- 1 m of air at atmospheric condition weighs approximately__________________?
- A. 0.5 kg B. 1.0 kg C. 1.3 kg D. 2.2 kg E. 3.2 kg...
- Mining industry usually employs following motive power___________________?
- A. A.C. electric motor B. compressed air C. petrol engine D. diesel engine E. D.C. electric motor...
- For slow-speed large capacity compressor, following type of valve will be best suited________________?
- A. poppet valve B. mechanical valve of the corliss, sleeve, rotary or semirotary type C. disc or feather type D. any of the above E. none of the above...
- Open cycle gas turbine works on___________________?
- A. Brayton or Atkinson cycle B Rankine cycle C. Carnot cycle D. Erricsson cycle E. Joule cycle...
- Intercooling in gas turbine results in ____________________ ?
- A. increase in net output but decrease in thermal efficiency B. increase in thermal efficiency but decrease in net output C. increase in both thermal efficiency and net output D. decrease in both thermal efficiency and net output E. none of the above...