1- A container filled with a sample of an ideal gas at the pressure of 1.5 atm. The gas is compressed isothermally to one-fourth of its original volume. What is the new pressure of the gas? (A) 2 atm (B) 3 atm (C) 4 atm (D) 5 atm (E) 6 atm 2- A container with rigid walls filled with a sample of ideal gas. The absolute temperature of the gas is doubled. What happens to the pressure of the gas? (A) Doubles (B) Quadruples (C) Triples (D) Decreased to one-half (E) Decreased to one-fourth 3- If the absolute temperature of a radiating object is doubled, by what factor does the rate of energy emission change? (A) 2 (B) 4 (C) 8 (D) 16 (E)32

1- A container filled with a sample of an ideal gas at the pressure of 1.5 atm. The gas is compressed isothermally to one-fourth of its original volume. What is the new pressure of the gas? (A) 2 atm (B) 3 atm (C) 4 atm (D) 5 atm (E) 6 atm 2- A container with rigid walls filled with a sample of ideal gas. The absolute temperature of the gas is doubled. What happens to the pressure of the gas? (A) Doubles (B) Quadruples (C) Triples (D) Decreased to one-half (E) Decreased to one-fourth 3- If the absolute temperature of a radiating object is doubled, by what factor does the rate of energy emission change? (A) 2 (B) 4 (C) 8 (D) 16 (E)32

Elements Of Electromagnetics

7th Edition

ISBN:9780190698614

Author:Sadiku, Matthew N. O.

Publisher:Sadiku, Matthew N. O.

ChapterMA: Math Assessment

Section: Chapter Questions

Problem 1.1MA

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Work and Heat Transfer

It is generally related to thermal engineering which tells about the use, creation, conversion and transfer of heat energy between the systems. It is also considered that to transfer heat from one source to another, transfer of masses is also required. There are various mechanisms by which, transfer of heat takes place i.e. thermal conduction, convection, radiation or by change of phase. All these mechanisms have their own specific features which sometimes occur simultaneously within the same system.

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