Related Questions

If T is the actual number of teeth on a helical gear and $$\varphi $$ is the helix angle for the teeth, then formative number of teeth is written as
A $${\text{T}}{\sec ^3}\varphi $$
B $${\text{T}}{\sec ^2}\varphi $$
C $$\frac{{\text{T}}}{{{{\sec }^3}\varphi }}$$
D $${\text{Tcosec}}\varphi $$
When bevel gears having equal teeth and equal pitch angles connect two shafts whose axes intersect at right angle, then they are known as
A angular bevel gears
B crown bevel gears
C internal bevel gears
D mitre gears
If b denotes the face width and L denotes the cone distance for a bevel gear, then the bevel factor is written as
A $$\frac{{\text{b}}}{{\text{L}}}$$
B $$\frac{{\text{b}}}{{2{\text{L}}}}$$
C $$1 - 2{\text{bL}}$$
D $$1 - \frac{{\text{b}}}{{\text{L}}}$$
A certain dentist specializes in implanting gold and silver teeth in his patients mouths .He charges $ 650 for a gold tooth an $ 325. for a silver tooth. If his told fees for implanting gold and silver teeth last week were $ 15, 925 in total and he implanted five more gold teeth that silver teeth, how many teeth in total did he implant over the week?
A 33
B 32
C 31
D 34
The face angle of a bevel gear is equal to
A pitch angle – addendum angle
B pitch angle + addendum angle
C pitch angle – dedendum angle
D pitch angle + dedendum angle
The root angle of a bevel gear is equal to
A pitch angle – addendum angle
B pitch angle + addendum angle
C pitch angle – dedendum angle
D pitch angle + dedendum angle
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
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 $${\text{p}} = {\text{D}}\sin \frac{{{{360}^ \circ }}}{{\text{T}}}$$
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
Which one of the following statement correctly describes the construction of a bevel gear type differential?
A The drive shafts are splined to the differential carrier.
B The left side gear and the differential carrier rotate in constant unison.
C The differential carrier houses differential pinion gears and side gears; each pinion gear meshes with a different side gear.
D The differential carrier houses differential pinion gears and side gears.

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