Question:-
Which of the following are boiler mountings?
1. Fusible plug
2. Blow-off cock
3. Steam trap
4. Feed check valve
Select the correct answer using the code given below:
Option (A)
1,2 and 3
Option (B)
2,3 and 4
Option(C)
1,3 and 4
Option(D)
1,2 and 4
Correct Option:
(D)
question-answer-faq-9927