hoop stress, radial stress and longitudinal stress at point in the thickness will be

Question

If a thick cylindrical shell is subjected to internal pressure, then hoop stress, radial stress and longitudinal stress at point in the thickness will be                                                                    

(a)  Tensile, compressive and compressive respectively

(b) All compressive

(c)  All tensile

(d)    Tensile, compressive and tensile respectively