- (A) prevent flat surfaces under pressure from tearing apart
- (B) take care of failure in shear
- (C) take care of failure in compression
- (D) provide support for boiler
- (E) provide foundation of boiler
Mechanical Engineering Mcqs
- (A) vertical fire tube type
- (B) horizontal fire tube type
- (C) horizontal water tube type
- (D) vertical water tube type
- (E) forced circulation type
- (A) pulverised fuel fired boiler
- (B) cochran boiler
- (C) lancashire boiler
- (D) babcock and wilcox boiler
- (E) stoker fired boiler
- (A) can be raised rapidly
- (B) is raisd at slower rate
- (C) is raised at same rate
- (D) could be raised at fast/slow rate depending on design
- (E) none of the above is true
- (A) heating takes place at bottom and the water supplied at bottom gets converted into the mixture of steam bubbles and hot water which rise to drum
- (B) water is supplied in drum and through down-comers located in atmospheric condition it passes to the water wall and rises to drum in the form of mixture of water and steam
- (C) feed pump is employed to supplement natural circulation in water wall type furnace
- (D) water is converted into steam in one pass without any recirculation
- (E) heating of water takes place in stages
- (A) bismuth
- (B) copper
- (C) aluminium
- (D) nickel
- (E) iron
- (A) Higher calorific value at constant volume
- (B) Lower calorific value at constant volume ,
- (C) Higher calorific value at constant pressure
- (D) Lower calorific value at constant pressure
- (E) None of the above
- (A) carbon, hydrogen, nitrogen, sulphur, moisture
- (B) fixed carbon, ash, volatile matter, moisture
- (C) higher calorific value
- (D) lower calorific value
- (E) rough analysis
- (A) entropy
- (B) enthaply
- (C) pressure
- (D) temperature
- (E) all of the above
- (A) desirable
- (B) economical
- (C) essential
- (D) optional
- (E) uneconomical
