- Pitch circle diameter × cos$$\,\varphi $$
- Addendum circle diameter × cos$$\,\varphi $$
- Clearance circle diameter × cos$$\,\varphi $$
- Pitch circle diameter × sin$$\,\varphi $$
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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'
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The efficiency of a screw jack is maximum, when (where $$\alpha $$ = Helix angle and $$\varphi $$ = Angle of friction)?
Answer: Option 2 Let'
1 Answers 1 views
The efficiency of a screw jack is maximum, when (where $$\alpha $$ = Helix angle and $$\varphi $$ = Angle of friction.)?
Answer: Option 2 Let'
1 Answers 1 views
The maximum efficiency of spiral gears is (where $$\theta $$ = Shaft angle and $$\varphi $$ = Friction angle)?
Answer: Option 3 Let'
1 Answers 1 views
The dedendum circle diameter is equal to (where, $$\varphi $$ = Pressure angle)?
Answer: Option 1 Let'
1 Answers 6 views
In a screw jack, the effort required to lift the load W is given by (where $$\alpha $$ = Helix angle and $$\varphi $$ = Angle of friction)?
Answer: Option 2 Let'
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The efficiency of a square threaded screw is maximum if the helix angle is equal to(Where $$\varphi $$ = Angle of friction)?
Answer: Option 3 Let'
1 Answers 1 views
Efficiency of a screw jack is given by (where $$\alpha $$ = Helix angle and $$\varphi $$ = Angle of friction.)?
Answer: Option 2 Let'
1 Answers 1 views
Relative humidity is given by (where pv = Partial pressure of water vapour, pb = Barometric pressure, ps = Pressure of saturated air, pd = Pressure at dry bulb temperature, pw = Saturation pressure corresponding to wet bulb temperature, and μ = Degree of saturation)?
Answer: Option 2 Relative humidity is given by μ/[1 - (1 - μ) (Ps/Pb)] where pv = Partial pressure of water vapour, pb = Barometric pressure, ps = Pressure of saturated air, pd...
1 Answers 1 views