A. increases
B. decreases
C. remains unaffected
D. first increases and then decreases
E. first decreases and then increases
Mechanical Engineering Mcqs
Mechanical Engineering Mcqs for Preparation of Job Test and interview, freshers, Students, competitive exams etc. Multiple choice questions here are on topics such as Machine Design, Theory of Machines, Hydraulic Machines etc.
A. increases
B. decreases
C. remains unaffected
D. first increases and then decreases
E. unpredictable
A. 100 kg/cm2 and 540°C
B. 1 kg/cm2 and 100°C
C. 218 kg/cm2 abs and 373°C
D. 218 kg/cm2 abs and 540°C
E. 100 kg/cm2 abs and 373°C
A. unburnt carbon in ash
B. incomplete combustion
C. ash content
D. flue gases
E. radiation losses
A. induced draft fan and chimney
B. induced draft fan and forced draft fan
C. forced draft fan and chimney
D. any one of the above
E. none of the above
A. kg of steam produced
B. steam pressure produced
C. kg of fuel fired
D. kg of steam produced per kg of fuel fifed
E. kg of water evaporated
A. better burning
B. more calorific value
C. less radiation loss
D. medium sized units
E. stoker fired boilers
A. smoky chimney exit
B. excess air in flue gases
C. measuring carbon mono-oxide in flue gases
D. measuring temperature of flue gases at exit of furnace
E. measuring oxygen in flue gases
A. (1- moisture content)
B. (1 + moisture content)
C. 1 + moisture content
D. 1 – moisture content
A. provide air around burners for obtaining optimum combustion
B. transport and dry the coal
C. cool the scanners
D. supply air for ignitors
E. convert CO (formed in lower zone of furnace) into C02 at higher zone
