Clit) and (ii)
D:(i) and (iv)
Correct Answer: Option-C

‘Question24:-Pick out the wrong statements from the following,

(i) Bound moisture is removed during constant rate drying period.

(i) Free moisture is removed during falling rate drying period,

(ii) The some of free moisture and equilibrium moisture in a solid is called the critical moisture,
(iv) The driving force for mass transfer in a wet solid is its free moisture content.

ti i) and (iv)
8:00, (0) 8೧ರ 0)
oti id anv)
Dei i) and Gi

Correct Answer: Option-D

Question25:-In a given plant, 1906 kg of Nitrogen and 475 kg of Hydrogen are fed to the synthesis reactor per hour. Production of pure ammonia from this reactor is 1633 kg/h. What is
the percent excess reactant ?

96ھ
‎B:-10.5%‏
‎ടം‏
‏5:496
‏۸۸ا05 ۸۳۰۸۷9۴۰ ‎09۲۷۶١۲‏

‘Question26:-Calculate the number of moles of K.C0, in 650 g. Take the molecular weight ‏۴ہ‎ ۴

9.3, 6

42.7 mol
B:-3.7 mol
‏ھی‎ mol
D:5.7 mol
Correct Answer:- Option-C

‘Question27:-Natural gas is piped from the well at temperature 300 K and pressure 400 kPa. The gas is found to contain 90% Methane, 5.5% Ethane and the rest Nitrogen. Calculate the
partial pressure of Nitrogen.

ಸಿ25 kPa
8:26 ठ
ടെ
5:8
Correct Answer:- Option-D
Question28:-Which of the following statement is correct according to Dalton's law ?

Pap Pia Pa

പു

1,41.1.
D:-P = Constant
Correct Answer: Option:

Question29:-A crystallizer is charged with 100 kg of a solution containing 25% Ba(N0,)_2 in water. On cooling 10% of the original water present evaporates. Calculate the yield of
crystals when the solution is cooled to 283 K. The solubility at 283 K is 7 kg Ba(NO,),/100 kg total water.

20.28 kg
B:-21.28 kg
19.28 kg
०-18.28 kg
Correct Answer:- Option-é

‘Question30:-Which of the petroleum product, the Octane no is an important test ?

6ھ
‎B:-Kerosene‏
‎C-Gasaline‏

D:-Light diesel oil

Correct Answer: Option-C