Consider the following statements
1. Fusible plug is a device used to put off fire in the furnace of the boiler when the level of water in the boiler fails to an unsafe limit
2. Superheater is a device used to increase to temperature of saturated steam without raising its pressure
3. An economizer decreases the steam raising capacity of boiler
Which of the above statements is/are correct?
(a) 1 and 2 (b) 2 and 3 (c) 1 only (d) 1, 2 and 3