Mechanical Engineering - Thermodynamics
Exercise :: Thermodynamics - Section 4
| 31. |
The general gas equation is (where p = Pressure, v = Volume, m = mass, T = Absolute temperature, and R = Gas constant) |
| A. |
pv = mRT | | B. |
pv = RTm | | C. |
pvm = C | | D. |
pv = (RT)m |
Answer: Option A
Explanation:
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| 32. |
The work ratio of simple gas turbine cycle depends upon |
| A. |
maximum cycle temperature | | B. |
minimum cycle temperature | | C. |
pressure ratio | | D. |
all of these |
Answer: Option D
Explanation:
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| 33. |
The gas constant (R) is equal to the |
| A. |
sum of two specific heats | | B. |
difference of two specific heats | | C. |
product of two specific heats | | D. |
ratio of two specific heats |
Answer: Option B
Explanation:
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| 34. |
Select the wrong statement |
| A. |
A Joule cycle consists of two constant volume and two isentropic processes. | | B. |
An Otto cycle consists of two constant volume and two isentropic processes. | | C. |
An Ericsson cycle consists of two constant pressure and two isothermal processes. | | D. |
all of the above |
Answer: Option A
Explanation:
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| 35. |
One kg of hydrogen requires 8 kg of oxygen and produces |
| A. |
1 kg of water | | B. |
7 kg of water | | C. |
8 kg of water | | D. |
9 kg of water |
Answer: Option D
Explanation:
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