The frictional torque transmitted in a flat pivot bearing, considering uniform pressure is

The frictional torque transmitted in a flat pivot bearing, considering uniform wear, is (where μ = Coefficient of friction, W = Load over the bearing and R = Radius of bearing surface)

ক

$$\frac{1}{2}$$μWR

খ

$$\frac{2}{3}$$μWR

গ

$$\frac{3}{4}$$μWR

ঘ

μWR

The frictional torque transmitted in a flat pivot bearing, assuming uniform wear, is (Where μ = Coefficient of friction, W = Load over the bearing, R = Radius of bearing)

ক

μWR

খ

$$\frac{3}{4}$$μWR

গ

$$\frac{2}{3}$$μWR

ঘ

$$\frac{1}{2}$$μWR

The frictional torque transmitted in a flat pivot bearing, assuming uniform wear, is
(Where μ = Coefficient of friction, W = Load over the bearing, R = Radius of bearing)

ক

μWR

খ

$$\frac{3}{4}$$μWR

গ

$$\frac{2}{3}$$μWR

ঘ

$$\frac{1}{2}$$μWR

The frictional torque transmitted in a flat pivot bearing, considering uniform pressure, is

ক

1/2 × μ.W. R

খ

2/3 × μ.W. R

গ

3/4 × μ.W. R

ঘ

μ.W.R

The frictional torque transmitted in a flat pivot bearing with assumption of uniform pressure is _________ as compared to uniform wear.

ক

Less

খ

More

গ

Same

ঘ

None of these

The frictional torque transmitted in a truncated conical pivot bearing, considering uniform pressure, is

ক

$$\frac{1}{2}\mu {\text{Wcosec}}\alpha \left( {{{\text{r}}_{\text{1}}} + {{\text{r}}_{\text{2}}}} \right)$$

খ

$$\frac{2}{3}\mu {\text{Wcosec}}\alpha \left( {{{\text{r}}_{\text{1}}} + {{\text{r}}_{\text{2}}}} \right)$$

গ

$$\frac{1}{2}\mu {\text{Wcosec}}\alpha \left( {\frac{{{\text{r}}_1^3 - {\text{r}}_2^3}}{{{\text{r}}_1^2 - {\text{r}}_2^2}}} \right)$$

ঘ

$$\frac{2}{3}\mu {\text{Wcosec}}\alpha \left( {\frac{{{\text{r}}_1^3 - {\text{r}}_2^3}}{{{\text{r}}_1^2 - {\text{r}}_2^2}}} \right)$$

The frictional torque transmitted in a conical pivot bearing, considering uniform pressure, is (where R = Radius of shaft and $$\alpha $$ = Semi-angle of the cone)

ক

$$\frac{1}{2}\mu {\text{WRcosec}}\alpha $$

খ

$$\frac{2}{3}\mu {\text{WRcosec}}\alpha $$

গ

$$\frac{3}{4}\mu {\text{WRcosec}}\alpha $$

ঘ

$$\mu {\text{WRcosec}}\alpha $$

The frictional torque transmitted in a conical pivot bearing with assumption of uniform pressure is __________ as compared to uniform wear.

ক

Less

খ

More

গ

Same

ঘ

None of these

The frictional torque transmitted in a conical pivot bearing, considering uniform wear, is

ক

1/2 × μ.W. R cosec α

খ

2/3 × μ.W. R cosec α

গ

3/4 × μ.W. R cosec α

ঘ

μ.W.R cosec α

The frictional torque transmitted in a truncated conical pivot bearing, considering uniform wear, is

ক

$$\frac{1}{2}\mu {\text{Wcosec}}\alpha \left( {{{\text{r}}_1} + {{\text{r}}_2}} \right)$$

খ

$$\frac{2}{3}\mu {\text{Wcosec}}\alpha \left( {{{\text{r}}_1} + {{\text{r}}_2}} \right)$$

গ

$$\frac{1}{2}\mu {\text{Wcosec}}\alpha \left( {\frac{{{\text{r}}_1^3 - {\text{r}}_2^3}}{{{\text{r}}_1^2 - {\text{r}}_2^2}}} \right)$$

ঘ

$$\frac{2}{3}\mu {\text{Wcosec}}\alpha \left( {\frac{{{\text{r}}_1^3 - {\text{r}}_2^3}}{{{\text{r}}_1^2 - {\text{r}}_2^2}}} \right)$$

The frictional torque transmitted in a flat pivot bearing, considering uniform pressure is

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