Artificial draught is produced by____________?
Artificial draught is produced by____________?
A. air fans
B. steam jet
C. fan or steam jet
D. all of the above
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In fuel cell, the ___________ energy is converted into electrical energy?
In fuel cell, the ___________ energy is converted into electrical energy?
A. mechanical
B. chemical
C. heat
D. soundIn case of impulse steam turbine_____________?
In case of impulse steam turbine_____________?
A. there is enthalpy drop in fixed and moving blades
B. there is enthalpy drop only in moving blades
C. there is enthalpy drop in nozzles
D. none of the aboveSteam pressure in a steam power station, which is usually kept now-a-days is of the order of____________?
Steam pressure in a steam power station, which is usually kept now-a-days is of the order of____________?
A. 20 kgf/cm2
B. 50 kgf/cm2
C. 100 kgf/cm2
D. 150 kgf/cm2The amount of air which is supplied for complete combustion is called___________?
The amount of air which is supplied for complete combustion is called___________?
A. primary air
B. secondary air
C. tertiary airRateau steam turbine is______________?
Rateau steam turbine is______________?
A. reaction steam turbine
B. velocity compounded impulse steam turbine
C. pressure compounded impulse steam turbine
D. pressure velocity compounded steam turbineReheat factor in steam turbines depends on______________?
Reheat factor in steam turbines depends on______________?
A. exit pressure only
B. stage efficiency only
C. initial pressures and temperature only
D. all of the above