- $${\text{p}} = {\text{D}}\sin \frac{{{{90}^ \circ }}}{{\text{T}}}$$
- $${\text{p}} = {\text{D}}\sin \frac{{{{120}^ \circ }}}{{\text{T}}}$$
- $${\text{p}} = {\text{D}}\sin \frac{{{{180}^ \circ }}}{{\text{T}}}$$
- $${\text{p}} = {\text{D}}\sin \frac{{{{360}^ \circ }}}{{\text{T}}}$$
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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)?
Answer: Option 4 Let'
1 Answers 8 views
When bevel gears having equal teeth and equal pitch angles connect two shafts whose axes intersect at right angle, then they are known as?
Answer: Option 4 Let'
1 Answers 1 views
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?
Answer: Option 3 Let'
1 Answers 1 views
According to Unwin's formula, the relation between the diameter of rivet hole (d) and the thickness of plate (t) is given by (where d and t are in mm)?
Answer: Option 4 Let'
1 Answers 1 views
According to I.B.R., shearing resistance required to shear off the rivet per pitch length (in double shear) is (where n = Number of rivets per pitch length)?
Answer: Option 2 Let'
1 Answers 2 views
In designing a flange coupling, the pitch circle diameter of bolts is taken as (where d = Diameter of the shaft)?
Answer: Option 2 Let'
1 Answers 1 views
According to Unwin's formula, the relation between diameter of rivet hole (d) and thickness of plate (t) is given by (where d and t are in mm)?
Answer: Option 4 Let'
1 Answers 1 views
The pull required to tear off the plate per pitch length is (where p = Pitch of rivets, t = Thickness of plates and $${\sigma _{\text{t}}},\,\tau $$ and $${\sigma _{\text{c}}}$$ = Permissible tensile, shearing and crushing stresses respectively)?
Answer: Option 3 Let'
1 Answers 2 views
In a shell and tube heat exchanger having square pitch, the shell side equivalent diameter is given by (where, P = pitch, d = outside diameter of the tube)?
Answer: Option 1 Let'
1 Answers 4 views