Related Questions

In a gear having involute teeth, the normal to the involute is a tangent to the
A pitch circle
B base circle
C addendum circle
D dedendum circle
In a gear, having Involute teeth, the normal to the Involute is a tangent to the
A Base circle
B Pitch circle
C Addendum circle
D Dedendum circle
When the addenda on pinion and wheel is such that the path of approach and path of recess are half of their maximum possible values, then the length of the path of contact is given by (where r = Pitch circle radius of pinion, R = Pitch circle radius of wheel and $$\varphi $$ = Pressure angle)
A $$\frac{{\left( {{{\text{r}}^2} + {{\text{R}}^2}} \right)\cos \varphi }}{2}$$
B $$\frac{{\left( {{{\text{r}}^2} + {{\text{R}}^2}} \right)\sin \varphi }}{2}$$
C $$\frac{{\left( {{\text{r}} + {\text{R}}} \right)\cos \varphi }}{2}$$
D $$\frac{{\left( {{\text{r}} + {\text{R}}} \right)\sin \varphi }}{2}$$
Which of the following property sets pitch or tone (high or low) for the synthesized speech when reading an element; the pitch may be specified absolutely or relative to the normal pitch for the voice-family used to read the text?
A voice-check
B voice-format
C voice-pitch
D voice-volume
In which of the following type of gear train the first gear and the last gear are co-axial.
A Simple gear train
B Compound gear train
C Reverted gear train
D None of the mentioned
The radius of circle A is r, and the radius of circle B is 3/4r. What is the ratio of the area of circle A to the area of circle B?
A 16 to 9
B 9 to 16
C 1 to 4
D 4 to 3
An involute pinion and gear are in mesh. If both have the same size of addendum, then there will be an interference between the
A tip of the gear tooth and flank of pinion
B tip of the pinion and flank of gear
C flanks of both gear and pinion
D tip of both gear and pinion
An Involute pinion and gear are in mesh. If both have the same size of addendum, then there will be interference between the
A Tip of the pinion and flank of gear
B Tip of the gear and flank of pinion
C Flanks of both gear and pinion
D Tip of both gear and pinion
The relation between the pitch of the chain (p) and pitch circle diameter of the sprocket (D) is given by (where T = Number of teeth on the sprocket)
A $${\text{p}} = {\text{D}}\sin \frac{{{{90}^ \circ }}}{{\text{T}}}$$
B $${\text{p}} = {\text{D}}\sin \frac{{{{120}^ \circ }}}{{\text{T}}}$$
C $${\text{p}} = {\text{D}}\sin \frac{{{{180}^ \circ }}}{{\text{T}}}$$
D $${\text{p}} = {\text{D}}\sin \frac{{{{360}^ \circ }}}{{\text{T}}}$$
The product of the diametral pitch and circular pitch is equal to
A 1
B 1/π
C π
D 2π

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