1. Identify which of the following are extensive properties and which are intensive properties: (a) a 10-m' volume, (b) 30 J of kinetic energy, (c) a pressure of 90 kPa, (d) a stress of 1000 kPa, (e) a mass of 75 kg, and (f) a velocity of 60 m/s. (g) Convert all extensive properties to intensive properties assuming m= 75 kg. 2. In a quasi-cquilibrium process, the pressure in a system (A) remains constant (B) varies with temperature (C) is everywhere constant at an instant (D) increases if volume increases 3. The standard atmosphere in meters of ammonia (= 600 kgim') is: (A) 17 m (B) 19 m (C) 23 m (D) 31 m
1. Identify which of the following are extensive properties and which are intensive properties: (a) a 10-m' volume, (b) 30 J of kinetic energy, (c) a pressure of 90 kPa, (d) a stress of 1000 kPa, (e) a mass of 75 kg, and (f) a velocity of 60 m/s. (g) Convert all extensive properties to intensive properties assuming m= 75 kg. 2. In a quasi-cquilibrium process, the pressure in a system (A) remains constant (B) varies with temperature (C) is everywhere constant at an instant (D) increases if volume increases 3. The standard atmosphere in meters of ammonia (= 600 kgim') is: (A) 17 m (B) 19 m (C) 23 m (D) 31 m
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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Transcribed Image Text:Q1
1. Identify which of the following are extensive properties and which are intensive
properties: (a) a 10-m' volume, (b) 30 J of kinetic energy, (c) a pressure of 90
kPa, (d) a stress of 1000 kPa, (e) a mass of 75 kg, and (f) a velocity of 60 m/s. (g)
Convert all extensive properties to intensive properties assuming m = 75 kg.
2. In a quasi-equilibrium process, the pressure in a system
(A) remains constant
(B) varies with temperature
(C) is everywhere constant at an instant
(D) increases if volume increases
3. The standard atmosphere in meters of ammonia (= 600 kg/m') is:
(A) 17 m
(B) 19 m
(C) 23 m
(D) 31 m
4. Sclect the correct T-v diagram if steam at vị = 0.005 m/kg is heated to v; = 0.5
m'/kg while maintaining P = 500 kPa. The dots are states I and 2 with I being on
the left.
AAAA
(A)
(B)
(C)
(D)
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