Related Questions

Radius of circle center 0 is 3 times the radius of circle center C. Angle ACB -A angle POQ. If the shaded are of circle C is 2 then what is the area of then shaded part of circleO?
ক 36
খ 9
গ 12
ঘ 18
If a gas metal arc process uses a low arc voltage and the arc is continuously interrupted as the molten electrode metal fills up the arc gap is known as
ক ARC
খ Short ARC
গ ARC length
ঘ ARC blow
ABCD is a square of side 10. AFC is an are of a circle with the center at D and radius 10. AGC is an are of a circle with the center at B and radius 10. Find the area of AFCG/
ক 50 -100pie
খ 25 -100 pie
গ 100-25 pie
ঘ 100-50pie
The length of an arc is 7π. If the diameter of the circle is 14, what is the degree of central angle by that arc?
ক 90°
খ 120°
গ 180°
ঘ 270°
In a circle with center 0, RS is arc of the circle and RS=132 degrees. How many degrees are there in angle RSO?
ক 66
খ 20
গ 22
ঘ 24
ABCD is a square of side 8 AFC is an are of a cricle with the center at D and radius 8 . AGC is an are of a circle with the center at B and radius 8. Find the area of AFCG.
ক 32 pie -32
খ 64 pie-64
গ 64-32pie
ঘ 32 pie - 64
The velocity of piston in a reciprocating steam engine is given by (where $$\omega $$ = Angular velocity of crank, r = Radius of crank pin circle, $$\theta $$ = Angle turned by crank from inner dead center and n = Ratio of length of connecting rod to the radius of crank)
ক $$\omega {\text{r}}\left( {\sin \theta + \frac{{\sin 2\theta }}{{\text{n}}}} \right)$$
খ $$\omega {\text{r}}\left( {\cos\theta + \frac{{\cos2\theta }}{{\text{n}}}} \right)$$
গ $${\omega ^2}{\text{r}}\left( {\sin \theta + \frac{{\sin 2\theta }}{{\text{n}}}} \right)$$
ঘ $${\omega ^2}{\text{r}}\left( {\cos\theta + \frac{{\cos2\theta }}{{\text{n}}}} \right)$$
In DC arc welding, if leads are arranged in work as Negative pole of the welding arc and electrode as Positive pole of the welding arc, the arrangement is known as
ক Fusion
খ Reverse polarity
গ Forward welding
ঘ Direct polarity
Find measure of central angle of the arc whose length is 22 cm and radius of the circle is 28 cm?
ক 60\u00b0
খ 45\u00b0
গ 75\u00b0
ঘ 90\u00b0
The radius of circle A is r, and the radius of circle B is 3/4r. What is the ratio of the area of circle A to the area of circle B?
ক 16 to 9
খ 9 to 16
গ 1 to 4
ঘ 4 to 3

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