ρ 2 ) where, ρ is the specific gravity of the fuel at 15.5°C (C) Heavier petrofuels have higher GCV on weight basis (i.e., Kcal/kg) but lower GCV on volume basis (i.e., Kcal/litre) (D) Higher specific gravity of petrofuels means higher C/H ratio

Description : Pick out the wrong statement. (A) Aromatics have higher specific gravity than paraffins (B) Gross calorific value (GCV) of petrofuels is equal to (12400 - 2100 ρ 2 ) where, ρ is the specific gravity ... volume basis (i.e., Kcal/litre) (D) Higher specific gravity of petrofuels means higher C/H ratio

Last Answer : (C) Heavier petrofuels have higher GCV on weight basis (i.e., Kcal/kg) but lower GCV on volume basis (i.e., Kcal/litre)

Heat load in a cooling tower (A) Means the amount of heat thrown away (KCal/hr.) by the cooling tower (B) Is equal to the number of kg, of water circulated times the cooling range (C) Both (A) & (B) (D) Neither (A) nor (B)

Description : Heat load in a cooling tower (A) Means the amount of heat thrown away (KCal/hr.) by the cooling tower (B) Is equal to the number of kg, of water circulated times the cooling range (C) Both (A) & (B) (D) Neither (A) nor (B)

Last Answer : (C) Both (A) & (B)

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

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 temperature distribution, is the thermal conductivity (C) In unsteady state heat conduction, heat flows in the direction of temperature rise (D) In heat transfer by forced convection, Grashoff number is very important

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

Three materials A, B and C of equal thickness and of thermal conductivity of 20, 40 & 60 kcal/hr. m. °C respectively are joined together. The temperature outside of A and C are 30°C and 100°C respectively. The interface between B and C will be at a temperature of __________ °C. (A) 40 (B) 95 (C) 70 (D) 50

Description : Three materials A, B and C of equal thickness and of thermal conductivity of 20, 40 & 60 kcal/hr. m. °C respectively are joined together. The temperature outside of A and C are 30°C and 100°C respectively. The interface ... C will be at a temperature of __________ °C. (A) 40 (B) 95 (C) 70 (D) 50

Last Answer : (C) 70

Pick out the wrong statement. (A) Cp of monatomic gases such as metallic vapor is about 5 kcal/kg.atom (B) The heat capacity of solid inorganic substance is exactly equal to the heatcapacity of the substance in the molten state(C) There is an increase in entropy, when a spontaneous change occurs in anisolated system(D) At absolute zero temperature, the heat capacity for many pure crystallinesubstances is zero

Description : Pick out the wrong statement. (A) Cp of monatomic gases such as metallic vapor is about 5 kcal/kg.atom (B) The heat capacity of solid inorganic substance is exactly equal to the ... isolated system (D) At absolute zero temperature, the heat capacity for many pure crystalline substances is zero

Last Answer : (C) There is an increase in entropy, when a spontaneous change occurs in an isolated system

How safe is it to quit alcohol for a week after roughly 3.5 months of drinking every night?

Description : How safe is it to quit alcohol for a week after roughly 3.5 months of drinking every night?

Last Answer : Stop now. What are you waiting for? Maybe cut your consumption in half for a few days and then stop completely. Do you want to feel like garbage on vacation? If you're addicted you could easily get ... much you are drinking or how addicted you are. No one here can predict how your body will react.

Did different groups of humans independently discover roughly the same things at about the same time?

Description : Did different groups of humans independently discover roughly the same things at about the same time?

Last Answer : To some extent, yes. Language of course exists wherever humans are-that's a natural capacity of the human mind. There's no human society that doesn't have language. And everyone seems to have discovered ... century, no one in the Americas had invented the wheel. One wonders if they ever would have.

What is the name of the Mideastern fruit that looks roughly like an avocado, but is about the size of a medium watermelon?

Description : What is the name of the Mideastern fruit that looks roughly like an avocado, but is about the size of a medium watermelon?

Last Answer : answer:If the bread looked like this it is injera or Ethiopean flat bread and it tastes like a sponge. I don’t know about the fruit.

Roughly how many calories per day does a mammal need in cold weather?

Description : Roughly how many calories per day does a mammal need in cold weather?

Last Answer : answer:Not sure how helpful this is, but Milo weights about 13lbs. 7 oz and eats c. 1 cup of Hill's prescription tartar-control per day Package says 268 kcal/cup. I am not sure what a kcal ... (ever) go after anything larger than a chipmunk. But, of course, he knows he has a food supply waiting.

Roughly how much does it cost to get a root canal done with a private dentist?

Description : Roughly how much does it cost to get a root canal done with a private dentist?

Last Answer : The last one I had was A couple years ago, and was about $700 dollars.

Roughly, how much does it cost to replace a car's thermostat (by a mechanic)

Description : Roughly, how much does it cost to replace a car's thermostat (by a mechanic)

Last Answer : It depends on how long it will take the guy to do it. Some cars need to be extensively disassembled to do this.

Roughly, what does it cost to set-up and maintain a salt water tank?

Description : Roughly, what does it cost to set-up and maintain a salt water tank?

Last Answer : answer:In time? Maintenance of your tank system will require adequate time and dedication. Think about how much time it will take weekly to do this. Although this doesn't take a great deal of time, ... hobby (I probably spent $1000 in 5 years) but I found it well worth the effort. Source

What are your thoughts on late term abortions (roughly 23 weeks)

Description : What are your thoughts on late term abortions (roughly 23 weeks)

Last Answer : I try not to make blanket judgments on any individual cases.