Description : If diameter of a wheel is 1.26 m, what the distance covered in 500 revolutions? (a) 1.38 km (b) 4.64 km (c) 2.46 km (d) 1.98 km
Last Answer : (d) 1.98 km
Description : While Lilo was playing with a toy tractor, she rolled it over an ink drop. The image on the right shows the ink drop and the marks on the floor left by tractor's wheels. The diameter of the back ... is the number of revolutions made by the front wheel between the ink drop and the last mark?
Last Answer : 6
Description : The diameter of a roller is 84 cm and its length is 120 cm. It takes 500 complete revolutions to move once over to level a playground. Find the area of the playground in m2. -Maths 9th
Last Answer : The roller is in the form of a cylinder of diameter = 84 cm ⇒ Radius of the roller(r) = 842 cm = 42 cm Length of the roller (h) = 120 cm Curved surface area of the ... roller = 31680 cm2 = 3168010000m2 ∴ Area of the playground levelled in 500 revolutions = 500 x 3168010000m2 = 1584m2
Description : The diameter of a roller is 84 cm and its length is 120 cm. It takes 500 complete revolutions to move once over to level a playground. Find the area of the playground in m2? -Maths 9th
Last Answer : A roller is shaped like a cylinder. Let h be the height of the roller and r be the radius. h = Length of roller = 120 cm Radius of the circular end of roller = r = (84/2) cm = 42 cm Now, CSA of roller = 2πrh = ... , we have 2 (22/7) 0.7 h = 4.4 Or h = 1 Therefore, the height of the cylinder is 1 m.
Description : How much distance (in cm) will the bicycle shown below travel, if the pedal makes 1.5 revolutions? (Assume π = 22/7).
Last Answer : 330
Description : How far behind the steering wheel should you sit to avoid injury from an inflated airbag? a) 8 inches b) 5 inches c) 10 inches d) 13 inches
Last Answer : c) 10 inches
Description : A grinding wheel rotates at 3000 rpm. When power supply is cut off the wheel stops in 5 sec. The number of revolutions made by the wheel before coming to rest would be a.500 b.107 dynes c.250 d.3000 e.1000
Last Answer : c. 250
Description : A grinding wheel rotates at 3000 rpm. When power supply is cut-off the wheel stops in 10 seconds. The number of revolutions made by the wheel before coming to rest would be a.1500 b.3000 c.1000 d.250 e.500
Last Answer : d. 250
Description : The torque of 50 Nm is applied on the wheel operating a valve. If the wheel is rotated through two revolutions, work done in Newton-metres is given by a.628 b.107 dynes c.314 d.25 e.100
Last Answer : a. 628
Description : A wheel accelerates from rest with an acceleration of 6 rad/sec2. How many revolutions are experienced in 4 seconds? a.12.36 b.25.6 c.9.82 d.107 dynes e.7.64
Last Answer : e. 7.64
Description : The diameter of a garden roller is 1.4 m and it is 2 m long. How much area will it level in 5 revolutions? -Maths 9th
Last Answer : Radius of a garden roller (r) = 1.4 / 2 = 0.7 m and length of the garden roller (h) = 2 m ∴ Curved surface area of garden roller = 2πrh . So, the area levelled of a garden roller in one revolution is 8.8 m2. Now, area levelled of a garden in 5 revolutions = 8.8 x 5= 44m2
Description : What is the critical rotation speed in revolutions per second, for a ball mill of 1.2 m diameter charged with 70 mm dia balls? (A) 0.5 (B) 1.0 (C) 2.76 (D) 0.66
Last Answer : (D) 0.66
Description : A screw jack has 4 threads per inch. The mean radius of the thread is 2.338 inches. The mean diameter of the bearing surface under the cap is 3.25 inches. What is the turning moment required to raise the bload of 150 kg ( a.5.61 kg-inch b.50.6 kg-inch c.107 dynes d.30.3 kg-inch e.23.6 kg-inch
Last Answer : b. 50.6 kg-inch
Description : How far will a 26 inch diameter bicycle tire travel each time it turns?
