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In a newly developed innovative idea brought up by CSIR in India, gas turbine exhaust gas are being utilized to convert feedwater into steam. Certain data of the experiment are as follows: mass flow rate of exhaust gas = 40 kg/hr, enthalpy of exhaust gas at the time of their exit from gas turbine is 600 kJ/kg, steam turbine output as measured by brake dynamometer = 60 hp-sec, thermal efficiency of steam power plant is 0.25, efficiency of exhaust gas in converting feedwater into steam is taken as 50%. Find the enthalpy of exhaust gas remaining after they generate steam from feedwater?
If the number of perfect square factors and perfect cube factors of 3000 is x and y respectively, then what is the ratio of the sum of total perfect square factors and the perfect cube factors to that of the total number of factors of 3000? Session Expired We will redirect you to login 1page in 5 secs. Please login again and resume your work
A perfect cube is an integer whose cube root is an integer. For example, 27, 64 and 125 are perfect cubes. If p and q are perfect cubes, which of the following will not necessarily be a perfect cube?
India's first gas exchange, the Indian Gas Exchange (IGX), was launched as a wholly owned subsidiary of Indian Energy Exchange. Which of the following statements are correct? 1. It is a digital trading platform that will allow buyers and sellers to trade both in the spot market and in the forward market for imported natural gas. 2. It will allow trade across three hubs - Dahej and Hazira in Gujarat and Kakinada in Andhra Pradesh. 3. Imported Liquified Natural Gas (LNG) will be regassified and sold to buyers through the exchange, removing the requirement for buyers and sellers to find each other. 4. Only inter-governmental trade in domestically produced natural gas is allowed at the gas exchange. Select the correct answer using the code given below:
Explosion limit of blast furnace gas is 37 to 71% gas in gas-air mixture. It means that the blast furnace gas will explode when burnt in a confined space, if its concentration in the gas-air mixture is __________ percent.
A and B are the largest two-digit co-prime numbers, whose digits are also co-prime to each other. If A + B is divided by 11, the remainder is r ? A. r2 is a perfect cube B. r + 1 is a perfect square C. r is a perfect cube D. r – 1 is a prime number
Consider the following statements: 1. When the number of members (n) and joints (j) are such that the equation n = (2j — 3) is satisfied, the framed structure is said to be a perfect structure. 2. In a redundant frame, the number of members is less than that required for a perfect frame. 3. If, in a framed structure, the number of members provided is more than that required for a perfect frame, it is called as a deficient frame. Which of the above statements is/are correct ? (a) (b) (c) (d) 
If 48 is added to a perfect square number, then another perfect square number is obtained. Find how many such pairs of perfect squares exists.
The rainfall in Jhunjhunu for the last two days was in the ratio of 2 : 3. The average rainfall for the first five days was recorded to be 0.83 cm. The average rainfall of all seven days was 0.80 cm. If n is the rainfall on the 7th day, which of the following is/are correct? A. n is a perfect square B. n/10 is a perfect cube C. n – 2 is a perfect square D. n = 8.7 mm
M is the smallest number that has exactly 15 factors. Which of the following is correct? A. M – 23 a perfect square B. Unit digit of M is 9 C. Sum of digits of M is a perfect square D. M is a perfect square