Related Questions

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
A worm gear is used as the pinion for the rack and pinion type of steering gearbox, because it
A Improves steering comfort when steering wheel is turned to effect small changes in the direction of forward motion
B Allows the steering wheel to be turned by a greater amount when steering
C Makes the steering more responsive
D Reduces the amount of kickback for large steering angles
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
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
If a purple fabric is on rack three and a brown fabric is on rack four , the green fabric must be on which of the following racks?
A Two
B Five
C Six
D Seven
Ten fabrics of different colors are displayed on ten racks in a cloth store. The racks are placed one after another and numbered consecutively from one to ten. Each rack contains fabric of a single color. One fabric is green , two fabrics are brown , three fabrics are purple and remaining four fabrics are red. If a purple fabric is on rack two and red fabrics are on racks three and four , the green fabric must be on which of the following racks?
A Five
B Six
C Seven
D Eight
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 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 $$\frac{{\left( {{\text{r}} + {\text{R}}} \right)\sin \varphi }}{2}$$

Next steps