Last Answer : 81.7 inches
Description : what- how far does a point on a rolling pin travel after one complete revolution if the rolling pin has a radius of 3.8 centimeters?
Last Answer : about 23.9
Description : In a hydrogen atom, the electron makes about `0.6xx10^(16)` revolutions per second around the nucleus. Determine the average current at any point on t
Last Answer : In a hydrogen atom, the electron makes about `0.6xx10^(16)` revolutions per second around the nucleus. ... at any point on the orbit of the electron.
Description : What is the frequency of an alternator which has 2 poles and makes 3600 revolutions per minute? A) 3600 HZ B) 60 Hz C) 120 Hz D) None of these
Last Answer : What is the frequency of an alternator which has 2 poles and makes 3600 revolutions per minute? A) 3600 HZ B) 60 Hz C) 120 Hz D) None of these
Description : The disc of a single phase Induction-type energy meter makes 60 revolutions in 6 minutes. Meter Constant is 1200 rev/kWh. Power consumption in the load is (A) 1.2 kW (B) 1 kW (C) 600 W (D) 500 W
Last Answer : The disc of a single phase Induction-type energy meter makes 60 revolutions in 6 minutes. Meter Constant is 1200 rev/kWh. Power consumption in the load is 500 W
Description : One single-phase energy meter operating on 230 V and 5 A for 5 hours makes 1940 revolutions. Meter constant is 400 rev/kWh. The power factor of the load is
Last Answer : One single-phase energy meter operating on 230 V and 5 A for 5 hours makes 1940 revolutions. Meter constant is 400 rev/kWh. The power factor of the load is 0.8
Description : A meter whose constant is 600 revolutions/kWh makes 5 revolutions in 20 seconds. Calculate the load in kW. (1) 0.5 kW (2) 1 kW (3) 1.5 kW (4) 2 kW
Last Answer : 1.5 kW
Description : An energy meter has a constant of 600 rev/kWh. If the meter makes 10 revolutions in 20 s, what is the load in kW? (A) 0.75 kW (B) 1.5 kW (C) 3 kW (D) 6 kW
Description : Do you have AT LEAST ten inches of space between your body and your car's steering wheel?
Last Answer : I have about a foot, but I’m very tall for a girl. I needed leg room.. steering wheel space happened on it’s own.
Description : An old fashioned bike wheel has 21 spokes. How many spaces are between the spokes - 20, 21, or 22? -Riddles
Last Answer : 21
Description : Interior thickness of concrete road slab for design wheel load 6300 kg and permissible flexural stress 21 kg/cm2 , is (A) 17.0 cm (B) 25.5 cm (C) 34.0 cm (D) 42.5 cm
Last Answer : Answer: Option B
Description : Mike, Jack, and Jim were triplets. When they were ten a mysterious lady gave them each tickets and said they were time tickets good for a round trip to any time and place. Jim immediately used his ... time he goes back exactly 100 years back into the present. Who is the oldest sibling now? -Riddles
Last Answer : Mike, because he went 30 minutes from the past and let time catch up while the others traveled back to the present. Therefore he is older by 30 minutes.
Description : 35 km/hour for 30 minutes how far did you travel?
Last Answer : 1.1667
Description : I want to buy a monitor. It says 21 inches in the ad. How much is cm?
Last Answer : 21 x 2.54 = 53.34
Description : A sacale drawing of a living room has a scale of 1.75 inches to 1.5 feet. How long is a wall that measures 21 inches in the scale drawing?
Last Answer : 15
Description : In a single threaded worm and worm wheel the number of teeth on the worm wheel is 60. The diameter of the effort wheel is 12 cm and that of load drum is 8 cm. The velocity ratio will be a.90 b.120 c.60 d.45 e.107 dynes
Last Answer : a. 90
Description : In a single threaded worm and worm wheel the number of teeth on the worm wheel is 80. The diameter of the effort wheel is 12 cm and that of load drum is 8 cm. The velocity ratio will be a.60 b.45 c.120 d.107 dynes e.90
Last Answer : c. 120
Description : A wheel 8 mts in diameter coasts to rest from a speed of 800 rpm in 10 minutes. Its angular deceleration is a.308/min2 b.683 rad/min2 c.502 rad/min2 d.107 dynes e.809 rad/min2
Last Answer : c. 502 rad/min2
Description : What is the radius of a wheel with a diameter of 27.6?
