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- Question
Pick out the correct statement:
Options- A. In an isothermal system, irreversible work is more than reversible work.
- B. Under reversible conditions, the adiabatic work is less than isothermal work.
- C. Heat, work, enthalpy and entropy are all 'state functions'.
- D. Matter and energy can not be exchanged with the surroundings in a closed system.
- Correct Answer
- Under reversible conditions, the adiabatic work is less than isothermal work.
- 1. Ammonium phosphate is a __________ fertiliser.
Options- A. nitrogenous
- B. phosphatic
- C. complex
- D. mixed Discuss
- 2. Radioactivity of an isotope is expressed in
Options- A. barn
- B. MeV
- C. Curie
- D. Ergs Discuss
- 3. Corrosion of metals can not be prevented by its
Options- A. tempering
- B. chromising
- C. aluminising
- D. alloying Discuss
- 4. The value of 'angle of nip' is generally about
Options- A. 16°
- B. 32°
- C. 52°
- D. 64° Discuss
- 5. Which is a neutral refractory?
Options- A. Graphite
- B. Magnesite chrome
- C. Silica
- D. Magnesia Discuss
- 6. Buna-S is also known as
Options- A. teflon
- B. PTFE
- C. SBR
- D. polycrylates Discuss
- 7. Viscosity of atmospheric air may be about __________ centipoise.
Options- A. 0.015
- B. 1.5
- C. 15
- D. 150 Discuss
- 8. Refined acetic acid storage vessel are made of
Options- A. copper
- B. aluminium
- C. high carbon steel
- D. nickel Discuss
- 9. Which is a basic refractory?
Options- A. Fireclay
- B. Silica
- C. Chrome magnesite
- D. None of these Discuss
- 10. Soaking pits are meant for heating steel
Options- A. ingots
- B. coils
- C. sheets
- D. slabs Discuss
More questions
Correct Answer: mixed
Correct Answer: Curie
Correct Answer: tempering
Correct Answer: 32°
Correct Answer: Graphite
Correct Answer: SBR
Correct Answer: 0.015
Correct Answer: aluminium
Correct Answer: Chrome magnesite
Correct Answer: ingots
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