Multiple Choice Question (MCQ)
Question: How many teeth are in translating gear for cutting metric thread on British lathe?
A.
122
B.
125
C.
127
D.
129
Correct Answer: 127
Explanation
Power is the rate of doing work or workdone per unit time. In S.I. system of units, the unit of power is watt (briefly written as W) which is equal to 1 N-m/s or 1 J/s.
Generally a bigger unit of power called kilowatt (briefly written as kW) is used which is equal to 1000 W.