Cecurl(F) #0

D:-curl(F)

Correct Answer:- OptionA

Question16:-A compound whose molecular weight is 106 and composition on weight basis

C-85% = Ha -5% Ny-10%
Formula of this compound will be
ACgHsN
2:6 ‏۷او لو‎

ಲ್ಯಾ
5: ‏و 7آو‎
ஜொலி தரள: ஜெப்ரி
Question ರ contain 0.02 mol. Calculate the mixture density in gram per liter at 27°C and 600 mm Hg, [Assume gas follows ideal gas lav]
160 ரரி
8:-0.624 07/1೨:
-0.02 gmvliter
1.50 ரரி

Correct Answer:-Question Cancelled

Question18:-The gases entering a reactor contain A and B in mole ratio of 1 : 3. The mole ratio of these gases in the exit stream from the reactor is 1 : 4.5. What volume of gas in 93
at NTP must enter the reactor to produce 300 kmol of product per hour ? The reaction is A+ 2B — C

622400131೧
8:-11200193 hr
448003 hr

1620075 11
Correct Answer:- Option-C

वि potassium dichromate solution in water contains 15% 7൮൨൩0 by weight: 1000 kg ofthis solution is evaporated to remove 500 kg of water. The remaining solution
is cove to 30°. Find the K gC'7,07 cstal veld?

Data given : Solubility of K-2C'r907 is 0.340 kg mole per 1000 kg water (at 30°C)
Atomic weight : K = 39, Cr= 52
[Assume that A(gC'r907 crystal have no water of crystallization]

۸866

76%

65%
D:-82%

Correct Answer:- Option-B

‘Question20:-50 kg/h of methanol liquid at a temperature of 300 K (27°C) is obtained by removing heat from saturated methanol vapour. Find out the amount of heat to be removed in
this case.

Data given : Boiling point of methanol = 337 ॥ (64°C)
Latent heat of condensation of methanol 2 1100 1/4
Specific heat of methanol = 2.7 ki/{kg.K)

۸0۷

الما 26.66-:8

€:53.23100

16.66 kW

Correct Answer:- Option-D

‘Question21 Heat of combustion of C'H sOH = -1200 k\/mol. 92 9 of C'pHsOH is completely combusted and heat supplied to water at 298 K (25°C) to convert it to steam at 373
K (100°C) is 2260 KJ/kg. Find the amount of water which could be converted to steam.

0.93 kg
പടി
0.73 kg
०२.73७

Correct Answer:- OptionA

Question22:-Air at a temperature of 20°C and a pressure of 30 Hg has a relative humidity of 70%. Calculate the molal humidity of this air if its temperature Is reduced to 10°C and its
pressure increased to 40 Hg, condensing aut some of the water.

Data given : Vapour pressure of water : 17.5 mm Hg at 20°C
9.2 mm Hg at 10°C

५0०16
8:-0.0091
00,019

0-0.0051

Correct Answer:- Option-B

‘Question23:-The Orsat analysis of a flue gas is CO = 12%; Og = 8%; IN = 80%. Determine the percent excess air used in combustion, the nitrogen present in the flue gas is
contributed by air only.

۸6

50%