...................... states that the volume of a given quantity of a gas is directly proportional to the absolute temperature at constant pressure.

Consider the following statements on Boyle's law. 1. It states that the pressure exerted by a gas is directly proportional to the volume occupied by it. 2. It states that the volume of an ideal gas is directly proportional to the absolute temperature at constant pressure. Which among the above statements is/are correct.

A

1 only

B

2 only

C

Both 1 and 2

D

Neither 1 nor 2

Consider the following statements: 1. If x is directly proportional to z and y is directly proportional to z, then (x2 - y2) is directly proportional to z2. 2. If x is inversely proportional to z and y is inversely proportional to z, then (xy) is inversely proportional to z2. Which of the above statements is/are correct?

A

1 only

B

2 only

C

Both 1 and 2

D

Neither 1 nor 2

Which of the following gas law states that if the pressure of a gas remains constant, the volume of the gas is directly proportional to the absolute temperature of the gas?

A

Dalton’s Law

B

Boyle’s Law

C

Gay-Lussac’s Law

D

Charles’ Law

How is the degree of emulsion polymerization related to the monomer concentration, and the rate of radical generation, Ri? , inversely proportional to Ri b) inversely proportional to Ri, directly proportional to . c) directly proportional to Ri, independent of . d) directly proportional to , independent of Ri

A

and the rate of radical generation, Ri? ] directly proportional to , inversely proportional to Ri

B

M

C

M

D

M

Pressure varies inversely with respect to volume and temperature varies directly with respect to volume. At a point, volume is 40 m3, temperature is 20 K, and pressure is 2 atm. If the volume is increased to 400 m3, while the pressure is constant, then what will be the resultant temperature?

A

100 K

B

200 K

C

400 K

D

80 K

Group I shows different heat addition processes in power cycles. Likewise, Group II shows different heat removal processes. Group III lists power cycles. Match items from Groups I, II and III. Group I Group II Group III P. Pressure constant S. Pressure constant 1. Rankine cycle Q. Volume constant T. Volume constant 2. Otto cycle R. Temperature constant U. Temperature constant 3. Carnot cycle 4. Diesel cycle 5. Brayton cycle

A

P – S – 5, R – U – 3, P – S – 1, Q – T - 2

B

P – S – 1, R – U – 3, P – S – 4, P – T - 2

C

R – T – 3, P – S – 1, P – T – 4, Q – S - 5

D

P – T – 4, R – S – 3, P – S – 1, P – S - 5

The heat supplied to the gas at constant volume is (where m = Mass of gas, C_v = Specific heat at constant volume, C_p = Specific heat at constant pressure, T₂ - T₁ = Rise in temperature and R = Gas constant)

A

mR (T₂ - T₁)

B

mC_v (T₂ - T₁)

C

mC_p (T₂ - T₁)

D

None of the above

.....................states that the pressure of a given mass of a gas is directly proportional to its absolute temperature at constant Volume.

A

Gay Lussac's Law:

B

Charle's Law

C

Boyle's Law

D

None of the above

For absolute chamber gas temperature Tg, absolute liquid temperature Tl, absolute wall temperature on the gas side of the wall Twg, overall film coefficient h, gas film coefficient hg and liquid film coefficient hl, determine the expression for heat transferred per unit area q.

A

q = hl (To – Twg)

B

q = h (To – Twg)

C

q = hg (To – Twg)

D

q = hg/h (Twg – To)

Which law states that the volume of an ideal gas at constant pressure is directly proportional to its absolute temperature?

A

Boyle's law

B

Charles's law

C

Avogadro's law

D

Joule's law

...................... states that the volume of a given quantity of a gas is directly proportional to the absolute temperature at constant pressure.

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