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A box contains three types of rings. Four square rings, three circular rings and three hexagonal rings. 3 rings are drawn randomly. What is the probability that rings drawn contain 2 square rings?
____________ losses are caused due to the leakage of combustion products past the piston from the cylinder into the crankcase.
“What is the different between height and radius of solid cylinder?” Which of the following option is sufficient alone to find the answer? A) A solid cylinder is made by melting a solid sphere. The radius of cylinder is 3 times the radius of a circle whose area is 154 sq.m. Height of cylinder is equal to the height of cone whose volume is 2772 cubic meters. B) Area of a rectangle whose longer side is ¾ times the radius of a solid cylinder, is 168 sq.m and, Volume of solid cylinder is 2772 cubic meters and its height is 18 m. C) A metallic cone of radius 15m and height 35m is melted into the solid cylinder of radius equal to the radius of a circle whose area is equal to the area of rectangle whose sides are in the ratio 4 : 3 respectively. D) The curved surface area of the solid cylinder is 3 time the surface area of a sphere of radius 7m and height of cylinder is equal to the height of a metallic cone whose curved surface area is 308 sq.m. 
A has 2500 rings while B has 225 fewer rings than A. C has 1/5th of a total number of rings of A and B. Who has the least percentage of rings with respect to the total number of rings among all three and approximately how much?
Consider the following statements: Combustion chamber is 1. the volume between TDC and BDC during the combustion process 2. the space enclosed between the upper part of the cylinder and the top of the piston during the combustion process 3. the space enclosed between TDC and the top of the piston during the combustion process Which of the above statements is/are CORRECT?
In the following question below are given some statements followed by some conclusions. Taking the given statements to be true even if they seem to be at variance from commonly known facts, read all the conclusions and then decide which of the given conclusion logically follows the given statements. Statements: I. Some bangles are anklet. II. All anklet are rings. III. Some watches are bangles. Conclusions: I. All watches are rings. II. Some bangles are rings. III. All bangles are rings. IV. Some anklets are watches.
The diameters of a small piston and a large piston of a hydraulic jack are 45 mm and 100 mm respectively.Force of 0.09 kN applied on smaller in size piston. Find load lifted by piston if smaller in size piston is 40 cm above the large piston. The density of fluid is 850 kg/m3
If one cylinder of a diesel engine receives more fuel than the others, it is a serious condition for that cylinder and can be checked by 1. Judging the seizure of the piston 2. Checking incomplete combustion in that cylinder 3. Checking cylinder exhaust temperature with a pyrometer Which of the above is/are correct?
For a particular engine, the underside of the crankcase can be idealized as a flat plate measuring 80 cm by 20 cm. The engine runs at 80 km/hr and the crankcase is cooled by the air flowing past it at the same speed. Find loss of the heat from the crank case surface (t S = 25 degree Celsius). Assume the boundary layer to be turbulent
Which of the following statements is/are correct? 1. A system is said to be Finite Impulse Response (FIR), if the output samples of the system depend only on the present input and a finite number of past or previous input samples. 2. If the output of a system y(n) depends only on the present input and past inputs, but not on past outputs, then it is called a non-recursive system. 3. If the output of a system y(n) depends only on the present input and past inputs, but not on past outputs, then it is called a recursive system.