Related Questions

The cutting speed for drilling aluminium, brass and bronze with carbon steel drills is _________ cutting speed for drilling mild steel with high speed steel drills.
A Equal to
B Less than
C More than
D None of these
The centre of percussion is below the centre of gravity of the body and is at a distance equal to
A h / kG
B h.kG
C h2/kG
D k2G/h
Center of percussion is
A The point of C.G.
B The point of metacenter
C The point of application of the resultant of all the forces tending to cause a body to rotate about a certain axis
D Point of suspension
The center of percussion of the homogeneous rod of length L suspended at the top will be
A $$\frac{{\text{L}}}{2}$$
B $$\frac{{\text{L}}}{3}$$
C $$\frac{{3{\text{L}}}}{4}$$
D $$\frac{{2{\text{L}}}}{3}$$
The centre of percussion of a solid cylinder of radius r resting on a horizontal plane will be
A $$\frac{{\text{r}}}{2}$$
B $$\frac{{2{\text{r}}}}{3}$$
C $$\frac{{\text{r}}}{{\text{A}}}$$
D $$\frac{{3{\text{r}}}}{2}$$
If a suspended body is struck at the centre of percussion, then the pressure on die axis passing through the point of suspension will be
A Maximum
B Minimum
C Zero
D Infinity
Which of the following is a percussion instrument?
A Manjira
B Jhanjh
C Khartal
D All of these
When the body is suspended at the point of suspension, its periodic time and frequency will be ________ as compared to the body suspended at the point of percussion.
A Same
B Two times
C Four times
D None of these
The centre of percussion of the homogeneous rod of length ‘L’ suspended at the top will be
A $$\frac{{\text{L}}}{2}$$
B $$\frac{{\text{L}}}{3}$$
C $$\frac{{3{\text{L}}}}{4}$$
D $$\frac{{2{\text{L}}}}{3}$$
The center of percussion of a solid cylinder of radius ‘r’ resting on a horizontal plane will be
A $$\frac{{\text{r}}}{2}$$
B $$\frac{{2{\text{r}}}}{3}$$
C $$\frac{{\text{r}}}{{\text{A}}}$$
D $$\frac{{3{\text{r}}}}{2}$$

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