Users Also Read

MCQ's Search Engine

Electrical Engineering

Mechanical Engineering

Civil Engineering

Automobile Engineering

Chemical Engineering

Computer Engineering

Electronics Engineering

Medical Science Engg

Q1. | Methane is mixed with stoichiometric proportion of oxygen and completely combusted. The number of additional specifications required to determine the product flow rate and composition is |

A. | 0 [Correct Answer] |

B. | 1 [Wrong Answer] |

C. | 2 [Wrong Answer] |

D. | 3 [Wrong Answer] |

View Answer
Explanation:-
Answer : ADiscuss it below :!! OOPS Login [Click here] is required to post your answer/resultHelp other students, write article, leave your comments |

**Also Read Similar Questions Below :**

⇒ At 100°C, water and methylcyclohexane both have vapour pressures of 1 atm. Also at 100°C, the latent heats of vaporisation of these compounds are 40.63 kJ/mole for water and 31.55 kJ/mole for methylcyclohexane. The vapour pressure of water at 150°C is 4.69 atm. At 150°C, the vapour pressure of methylcyclohexane would be expected to be

significantly less than 4.69 atm.

nearly equal to 4.69 atm.

significantly more than 4.69 atm.

indeterminate due to lack of data

⇒ PH value of H

_{2}SO

_{4}(5% concentration) is

5

7

> 7

< 7

⇒ "The heat capacity of a solid compound is approximately equal to the sum of the heat capacities of the constituent elements." This is the statement of

Law of Petit and Dulong

Kopp's rule

Nearnst heat theorem

Trouton's rule

⇒ Which of the following has the smallest least effect on the solubility of a solute into the solvent ?

Nature of the solute

Nature of the solvent

Temperature

Pressure

⇒ Volume occupied by one gm mole of a gas at S.T.P. is

22.4 litres

22400 litres

22.4 c.c

359 litres

⇒ 1m

^{3}is approximately equal to

28 litres

35 ft

^{3}

4.5 litres

4.5 ft

^{3}

⇒ Solution made by dissolving equimolar amounts of different solutes in the same amount of a given solvent will have the

same elevation in boiling point.

different elevation in boiling point.

elevation in boiling point in the ratio of their molecular weights.

none of these.

⇒ Pick out the wrong unit conversion of heat transfer rate.

1 kcal/hr= 1.163 Watt.

1 Watt = 1.163 kcal/hr.

1 BTU/ft

^{2}.hr = 2.712 kcal/m

^{2}.hr.

1 kcal/m

^{2}.hr = 0.3687 BTU/ft

^{2}.hr = 1.163 Watt/m

^{2}.

⇒ If 1.5 moles of oxygen combines with aluminium to form Al

_{2}O

_{3}, then the weight of aluminium (atomic weight = 27 ) used in this reaction is __________ gm.

27

54

5.4

2.7

⇒ Internal energy of a substance comprises of the __________ energy.

vibrational

rotational

translational

all (a), (b) & (c)

⇒ If pH value of an acidic solution is decreased from 5 to 2, then the increase in its hydrogen ion concentration is __________ times.

10

100

1000

10000

⇒ The effect of pressure on the heat capacity of the gases __________ is negligible.

at pressure below one atmosphere

below the critical temperature

both(a)&(b)

neither (a) nor (b)

⇒ "The total volume occupied by a gaseous mixture is equal to the sum of the pure component volumes". This is the __________ law.

Dalton's

Amgat's

GayLussac's

Avogadro's

⇒ Pick out the wrong unit conversion.

l kgf= 9.8 Newton.

1 stoke = 1 m

^{2}/second.

1 Pascal second = 10 poise.

1 ppm = 1 ml/m

^{3}= 1 mg/kg.

⇒ Addition of a non-volatile solute to a pure solvent

increases its freezing point.

increases its boiling point.

decreases its freezing point.

both (b) and (c)

⇒ __________ equation relates latent heat and boiling point.

Antonie

Kistyakowsky

Kopp's

Trouton's

⇒ Simultaneous doubling of the absolute temperature of a gas and reduction of its pressure to half, will result in __________ in the volume of the gas.

no change

doubling

l/4th reduction

four fold increase

⇒ A car tyre of volume 0.057 m

^{3}is inflated to 300 kPa at 300 K. After the car is driven for 10 hours, the pressure in the tyre increases to 330 kPa. Assume air is an ideal gas and

*Cv*for air is 21 J/mole.K. The change in the internal energy of air in the tyre in J/mole is

380

630

760

880

⇒ 1 BTU/lb.

^{←}°F is equivalent to __________ kcal/kg.°C.

1

2.42

1.987

4.97

⇒ One micron is equal to __________ cm.

10

^{-2}

10

^{-4}

10

^{-6}

10

^{-8}

⇒ A very dilute solution is prepared by dissolving 'x

_{1}' mole of solute in 'x

_{2}' mole of a solvent. The mole fraction of solute is approximately equal to

x

_{1}/x

_{2}

x

_{2}/x

_{1}

1 - (x

_{1}/x

_{2})

1/x

_{2}

⇒ The weight fraction of methanol in an aqueous solution is 0.64. The mole fraction of methanol

*X*satisfies

_{M}*X*< 0.5

_{M}*X*= 0.5

_{M}0.5 <

*X*< 0.64

_{M}*X*≥ 0.64

_{M}⇒ A 'limiting reactant' is the one, which decides the __________ in the chemical reacation.

equilibrium constant

conversion

rate constant

none of these

⇒ Atomic __________ of an element is a whole number.

weight

number

volume

radius

⇒ 1 centipoise is equivalent to

1 gm/cm.second

1 centistoke

2.42 lb/ft.hr

2.42 lb/ft.second

⇒ If pH value of a solution is 8, then its pOH value will be

6

1

7

10

⇒ Assuming applicability of ideal gas law, the pure component volume of the vapor in a saturated gas can be calculated from theoretical relationship. The volumetric composition of a vapor saturated gas is independent of the

nature of the liquid.

nature of the gas.

temperature of the liquid. id) total pressure.

⇒ Ideal solution is formed, when its components have zero

heat of mixing.

volume change.

both (a) & (b).

neither (a) nor (b).

⇒ Which of the following expressions defines the Baume gravity scale for liquids lighter than water ?

°Be = (140/G) - 130

°Be = 200(G-1)

°Be = 145 - (145/G)

°Be = (400/G) - 400

⇒ For an ideal solution, the total vapor pressure varies __________ with the composition(expressed as mole fraction).

inversely

exponentially

linearly

negligibly