A shaft revolving at $$\omega $$ rad/s transmits torque (T) in Nm. The power developed is
A. $${\text{T}}\omega {\text{ watts}}$$
B. $$2\pi {\text{T}}\omega {\text{ watts}}$$
C. $$\frac{{2\pi {\text{T}}\omega }}{{75}}{\text{ watts}}$$
D. $$\frac{{2\pi {\text{T}}\omega }}{{4500}}{\text{ watts}}$$
Answer: Option A
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Related Questions on Strength of Materials in ME
A. Equal to
B. Less than
C. Greater than
D. None of these
A. $$\frac{{{\text{w}}l}}{6}$$
B. $$\frac{{{\text{w}}l}}{3}$$
C. $${\text{w}}l$$
D. $$\frac{{2{\text{w}}l}}{3}$$
The columns whose slenderness ratio is less than 80, are known as
A. Short columns
B. Long columns
C. Weak columns
D. Medium columns
Nop
As P = *2πNT/60*
While 2πN/60= w
So put it's value in above eqn
P= WT *A* opt