In locomotive boiler, maximum steam pressure is limited to_______________?

Related Mcqs:

1. The size of a boiler drum in pulverised fuel fired boiler,as its size and capacity, (steam pressure and flow ratings) increase __________________?

   A. increases
   B. decreases
   C. remains unchanged
   D. increases/decreases depending on steam temperature requirements
   E. unpredictable

2. The high pressure boiler is oiie producing steam at a pressure more than_________________?

   A. atmospheric pressure
   B. 5 kg/cm2
   C. 10 kg/cm2
   D. 40 kg/cm2
   E. 75-80 kg/cm2

3. The shell diameter and length of locomotive boiler are_______________?

   A. 1.5 m, 4 m
   B. 1.5 m, 6 m
   C. 1 m, 4 m
   D. 2 m, 4 m
   E. 1.5 m, 8 m

4. Locomotive boiler is of the following type__________________?

   A. multitubular
   B. horizontal
   C. internally fired
   D. mobile
   E. all of the above

5. The diameters of fire tubes and superheaer tubes in locomotive boiler are_________________?

   A. 47.5 mm, 130 mm
   B. 32.5 mm, 180 mm
   C. 65.5 mm, 210 mm
   D. 24.5 mm, 65 mm

6. Locomotive type’ boiler is__________________?

   A. horizontal multitubular water tube boiler
   B. water wall enclosed furnace type
   C. vertical tubular fire tube type
   D. horizontal multi-tubular fire tube type
   E. none of the above types

7. It is required to produce large amount of steam at low pressure. Which boiler should be used ?

   A. pulverised fuel fired boiler
   B. cochran boiler
   C. lancashire boiler
   D. babcock and wilcox boiler
   E. stoker fired boiler

8. Expanding steam to a very low pressure (high vacuum) in steam engines is _________________?

   A. desirable
   B. economical
   C. essential
   D. optional
   E. uneconomical

9. Pick up the correct statement as regards Cornish boiler and Lancashire boiler _______________?

   A. cornish is fire tube and lancashire is water tube
   B. cornish is water tube and lancashire is fire tube
   C. cornish has two fire tubes and lancashire has one
   D. lancashire has two fire tubes and cornish has one
   E. both have two fire tubes

10. The difference between cornish boiler and lancashire boiler is that_________________?

    A. former is fire tube type and latter is water tube type boiler
    B. former is water tube type and latter is fire tube type
    C. former contains one fire tube and latter contains two fire tubes
    E. none/of the above