A. supplied by same manufacturer loose and assembled at site
B. supplied mounted on a single base
C. purchased from several parties and packed together at site
D. packaged boiler does not exist
E. none of the above
Related Mcqs:
- Duplex feed pumps are used in small steam boilers. These operate on the principle of_________________?
A. centrifugal pump
B. axial flow pump
C. gear pump
D. ejector pump
E. reciprocating pump - 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 - 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 - 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 - For the same diameter and thickness of tube, a water tube boiler compared to a fire tube boiler has ____________________?
A. more heating surface
B. less heating surface
C. equal heating surface
D. heating surface depends on other parameters
E. none of the above - Which is not correct statement about pulverised fuel firing ?
A. high burning rate is possible
B. heat release can be easily controlled
C. fuel burns economically
D. it is the best technique for burning high ash content fuel having low fusion ash
E. separate mills are required to powder the coal - The firing order in a six stroke I.C. engine is_________________?
A. 1-3-6-5-2-4
B. 1-4-2-5-6-3
C. 1-6-2-5-4-3
D. 1-5-2-6-3-4
E. 1-5-3-4-2-6 - The most popular firing order in case of four cylinder in-line I.C. engine is__________________?
A. 1-2-3-4
B. 1-3-2-4
C. 1-4-2-3
D. 1-2-4-3
E. 1-3-4- - A liquid would wet the solid, if adhesion forces as compared to cohesion forces are________________?
A. less
B. more
C. equal
D. less at low temperature and more at high temperature
E. there is no such criterion - The diameter of internal flue tubes in a Lancashire boiler compared to its shell is_________________?
A. one-half
B. one-third
C. one-fourth
D. one-fifth
E. two-fifth
