Boiler mountings are

Question

Consider the following statements:

1. Boiler mountings are mainly protective devices.          

2. Steam stop valve is an accessory.

3. Feed water pump, is an accessory.

Which of these statements are correct?

 (a) 1,2 and 3                     (b) 1 and 2

(c)2 and 3                          (d) 3 and 1