Steam Boilers - Interview Questions | Exam2Win

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6. Fusible plug for boilers is made of fusible metal containing tin, lead, and

A. bismuth

B. copper

C. aluminum

D. nickel

E. iron.

Explanation:

7. The number of drums in Benson steam generator is

A. one

B. two

C. one steam drum and one water drum

D. no drum

E. none of the above.

Explanation:

8. The major axis of elliptical manholes on the shell should be provided

A. longitudinally

B. circumferentially

C. on dished end

D. anywhere

E. vertically.

Explanation:

9. With increase in load, convection superheater has

A. drooping characteristic

B. linear characterisstic

C. rising characteristic

D. flat characteristic

E. opt 5

Explanation:

10. Which type of boiler can meet rapid changes of load

A. vertical fire tube type

B. horizontal fire tube type

C. horizontal water tube type

D. vertical water tube type

E. forced circulation type.

Explanation: