## Tuesday, July 10, 2012

### IES Geology Solved Practice Paper

IES Geology Solved Practice Paper
Earth Science Model Test Paper
1. A gas, which obeys kinetic theory perfectly is
(a) Pure gas
(b) Real gas
(c) Perfect gas
(d) All of the above

2. The absolute zero pressure can be obtained at a temperature of
(a) 0°C
(b) 273°C
(c) +273°C
(d) None of the above

3. Three states of matter are distinguished with respect to molecules by the
(a) Atoms in molecules
(b) Number
(c) Orientation
(d) Character of motion

4. The absolute zero pressure exists
(a) At sea level
(b) At - 273° K
(c) At vacuum condition
(d) When molecular momentum of the system becomes zero

5. The universal gas constant da gas is the product
of molecular weight of the gas and
(a) Gas constant
(b) Specific heat at constant pressure
(c) Specific heat at constant volume
(d) None of the above

6. When heat is supplied at constant volume of a gas, it
(a) Increases the internal energy
(b) Increase the temperature
(c) Does some external work
(a) All of the above

7. For an ideal gas, the ratio pv/RT
(a) Is zero
(b) Tends to zero
(c) Is unity
(d) Tends to unity

8. When a gas is heated at constant volume, its
(a) Temperature increases
(b) Pressure increases
(c) Both temperature and pressure increases
(d) Temperature and pressure remains constant

8. The change of enthalpy is equal to heat in interchange, in case of
(a) Non flow constant volume process
(b) Non flow constant pressure process
(c) Non flow isothermal process
(d) All of the above

9. The gas constant (R) is equal to the
(a) Sum of two specific heats
(b) Difference of two specific heat
(c) Product of two specific heats
(d) Ratio of two specific heats.

10. The specific heat at constant volume of solids obeys Debye’s  law at
(a) High temperatures
(b) Low temperatures
(c) High pressures
(d) All temperatures

11. Value of universal gas constant in J/kg mole/°K is
(a) 8.314
(b) 83.14
(c) 831.4
(d) 8314

12. When temperature of the gas is reduced at
constant pressure, its
(a) Temperature increases but volume decreases
(b) Temperature decreases but volume increases
(c) Both temperature and volume increases
(d) Both temperature and volume decreases

13. The sum of pressure volume product and internal
energy, is known as
(a) Entropy
(b) Enthaply
(c) Specific heat
(d) None of the above

14. An isothermal process is governed by
(a) Boyle’s law
(b) Charles’s law
(c) Joule’s law
(d) Gay Lussac law

15. For the same expansion ratio, work done by the
gas in case of adiabatic process as compared to
work done in case of isothermal process is
(a) Same
(b) More
(c) Less
(d) None of the above

16. Adiabatic bulk modulus is y times the isothermal
bulk moudulus for
(a) Real gases
(b) Perfect gases
(c) Liquids
(d) All fluids

17. A process, in which the working substance
either receives nor gives out heat to its surroundings
during its expansion or contraction, is known as
(a) Isothermal process
(b) Isentropic process
(c) Polytropic process

18. The hyperbolic process is governed by
(a) Bayle’s law
(b) Charles’s law
(c) Joule’s law
(d) Gay Lussac law

19. In an isothermal process, internal energy
(a) Increases
(b) Remains constant
(c) Decreases
(d) None of the above

20. In isothermal expansion, work done by gas
depends upon
(a) Atomicity of gas only
(b) Expansion ratio only
(d) Both (a) and (b) above

21. A process, in which no heat is supplied or rejected
from the system and entropy is not constant, is known as
(a) Isothermal
(b) Isentropic
(c) Polytropic
(d) Hyperbolic

22. When a perfect gas is expanded through an
aperture of minute Mansions, the process is
(a) Isothermal          .
(c) Isentropic
(d) Throttling
23. Amount of heat added to gas under isothermal
condition is used for
(a) Temperature rise
(b) Doing external work
(c) Increasing internal energy
(d) All of the above.

24. In hyperbolic expansion of a gas, heat supplied
as compared to work done is
(a) Less                       (b) More
(c) Equal                     (d) None of the above