A. 21
B. 23
C. 25
D. 77
E. 79
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Related Mcqs:
- On weight basis, air contains following parts of oxygen_________________?
- A. 21 B. 23 C. 25 D. 73 E. 79...
- According to which law, all perfect gases change in volume by l/273th of their original volume at 0°C for every 1°C change in temperature when pressure remains constant ____________________?
- A. Joule’s law B. Boyle’s law C. Regnault’s law D. Gay-Lussac law E. Charles’ law...
- A gas is compressed in a cylinder by a movable piston to a volume one-half its original volume. During the process 300 kJ heat left the gas and internal energy remained same. The work done on gas in Nm will be___________________?
- A. 300 Nm B. 300,000 Nm C. 30 Nm D. 3000 Nm E. 30,000 Nm...
- Absolute zero pressure will occur _____________________?
- A. at sea level B. at the center of the earth C. when molecular momentum of the system becomes zero D. under vacuum conditions E. at a temperature of – 273 °K...
- The basis for measuring thermodynamic property of temperature is given by___________________?
- A. zeroth law of thermodynamics B. first law of thermodynamics C. second law of thermodynamics D. third law of thermodynamics E. Avogadro’s hypothesis...
- To convert volumetric analysis to gravimetric analysis, the relative volume of each constituent of the flue gases is____________________?
- A. divided by its molecular weight B. multiplied by its molecular weight C. multiplied by its density D. multiplied by its specific weight E. divided by its specific weight...
- A heat exchange process in which the product of pressure and volume remains constant is known as_______________?
- A. heat exchange process B. throttling process C. isentropic process D. adiabatic process E. hyperbolic process...
- The cycle in which heat is supplied at constant volume and rejected at constant pressure is known as_________________?
- A. Dual combustion cycle B. Diesel cycle C. Atkinson cycle D. Rankine cycle E. Stirling cycle...
- If a gas is heated against a pressure, keeping the volume constant, then work done will be equal to__________________?
- A. + v B. – ve C. zero D. pressure x volume E. any where between zero and infinity...
- The pressure’of a gas in terms of its mean kinetic energy per unit volume E is equal to________________?
- A. E/3 B. E/2 C. 3E/4 D. 2E/3 E. 5E/4...
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