Last Answer : The Radius of circle is half of its diameter .27.6/2=13.8
Description : Power requirement of fans having constant wheel diameter varies __________ fan speed. (A) As square of (B) Directly as (C) As cube of (D) None of these
Last Answer : (C) As cube of
Description : Star wheel diameter is in dry land weeder. a. 100 mm b. 110mm d. None of the above.
Last Answer : Ans - c. 120mm
Description : has a long handled tool and a 120 mm diameter star wheel a) Engine operated weeder b) Cono weeder for paddy c) Dry land weeder d) Sweep
Last Answer : Dry land weeder
Description : The ratio of wheel diameter to gauge is about a. 0. 40 b. 0.55 c. 0. 75* d. 0. 90
Last Answer : c. 0. 75*
Description : What are the missing colors to complete the 12 colors in color wheel?
Last Answer : I hate you
Description : In tractor engine the complete path of power from the engine to the wheel is called 1. Power train 2. Power wheel 3. Both 1 and 2 4. none of these
Last Answer : <!-- [endif] -->ans 1
Description : Dynamite is a tool that can be used to cut down trees. To cut a tree 18 inches in diameter requires five sticks of dynamite: one on the north, south, east and west sides of the tree, and the ... you instruct the diver to put the fifth stick of dynamite if you wanted the tree to fall north? -Riddles
Last Answer : It doesn't matter where the fifth stick is placed, since the tree won't fall in any direction. Being wood, it will float and rise to the surface.
Description : the diameter of a frisbee is 12 inches. what's the area of the frisbee? -General Knowledge
Last Answer : Area of a circle = pi x radius squared. Radius of a Frisbee of diameter 12 in. = 12/2 = 6 ins. Area of Frisbee = 3.14 x (6 x 6) = 3.14 x 36 = 113.04 sq in.
Description : What decking is an acceptable repair procedure for a flatbed trailer that has a hole in its wood deck about 2 inches in diameter?
Last Answer : What type of fire extinguishers are commercial vehiclestransporting ammunition
Description : How many cubic inches 3 inch diameter pipe 8 ft long?
Last Answer : how many cubic inches in a 3 inch diameter pipe 8 ft long
Description : What is the diameter if the circumference is 4.25 inches?
Last Answer : Diameter of circle: 4.25/pi = 1.353 inches rounded to 3 decimalplaces
Description : If The exact area of a circle is 81pi square inches what are the radius and diameter of the circle explain?
Last Answer : The radius is 9 inches because area of circle is pi*9 squared =81pi square inches and the diameter is twice the radius which is2*9 = 18 inches
Description : What is the Volume of a pipe .475 inches in diameter?
Last Answer : That would depend on its length which has not been given
Description : How many square inches in a 8 inch diameter circle?
Last Answer : Area = pi*42 = 50.265 square inches to 3 decimal places
Description : A snack bar sells popcorn and cone shaped containers. One container has a diameter of 8 inches and a height of 10 inches. How many cubic inches of popcorn does the container hold (Rounded to the nearest tenth)?
Last Answer : In coned shape containers*
Description : What is the area of a circle with a diameter of 49 inches?
Last Answer : Using 3.14 as Pi the area of circle is: 1884.785
Description : An automatic ice-cream scoop serves spherical helpings of ice cream. The scoop can be adjusted to serve helpings from 1 inch in diameter to 2 inches in diameter. If Tim orders a scoop with a 2-inch diameter, and if Paul wants only half as much ice cream?
Last Answer : THE ANSWER IS 2BECAUSE..... We have to use Tim's scoop radius to calculate his scoop volume, then divide it by 2 to find Paul's scoop volume and finally calculate its radius to get the diameter. Tim's scoop radius ... to write, 4/3*pi* radius cubed= 4/6*pi(i.e. Paul's scoop volume and the volume o