Consider the following pairs of types of bearings and applications:

1). Partial Journal bearing ... Rail wagon axles 2). Full Journal bearing ... Diesel engine crankshaft 3). Radial bearing ... Combined radial and axial loads Which of these pairs is/are correctly matched?

(a) 1 alone

(b) 1 and 2

(c) 2 and 3

(d) 1,2 , and 3 .