question_answer

..Which of the following pair (s) is/are correctly matched?

I. Four-bar chain ....Oscillating-oscillating converter

II. Inertia governor ...Rate of change of engine speed

III. Hammer blow ?Reciprocating unbalance

Select the correct answer using the codes given below

A) I alone              

B) I, II and III   

C) II and III                       

D) I and III