The unit of power is the watt (W) defined as a joule per second. Thus, 1 W equals to
A. 1 N. m/s
B. 1 N. m.s
C. 1 N. m
D. 1 N /s
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The unit of work in SI is the joule (J), which is the work done when the point of application of a 1-N force is displaced through a 1-m distance in the direction of a force. So 1 joule is equivalent to
A. N.m
B. N/m
C. N.m2
D. Kg.m
Which unit below is not in the System International (SI) of units?
A. Unit of length is the meter (m) ,
B. The force unit is the pound (lb),
C. The time unit is the second (s),
D. The temperature unit is the kelvin (K).
Eutectic alloys solidify similar to pure metals.
Sand casting have poor dimensional accuracy and surface finish.