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A piston-cylinder device initially contains 0.4 m3 of air (to be treated as an ideal gas) at 100 kPa and 80 oC. The air is now isothermally compressed to 0.1 m3 . The work done during this process is ________ kJ. Gate-20160 AnswerA certain amount of an ideal gas is initially at a pressure P1 and temperature T1. First, it undergoes a constant pressure process 1-2 such that T2 = 3T1/4. Then, it undergoes a constant volume process 2-3 such that T3 = T1/2. The ratio of the final 1 AnswerA double acting hydraulic cylinder has a rod diameter equal to one - half the piston diameter. If the system pressure is maintained constant, t he ratio of load carrying capacity of extension stroke to that of retraction stroke is. GATE- Agricultur1 AnswerThe crank radius of a single–cylinder I. C. engine is 60mm and the diameter of the cylinder is 80mm. -gate-mechanical-20111 AnswerA student used a device (X) to obtain/focus the image of a well illuminated distant building on a screen ( S ) as shown below in the diagram. Select the correct statement about the device (X). CBSE- class10- Science 20151 Answer 5.6 liter of helium gas at STP is adiabatically compressed to 0.7 liter. Taking the initial temperature to be T1, the work done in the process is - jee main 2012 physics 1 AnswerStudy the given ray diagrams and select the correct statement from the following: CBSE- class10- Chemistry 20171 AnswerUse one of the following statements to complete the sentence: Democracy in the international organisations requires that cbse-class9-history-20161 AnswerIn SQL, relations can contain null values, and comparisons with null values are treated as unknown. GATE CSE 20001 AnswerA long-channel NMOS transistor is biased in the linear region with 𝑉𝐷𝑆=50 mV and is used as a resistance. Which one of the following statements is NOT correct? Gate-20161 AnswerWhich one of the following statements is correct about an ac-coupled common-emitter amplifier operating in the mid-band region? Gate-20161 AnswerThe contents of a well-insulated tank are heated by a resistor of 23Ω in which 10A current is flowing. -gate-mechanical-20111 AnswerShould decoupling capacitors should be tied from VCC on one device to ground on a different device? Explain.0 AnswerFill in the blank: GATE-Biotechnology-20171 AnswerA single acting reciprocating pump discharges 3.5 litres of water per second at 40 rpm. The pump has a piston diameter of 150 mm and a stroke of 300 mm. The percentage slip is GATE-Agricultural Engineering-Question-20120 Answer The radius of the base and the height of a solid right circular cylinder are in the ratio 2 : 3 and its volume is 1617 Cu. cm. Find the total surface area of the cylinder. CBSE Mathematics1 Answer The radius of the base and the height of a solid r ight circular cylinder are in the ratio 2 : 3 and its volume is 1617 Cu. cm. Find the total surface a rea of the cylinder. CBSE Mathematics1 AnswerCurved surface area of a right circular cylinder is 4.4m2. If the radius of the base of the cylinder is 0.7m, find its height. CBSE class 9 Mathematics0 AnswerThe value of true strain produced in compressing a cylinder to half its original length is Gate-20161 AnswerThe curved surface area of a right circular cylinder of height 14 cm is 88cm2. Find the diameter of the base of the cylinder. CBSE class 9 Mathematics1 Answer